{"id":38140,"date":"2026-05-11T10:56:11","date_gmt":"2026-05-11T08:56:11","guid":{"rendered":"https:\/\/uku.eu\/?p=38140"},"modified":"2026-05-13T20:06:06","modified_gmt":"2026-05-13T18:06:06","slug":"best-finishing-materials","status":"publish","type":"post","link":"https:\/\/uku.eu\/en\/best-finishing-materials\/","title":{"rendered":"What Are the Best Natural Finishing Materials for Walls and Interiors?"},"content":{"rendered":"\n<p>Natural finishing materials are increasingly chosen in both modern and heritage projects for their performance, aesthetic quality, and contribution to healthier indoor environments. From <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-decorative-plaster\/\">clay plaster<\/a> and <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-stucco\/\">stucco<\/a> to <a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-paint\/\">limewash<\/a> and <a href=\"https:\/\/uku.eu\/en\/lime-products\/grassello\/\">lime grassello<\/a>, these materials offer breathable wall systems that regulate humidity, enhance comfort and create timeless, tactile surfaces that evolve naturally with light and use.<\/p>\n\n\n\n<p>Unlike conventional coatings, natural finishes are not designed to mask the wall, but <a href=\"https:\/\/www.bhg.com\/eco-friendly-wall-finishes-8584394\">to work in harmony<\/a> with it. The result is a surface that feels alive \u2013 responsive to its environment, grounded in the honesty of pure materials, and capable of delivering both visual depth and long-term performance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Are Natural Finishing Materials?<\/h2>\n\n\n\n<p>In essence, natural finishing materials are wall coatings and surface treatments made from mineral or earth-based ingredients such as <a href=\"https:\/\/uku.eu\/en\/clay-products\/\">clay<\/a>, <a href=\"https:\/\/uku.eu\/en\/lime-products\/\">lime<\/a>, sand, and natural <a href=\"https:\/\/uku.eu\/en\/pigments\/\">pigments<\/a>. Rather than relying on synthetic binders or plastic-based additives, these materials are composed of elements that have been used and trusted in traditional construction methods for centuries.<\/p>\n\n\n\n<p>Their <a href=\"https:\/\/www.designingbuildings.co.uk\/wiki\/Natural_materials\">defining characteristic<\/a> is how they interact with the building fabric. Instead of forming a sealed barrier, natural finishes remain open and breathable, <a href=\"https:\/\/uku.eu\/en\/5-reasons-to-prefer-natural-interior-materials-for-your-home\/\">allowing moisture to move through<\/a> the wall structure. This supports the long-term health of the building while also contributing to a more stable, calm, and comfortable indoor climate.<\/p>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: true, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-1&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-1-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-1\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">100% Natural vs Conventional Wall Finishes<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-1\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-1-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>Conventional wall finishes typically form a closed film over the surface. While this can create a uniform appearance, it also prevents the natural movement of moisture, which can lead to condensation, trapped humidity and, over time, deterioration of the substrate.<\/p>\n\n\n\n<p>In contrast, 100% natural wall finishes (such as <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-marmorino\/\">clay marmorino<\/a> and <a href=\"https:\/\/uku.eu\/en\/lime-products\/marble-lime-plaster\/\">marble lime plaster<\/a>) are vapour permeable. They absorb and release moisture as conditions change, helping to regulate humidity levels within the space. This natural buffering effect reduces the risk of mould and contributes to a more balanced indoor environment.<\/p>\n\n\n\n<p>Beyond breathability, there is also a clear difference in material composition. Natural finishes are <a href=\"https:\/\/coatings.org.uk\/page\/DemystifyingEcoPaints\">free from synthetic resins<\/a>, solvents and harmful emissions. Many systems, including those developed by UKU, are M1-certified, meaning they meet strict standards for indoor air quality. This makes them particularly suitable for residential interiors like <a href=\"https:\/\/uku.eu\/en\/gallery\/villa-in-kiuma\/\">Kikka Villa<\/a>, health and wellness-focused spaces like <a href=\"https:\/\/uku.eu\/en\/gallery\/city-clinics\/\">City Clinics Dental Clinic<\/a> in Tallinn, and other projects where material health is a priority.<\/p>\n\n\n\n<p>Looking past performance levels, there is an aesthetic distinction, too. Natural finishes introduce subtle variation, depth, and softness that <a href=\"https:\/\/building-material-scout.com\/en\/sustainable-building\/product-labels\/m1\/\">cannot be replicated<\/a> with standard coatings. For example, light interacts differently with mineral surfaces, creating a more dynamic and refined visual experience.