Professional Clay & Lime Finishing Systems
Comprehensive specification support, verified performance data, and certified installation teams.
TRUST & PERFORMANCE
Years of Experience
Countries
m² Applied
Professional Trainings
- No Chemicals or Toxins
- Recyclable & Compostable
- Interior & Exterior Use
WHY PROFESSIONALS CHOOSE UKU
01 Certified & Documented for Professional Specification
All UKU plaster systems are fully certified and tested according to European standards. Comprehensive technical documentation, verified EPDs (Environmental Product Declarations), and M1 emission classifications ensure smooth approval for specifiers in professional projects, public tenders, and environmentally regulated builds — while providing applicators with clear, reliable installation guidance.
02 Precisely Mixed by Weight for Consistent Quality
UKU materials are manufactured using controlled weight-based mixing ratios and quality systems to ensure consistent results across batches, colors, and large volumes. For specifiers, this means predictable outcomes in large-scale projects. For applicators, it means reliable workability, drying times, and finish quality on every job — every single time.
03 Engineered for Real-World Performance
UKU clay and lime systems are designed to meet contemporary construction requirements — from historic restoration to new-build commercial and residential architecture. Our materials perform reliably in diverse climates and construction assemblies, supporting both design intent and craftsman execution.
04 Eco-Certified with Quantified Performance
Sustainability at UKU is verified. Our products demonstrate strong environmental performance through third-party EPDs (Environmental Product Declarations), low embodied carbon, and minimal production footprint — supporting ESG targets and green certifications for specifiers, while ensuring safe, healthy working conditions for applicators.
05 Technical Support Throughout Project Lifecycle
UKU supports both design and execution teams. We consult architects and engineers on specification guidance and detailing, while providing applicators with certified training programs, on-site support, and hands-on troubleshooting. Our partner certification system ensures quality execution and reduces project risk.
06 Trusted by Professionals Worldwide
UKU materials are specified by architects, engineers, and designers — and installed by skilled craftsmen and contractors — in over 40 countries including Denmark, the UK, Norway, Sweden, Estonia, Lithuania, Singapore, Hong Kong, Qatar, and beyond. From private residences to public and commercial buildings, UKU is the choice of professionals who demand quality.
CERTIFICATIONS & STANDARDS
WHY PROFESSIONALS CHOOSE UKU
Professional-grade natural finishing materials for sustainable architecture.
NATURAL CLAY PLASTERS & PAINTS
Warm, breathable clay finishing systems for interior applications. Exceptional humidity regulation, natural air purification, and rich earthy textures.
PROFESSIONAL LIME FINISHES
Versatile lime systems from structural plasters to polished finishes. Multiple finish options for interior and exterior applications.
COMPLETE CONSTRUCTION RANGE
Comprehensive selection of natural building materials including boards, panels, reed systems, primers, reinforcement meshes, and installation accessories.
CUSTOM SOLUTIONS
UKU develops custom material formulations tailored to specific project requirements, climate conditions, and performance criteria. We provide complimentary material samples for specification testing and applicator trials.
Project-specific material development for unique architectural requirements, regional standards, or extreme environmental conditions.
Complimentary sample materials for specification review, mockup testing, or on-site application trials. Available for all product ranges.
CASE STUDIES
From 9,000 m² commercial builds in desert heat to Nordic institutional projects — demonstrating technical capability, climate adaptability, and scalable delivery across challenging environments.
GLOBAL CAPABILITIES
Local Expertise.
Localized plaster systems using regional raw materials — Norra, Rootsi, Bali, Austraalia, Afrika.
Includes: Material development, production setup support, climate adaptation.
Certified training for contractors and builders — Hong Kong, Estonia, UK, Nordic countries.
Includes: Hands-on workshops, technical documentation, installer certification.
Material research and sourcing — from quarry to application
POSITIONING
UKU combines the authenticity of natural materials with the reliability, documentation, and consistency required for professional architecture and construction.
- Natural materials & aesthetic
- Lower environmental impact
- Health-safe indoors (M1)
- EPD-verified sustainability
- Certified & documented
- Batch-consistent quality
- Scalable for large projects
- Regulatory compliance
- Industrial reliability
- Professional logistics
- Technical support team
- Predictable supply chain
UKU delivers all benefits: natural & certified, sustainable & scalable, beautiful & reliable—without compromise.
TECHNICAL RESOURCES
Access technical data, certifications, and specification resources.