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/uku.eu\/en\/contact\/\">Request a quote<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Explained: The Main Types of Natural Wall Finishes<\/h2>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: true, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-2&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-2-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-2\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Clay Plaster Finishes<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-2\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-2-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>Clay is one of the most widely used natural finishing materials for interior walls. There are a number of styles and textures available, including:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-stucco\/\">Clay stucco<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-marmorino\/\">Clay marmorino&nbsp;<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-decorative-plaster\/\">Clay decorative plaster<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-finishing-plaster\/\">Clay rustic finishing plaster<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/uku.eu\/en\/clay-products\/pure-earth-krohv\/\">Pure earth plaster<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-base-coat\/\">Hemp-clay plaster<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-bonding-mix\/\">Clay adhesive mix<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/uku.eu\/en\/clay-products\/ukunaks-02\/\">UKUNAKS universal clay plaster<\/a><\/li>\n<\/ul>\n\n\n\n<p>Typically composed of clay, sand and fibres, clay plaster finishes create a soft, matte surface that feels both grounded and refined. Its texture can range from smooth and minimal to more expressive, depending on the application technique.<\/p>\n\n\n\n<p>One of the <a href=\"https:\/\/www.buildingconservation.com\/articles\/clayplaster\/clayplaster.htm\">key advantages<\/a> of clay plaster walls is their ability to regulate indoor humidity. The material absorbs excess moisture when levels rise and releases it when the air becomes dry \u2013 helping to stabilise the internal climate without mechanical intervention. In turn, this contributes to a more comfortable and healthier living environment.<\/p>\n\n\n\n<p>From a design perspective, clay plaster offers considerable flexibility. Finishes such as <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-decorative-plaster\/\">clay decorative plaster<\/a> or <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-finishing-plaster\/\">rustic finishing plaster<\/a> allow for a wide range of visual outcomes, from contemporary surfaces with subtle movement to more traditional, hand-applied textures. This makes clay plaster suitable for both modern interiors and heritage projects where material authenticity is important.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-3&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-3-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-3\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Lime Plaster Systems<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-3\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-3-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>Lime has an incredibly long history in construction and remains a fundamental material in both restoration and new-build architecture. <a href=\"https:\/\/www.homebuilding.co.uk\/advice\/lime-plaster\">Its strength<\/a> lies in its durability, breathability and compatibility with traditional building substrates such as stone and brick. Additionally, <a href=\"https:\/\/uku.eu\/en\/lime-products\/\">lime plaster<\/a> is highly versatile. Just some options include:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-marmorino\/\">Lime marmorino<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-filler\/\">Lime decorative putty<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/uku.eu\/en\/lime-products\/marble-lime-plaster\/\">Marble lime plaster<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/uku.eu\/en\/lime-products\/grassello\/\">Lime grassello<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-finishing-plaster\/\">Lime rustic finishing plaster<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-base-coat\/\">UKUNAKS base coat<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/uku.eu\/en\/lime-products\/nhl-lime-plaster\/\">NHL lime plaster&nbsp;<\/a><\/li>\n<\/ul>\n\n\n\n<p>Unlike <a href=\"https:\/\/uku.eu\/en\/clay-products\/\">clay plaster<\/a>, lime plaster undergoes a chemical process known as carbonation, where it gradually hardens over time by reacting with carbon dioxide in the air. This results in a robust and long-lasting finish that can withstand environmental exposure, making it suitable for both interior and exterior applications.<\/p>\n\n\n\n<p>Lime plaster systems are particularly effective on facades (as seen on the beautifully-restored <a href=\"https:\/\/uku.eu\/en\/mooste-manor-pink\/\">Mooste Manor<\/a>), where they provide a protective yet breathable layer that allows moisture to escape while shielding the structure from weathering. Lime plaster is widely used in heritage conservation, where maintaining the integrity of the original building fabric is essential.<\/p>\n\n\n\n<p>Visually, lime plaster offers a refined mineral finish with subtle tonal variation. It can be used as a standalone surface or as a base for additional finishes such as <a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-paint\/\">limewash<\/a>, creating layered, depth-rich wall systems.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-4&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-4-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-4\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Natural Paints and Coatings (Clay Paint, Limewash)<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-4\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-4-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>Lime has an incredibly long history in construction and remains a fundamental material in both restoration and new-build architecture. Its <a href=\"https:\/\/www.homebuilding.co.uk\/advice\/lime-plaster\">strength<\/a> lies iNatural paints and coatings <a href=\"https:\/\/www.forbes.com\/sites\/sherikoones\/2019\/10\/29\/natural-plaster-walls-as-an-efficient-healthy-and-comfortable-alternative\/\">extend the principles<\/a> of breathable construction into the finishing layer. Unlike conventional paints that form a plastic-like skin, <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-paint\/\">clay paint<\/a> and <a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-paint\/\">limewash<\/a> remain permeable, allowing the wall to continue functioning as part of a breathable system.<\/p>\n\n\n\n<p>Typically, <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-paint\/\">clay paint<\/a> is used for interior applications, offering a velvety matte finish and a palette of natural, earth-toned colours. It enhances the surface without overpowering it, allowing the underlying material to remain visually present. This makes it particularly suited to spaces where a calm, understated aesthetic is desired.<\/p>\n\n\n\n<p>Limewash, or <a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-paint\/\">lime paint<\/a>, is more versatile in terms of application. Suitable for both interior and exterior surfaces, it creates a distinctive matte finish with a soft, cloudy effect. This variation is not a flaw, but a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Whitewash\">defining characteristic<\/a>, reflecting the hand-applied nature of the material and the interaction between <a href=\"https:\/\/uku.eu\/en\/pigments\/\">pigment<\/a> and substrate.<br>Both <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-paint\/\">clay paint<\/a> and <a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-paint\/\">limewash<\/a> can be used in conjunction with plaster systems to create a cohesive, breathable wall assembly. When specified and applied correctly, they contribute to a finish that is visually refined and technically sound.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Key Benefits of Breathable and Eco Wall Finishes<\/h2>\n\n\n\n<p>The primary advantage of natural finishing materials lies in their <strong>breathability.<\/strong> By allowing water vapour to pass through the surface, these materials help regulate humidity within the building. This reduces the risk of condensation and prevents the conditions that lead to mould growth.<\/p>\n\n\n\n<p>This moisture regulation has a direct impact on <strong>indoor comfort:<\/strong> spaces finished with natural and breathable wall materials tend to feel more stable, with fewer fluctuations in humidity and temperature. The result is an environment that supports physical wellbeing as well as long-term building performance.<\/p>\n\n\n\n<p>In addition to moisture control, natural wall finishes contribute to improved indoor <strong>air quality.<\/strong> Free from VOCs and synthetic additives, they do not release harmful substances into the air. UKU products, for example, are developed using 100% natural ingredients and are M1-certified, ensuring they meet rigorous standards for health and safety.<\/p>\n\n\n\n<p>There is also a <strong>sustainability<\/strong> dimension. Natural building materials are <a href=\"https:\/\/www.extendarchitecture.co.uk\/post\/the-benefits-of-using-natural-building-materials-for-your-new-extension\">typically produced<\/a> with lower environmental impact, and can be repaired or renewed over time rather than replaced. This greatly extends the lifespan of the finish and reduces waste, making them a considered, thoughtful choice for long-term projects.<\/p>\n\n\n\n<figure class=\"wp-block-gallery alignfull has-nested-images columns-4 is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"563\" height=\"893\" data-id=\"37885\" src=\"https:\/\/uku.eu\/wp-content\/uploads\/2026\/05\/Taiwan-studio-lubivarv-11-e1778134194278.jpg\" alt=\"\" class=\"wp-image-37885\" style=\"aspect-ratio:3\/2\" srcset=\"https:\/\/uku.eu\/wp-content\/uploads\/2026\/05\/Taiwan-studio-lubivarv-11-e1778134194278.jpg 563w, https:\/\/uku.eu\/wp-content\/uploads\/2026\/05\/Taiwan-studio-lubivarv-11-e1778134194278-189x300.jpg 189w\" sizes=\"(max-width: 563px) 100vw, 563px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"409\" height=\"614\" data-id=\"37685\" src=\"https:\/\/uku.eu\/wp-content\/uploads\/2026\/05\/5.jpg\" alt=\"\" class=\"wp-image-37685\" style=\"aspect-ratio:3\/2\" srcset=\"https:\/\/uku.eu\/wp-content\/uploads\/2026\/05\/5.jpg 409w, https:\/\/uku.eu\/wp-content\/uploads\/2026\/05\/5-200x300.jpg 