Third-party verified EPDs demonstrating quantified environmental performance.
EPD: Clay Plaster Range (EN 15804)
EPD: Lime Finishing Systems
EPD: Natural Paint Series
Need other documentation?
Comprehensive testing for indoor air quality, emissions, and moisture management.
Need other documentation?
Fire resistance testing and classification for clay plaster systems according to European standards.
Need other documentation?
Technical performance assessment of surface durability, material stability, and moisture adsorption.
Need other documentation?
Detailed guidance for contractors and applicators. UKU offers certified training programs for installers and craftsmen to ensure quality execution.
Need other documentation?
Natural, Eco-Friendly Plaster Systems for Professionals
What makes UKU a trusted plaster supplier for professional projects?
UKU operates as a fully-fledged manufacturer of eco-friendly natural finishing materials, offering wholesale solutions for B2B clients across Europe. Unlike resellers, we develop and produce our clay and lime-based plasters, paints, and putties here in Mooste manor complex.Our B2B plaster systems combine sustainable materials with modern quality control to ensure consistent performance for construction, renovation, and design professionals.
UKU is a trusted manufacturer and wholesale supplier of eco-friendly solutions and plaster systems, providing professional-grade options for contractors, architects, and renovation specialists.
As specialists in natural eco products, we offer a wide range of clay and lime-based plasters, paints and putties designed for both modern and heritage projects. Our systems are breathable, non-toxic, and fully compliant with European standards, making them ideal for creating calm, high-quality indoor environments.
Whether you’re sourcing materials for large-scale construction or bespoke heritage restorations, UKU delivers reliable, high-quality plaster systems that combine centuries of natural building wisdom with modern production and B2B-focused service.
Do you supply eco-friendly plaster systems for renovation and heritage buildings?
Absolutely. Our portfolio includes natural plasters and paints – perfectly suited for heritage buildings (like the Mooste Manor school building or Rõuge St. Mary’s Church) and modern interiors (such as Ilmaveere Boutique Hotel) alike. Natural plaster walls retain their breathability, regulate humidity, and support long-term structural health, making UKU products a preferred choice for sensitive restoration projects.
What is the difference between eco-friendly plaster and conventional plaster?
Eco-friendly plaster, including organic clay, and lime plaster options, is made from natural materials with no harmful additives, unlike conventional cement, gypsum, or polymer-modified plasters. UKU products are non-toxic plaster solutions that help create healthier indoor environments and reduce VOC exposure. These systems provide natural eco-solutions for sustainable building while maintaining durability, breathability, and aesthetic versatility.
Can you supply plaster wholesale to distributors and construction companies?
Yes. UKU offers plaster wholesale services for construction companies, distributors, and professional projects. Our B2B plaster supply ensures competitive pricing, reliable delivery, and full documentation for eco-friendly projects. We’re recognised across Europe as eco-friendly product suppliers, providing scalable solutions for businesses sourcing natural plaster systems in bulk. Simply contact us now to find out more.
What natural building products do you supply, and how do they complement clay and lime systems?
Beyond clay and lime plasters, paints and putties, we’re proud to provide a complete ecosystem of compatible natural building materials designed to work seamlessly together. Our product collection includes:
- Clay products and lime products for interior and exterior finishing
- Clay building boards as time-saving alternatives to thicker clay layers
- Wood fiber boards for thermal and acoustic performance
- Reed products (such as reed mats and boards) as breathable bases for plaster
- Jute mesh and fibreglass mesh for plaster reinforcement
- Pigments for tinting clay and lime finishes
- Primers and top-coats
- Professional installation tools including trowels and brushes
These systems are engineered to interact naturally with clay and lime materials, improving adhesion, structural stability, breathability, and long-term durability.
Are UKU products suitable for healthy buildings and regulated indoor environments?
Definitely. Our plasters are non-toxic plaster products and form part of eco-friendly building supplies – supporting hospitals, schools, offices, public buildings and more. With natural eco products that regulate humidity and improve air quality, UKU systems are ideal for projects where health, safety, and sustainability are priorities.
Do you also manufacture organic and natural paints?
Yes. In addition to plaster systems, UKU produces organic, natural clay paint, lime paint, and pigments. This complements our plaster systems, enabling professionals to source complete eco-friendly finishes from a single, trusted manufacturer.
Why choose UKU as your long-term eco-friendly building materials partner?