200w\" sizes=\"(max-width: 409px) 100vw, 409px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"683\" height=\"1024\" data-id=\"31271\" src=\"https:\/\/uku.eu\/wp-content\/uploads\/2025\/08\/011-683x1024.jpg\" alt=\"\" class=\"wp-image-31271\" style=\"aspect-ratio:3\/2\" srcset=\"https:\/\/uku.eu\/wp-content\/uploads\/2025\/08\/011-683x1024.jpg 683w, https:\/\/uku.eu\/wp-content\/uploads\/2025\/08\/011-200x300.jpg 200w, https:\/\/uku.eu\/wp-content\/uploads\/2025\/08\/011-768x1152.jpg 768w, https:\/\/uku.eu\/wp-content\/uploads\/2025\/08\/011-1024x1536.jpg 1024w, https:\/\/uku.eu\/wp-content\/uploads\/2025\/08\/011.jpg 1280w\" sizes=\"(max-width: 683px) 100vw, 683px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"630\" data-id=\"37998\" src=\"https:\/\/uku.eu\/wp-content\/uploads\/2026\/05\/Epix_Karlin_Finish-11_ve_velke_velikosti.jpg.webp\" alt=\"\" class=\"wp-image-37998\" style=\"aspect-ratio:3\/2\" srcset=\"https:\/\/uku.eu\/wp-content\/uploads\/2026\/05\/Epix_Karlin_Finish-11_ve_velke_velikosti.jpg.webp 600w, https:\/\/uku.eu\/wp-content\/uploads\/2026\/05\/Epix_Karlin_Finish-11_ve_velke_velikosti.jpg-286x300.webp 286w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/figure>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: true, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">How to Choose the Best Natural Finish for Your Project<\/h2>\n\n\n\n<p>Selecting the right natural finish requires an understanding of both the technical and aesthetic requirements of the project. Factors such as:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The location of the surface;<\/li>\n\n\n\n<li>The type of substrate; and<\/li>\n\n\n\n<li>The desired visual outcome,&nbsp;<\/li>\n<\/ul>\n\n\n\n<p>all play a role in determining the most appropriate material.<\/p>\n\n\n\n<p>For interior spaces, clay-based finishes are often preferred due to their softness and strong moisture-regulating properties. As in this <a href=\"https:\/\/uku.eu\/en\/gallery\/clay-plaster-and-mhm-panels-in-tallinn\/\">contemporary architectural concept<\/a> in Tallinn, they create a calm, tactile environment that enhances the overall feel of the space.&nbsp;<\/p>\n\n\n\n<p>Meanwhile, for exterior applications, lime-based systems are generally more suitable due to their durability and resistance to environmental exposure. This can be seen in this ambitious and visually stunning <a href=\"https:\/\/uku.eu\/en\/marmorino-and-marmor-lime-plaster-in-the-arabian-desert\/\">project in the Arabian desert<\/a>, where a flexible plaster system is capable of withstanding the region\u2019s intense heat levels.&nbsp;<\/p>\n\n\n\n<p>It is also important to consider how the material will be applied. Natural finishes rely on correct preparation and skilled application to perform effectively. Working with experienced <a href=\"https:\/\/uku.eu\/en\/masters\/applicators\/\">applicators<\/a> or consulting with material specialists can help ensure that the chosen system is implemented correctly.<\/p>\n\n\n\n<p>Ultimately, the best natural wall finish is <a href=\"https:\/\/www.idealwork.com\/innovative-walls-natural-materials-for-interior-restyling\/\">one that responds<\/a> to both the functional demands of the building and the intended design language, creating a coherent and lasting result.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/uku.eu\/en\/contact\/\">Request a quote<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Natural Finishing Materials for Interior vs Exterior Use<\/h2>\n\n\n\n<p>While natural materials share common principles, their application differs depending on whether they are used indoors or outdoors.<\/p>\n\n\n\n<p>Interior finishes tend to prioritise comfort, air quality, and surface expression. Clay plaster (including <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-stucco\/\">clay stucco<\/a>, <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-marmorino\/\">clay marmorino<\/a>, <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-decorative-plaster\/\">clay decorative plaster<\/a>, <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-finishing-plaster\/\">rustic finishing plaster<\/a>, and <a href=\"https:\/\/uku.eu\/en\/clay-products\/pure-earth-krohv\/\">pure earth plaster<\/a>) and natural <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-paint\/\">clay paints<\/a> are particularly well suited to these environments, offering breathable, visually rich surfaces that respond subtly to light and use.<\/p>\n\n\n\n<p>Exterior finishes, on the other hand, must withstand weather, temperature changes and environmental exposure. Lime-based materials (including <a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-marmorino\/\">lime marmorino<\/a>, <a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-filler\/\">lime decorative putty<\/a>, <a href=\"https:\/\/uku.eu\/en\/lime-products\/marble-lime-plaster\/\">marble lime plaster<\/a>, <a href=\"https:\/\/uku.eu\/en\/lime-products\/grassello\/\">lime grassello<\/a>, <a href=\"https:\/\/uku.eu\/en\/lime-products\/nhl-lime-plaster\/\">NHL lime plaster<\/a>, and <a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-paint\/\">limewash paint<\/a>) are specifically suited to these conditions. They provide a protective yet breathable layer that works in harmony with traditional building materials.<\/p>\n\n\n\n<p>By selecting the appropriate system for each environment, it becomes possible to maintain consistency in both performance and appearance, creating a seamless transition between interior and exterior spaces.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Best Natural Finishing Materials: FAQs<\/h2>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: true, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-6&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-6-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-6\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">What are the best natural wall finishes?<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-6\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-6-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>The best natural wall finishes include <a href=\"https:\/\/uku.eu\/en\/clay-products\/\">clay plaster<\/a>, <a href=\"https:\/\/uku.eu\/en\/lime-products\/\">lime plaster<\/a> and mineral-based paints such as <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-paint\/\">clay paint<\/a> and <a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-paint\/\">limewash<\/a>. Each offers breathable performance and a distinct aesthetic. The most suitable option depends on the location, substrate, and desired finish \u2013 but all contribute to healthier, more durable wall systems.<\/p>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-7&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-7-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-7\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">What is the difference between clay plaster and lime plaster?<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-7\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-7-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p><a href=\"https:\/\/uku.eu\/en\/clay-products\/\">Clay plaster<\/a> is typically used for interior applications and is valued for its softness and humidity-regulating properties. <a href=\"https:\/\/uku.eu\/en\/lime-products\/\">Lime plaster<\/a> is more durable and suitable for both interior and exterior use, particularly on facades. The choice depends on the performance requirements and exposure conditions of the surface.<\/p>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-8&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-8-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-8\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Are natural finishing materials better than conventional options?<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-8\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-8-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>Natural finishing materials offer <a href=\"https:\/\/medium.com\/@the_kap_designs\/ultimate-guide-to-wall-finishes-types-benefits-and-expert-tips-baca24899e65\">clear advantages<\/a> in terms of breathability, indoor air quality and long-term compatibility with the building structure. While conventional finishes may provide a more uniform appearance, natural materials create more resilient and healthier environments over time.<\/p>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-9&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-9-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-9\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Which natural finish is best for interior walls?<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-9\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-9-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>For interior walls, <a href=\"https:\/\/uku.eu\/en\/clay-products\/\">clay plaster<\/a> solutions (including <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-stucco\/\">clay stucco<\/a>, <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-marmorino\/\">clay marmorino<\/a>, <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-finishing-plaster\/\">clay rustic finishing plaster<\/a>, <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-base-coat\/\">hemp-clay plaster<\/a>, and <a href=\"https:\/\/uku.eu\/en\/clay-products\/ukunaks-02\/\">UKUNAKS universal clay plaster<\/a>), alongside <a href=\"https:\/\/uku.eu\/en\/clay-products\/clay-paint\/\">clay paint<\/a>, are often the preferred choices. They provide a soft, matte finish and help regulate humidity, creating a comfortable and stable indoor environment. The final selection depends on the desired texture and level of refinement.<\/p>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-10&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-10-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-10\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Are natural materials suitable for bathrooms and kitchens?<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-10\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-10-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>Yes \u2013 natural materials can be used in bathrooms and kitchens when the correct system is selected. <a href=\"https:\/\/uku.eu\/en\/lime-products\/\">Lime-based finishes<\/a> such as <a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-marmorino\/\">lime marmorino<\/a>, <a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-filler\/\">lime decorative putty<\/a>, <a href=\"https:\/\/uku.eu\/en\/lime-products\/marble-lime-plaster\/\">marble lime plaster<\/a>, <a href=\"https:\/\/uku.eu\/en\/lime-products\/grassello\/\">lime grassello<\/a>, and <a href=\"https:\/\/uku.eu\/en\/lime-products\/lime-finishing-plaster\/\">lime rustic finishing plaster<\/a> are particularly suitable for moisture-prone areas due to their durability and vapour permeability. <a href=\"https:\/\/uku.eu\/en\/clay-products\/\">Clay finishes<\/a> can also be used in well-ventilated spaces where moisture levels are controlled.<\/p>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-11&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-11-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-11\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">How much do natural wall finishes cost?<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-11\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-11-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>The cost of natural wall finishes varies depending on the material, surface condition and level of craftsmanship required. While the initial investment may seem higher than conventional finishes, natural materials offer <a href=\"https:\/\/www.neverpaintagain.co.uk\/blog\/wall-coatings-more-than-a-lick-of-paint\/\">long-term value<\/a> through their durability, repairability, visual effect, and improved indoor performance.<\/p>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/uku.eu\/en\/contact\/\">Request a quote<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Natural finishing materials are increasingly chosen in both modern and heritage projects for their performance, aesthetic quality, and contribution to healthier indoor environments. From clay plaster and stucco to limewash and lime grassello, these materials offer breathable wall systems that regulate humidity, enhance comfort and create timeless, tactile surfaces that evolve naturally with light and [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":34445,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[73],"tags":[],"class_list":["post-38140","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-finishing","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Best Natural Finishing Materials for Walls and Interiors | UKU<\/title>\n<meta name=\"description\" content=\"Explore the best natural finishing materials for walls, including clay plaster, lime plaster and mineral paints. Compare options for breathable, high-quality interiors.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uku.eu\/en\/best-finishing-materials\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Best Natural Finishing Materials for Walls and Interiors | UKU\" \/>\n<meta property=\"og:description\" content=\"Explore the best natural finishing materials for walls, including clay plaster, lime plaster and mineral paints. Compare options for breathable, high-quality interiors.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/uku.eu\/en\/best-finishing-materials\/\" \/>\n<meta property=\"og:site_name\" content=\"Uku.eu\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Saviukumaja\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-11T08:56:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-13T18:06:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/uku.eu\/wp-content\/uploads\/2025\/11\/soome-hall-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Vallo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Vallo\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/uku.eu\/en\/best-finishing-materials\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/uku.eu\/en\/best-finishing-materials\/\"},\"author\":{\"name\":\"Vallo\",\"@id\":\"https:\/\/uku.eu\/#\/schema\/person\/a82cf5c1078b6bbc3e09fd331351b146\"},\"headline\":\"What Are the Best Natural Finishing Materials for Walls and Interiors?\",\"datePublished\":\"2026-05-11T08:56:11+00:00\",\"dateModified\":\"2026-05-13T18:06:06+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/uku.eu\/en\/best-finishing-materials\/\"},\"wordCount\":1981,\"publisher\":{\"@id\":\"https:\/\/uku.eu\/#organization\"},\"image\":{\"@id\":\"https:\/\/uku.eu\/en\/best-finishing-materials\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/uku.eu\/wp-content\/uploads\/2025\/11\/soome-hall-1.jpg\",\"articleSection\":[\"Finishing\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/uku.eu\/en\/best-finishing-materials\/\",\"url\":\"https:\/\/uku.eu\/en\/best-finishing-materials\/\",\"name\":\"Best Natural Finishing Materials for Walls and Interiors | UKU\",\"isPartOf\":{\"@id\":\"https:\/\/uku.eu\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/uku.eu\/en\/best-finishing-materials\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/uku.eu\/en\/best-finishing-materials\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/uku.eu\/wp-content\/uploads\/2025\/11\/soome-hall-1.jpg\",\"datePublished\":\"2026-05-11T08:56:11+00:00\",\"dateModified\":\"2026-05-13T18:06:06+00:00\",\"description\":\"Explore the best natural finishing materials for walls, including clay plaster, lime plaster and mineral paints. 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