UKU is widely recognised as belonging among Europe’s top eco-friendly manufacturers and eco-friendly suppliers – offering high-quality eco naturals and a dependable B2B service. With decades of experience, certified products, and a commitment to sustainable building, we provide the expertise, flexibility, and support that professionals need for long-term project success.
Is UKU a clay paint manufacturer or a clay supplier for professional markets?
We are both a clay paint manufacturer and pigment supplier, as well as a full-scale clay materials supplier. Proudly operating as a natural clay company, UKU produces high-quality clay materials for interior and heritage projects, supplying professional clients with bulk and B2B-ready solutions.
Your Natural Clay Paints and Plasters Manufacturer and Supplier
UKU is a leading clay manufacturer and clay supplies provider, specialising in breathable, humidity-regulating clay-based paints and plasters.
Designed for interiors, heritage restorations, and modern projects, our clay systems balance functionality with natural aesthetics. As a leading clay company and clay paint manufacturer, we deliver high-grade materials that support healthy indoor air quality, enhance natural insulation, and offer versatile finishes.
UKU’s clay products combine traditional craftsmanship with precise, modern production standards. This makes them perfect for professional teams seeking high-quality clay-based paints and plaster solutions that meet both practical and aesthetic requirements.
What are clay-based paints? Are they different from conventional wall paints?
Clay-based paints are natural, breathable coatings that help regulate indoor humidity, unlike conventional synthetic paints. Sometimes known as ‘breathable clay paint’ and often used in conjunction with finishing primers, they help reduce VOC exposure; providing subtle, matte earth tones. Professionals painting with clay can achieve a truly outstanding finish that supports healthy walls while maintaining a natural, tranquil aesthetic.
What types of clay paints and clay plasters do you manufacture?
As a specialist clay manufacturer, we produce a wide portfolio of clay-based paints and plasters for professional application:
- Clay paint: velvety matte, breathable clay-based paint available in rich natural shades
- Clay stucco: versatile finishing mix offering glossy or silky matte surface
- Clay marmorino: decorative plaster imitating satin stone and marble
- Clay decorative putty: smooth, matte surface, also ideal for textured finishes
- Clay decorative plaster: refined interior finish available in multiple grain sizes
- Clay rustic finishing plaster: textured finish or levelling layer
- Pure earth plaster: rustic, expressive natural texture
- Hemp-clay plaster: levelling and build-up plaster with structural body
- Rammed earth mix: traditional clay mix for rammed earth walls and restoration
- Compressed earth blocks (CEB): unfired clay bricks for sustainable construction
- Cob mix: traditional clay soil mix for shaping and construction
- Clay adhesive mix: bonding layer for clay wall renovation
- UKUNAKS clay plaster 0–2mm: extremely popular, this is an affordable, versatile, and high-quality clay-based plaster
This clay product range positions us as a leading clay paint manufacturer and supplier. All materials are suitable for interior designers, heritage specialists, and construction professionals.
Where can professionals buy clay paints and clay plasters in bulk?
For professionals wondering where to buy clay paint or clay plaster supplies, UKU is the first choice. Our supplies are available wholesale for contractors, distributors, and architectural projects, ensuring easy B2B sourcing for bulk purchases.
What are the benefits of clay plaster for natural walls?
Clay plaster is a breathable natural plaster that improves indoor air quality while helping regulate temperature and humidity levels. Clay plaster walls naturally balance moisture and create a healthy indoor climate, making them ideal for sustainable architecture. As an experienced clay plaster manufacturer, UKU ensures consistent texture, durability, and aesthetic quality, offering high-performance natural plaster solutions for modern and traditional interiors.
Do you supply clay materials for both modern and heritage projects?
Yes. UKU provides professional clay specification guidance and supplies clay products for modern projects – like the seaside villa in Haapsalu, or the LHV Lounge at Tallinn Airport – as well as heritage restorations, such as Frost Boutique Hotel Spa in the Old Town of Pärnu. Our clay-based finishing systems ensure each project meets design, functional, and sustainability requirements. Browse our gallery now to see more successful projects.
Is mud paint the same as clay paint?
Within the industry, mud paint for walls is generally considered a variant of clay paint, sharing many of the same natural, breathable properties. Both mud and clay paint support traditional craftsmanship techniques and provide an authentic, eco-friendly finish for professional applications.
Why should I choose UKU as my clay paints and plaster manufacturer and supplier?
Our clay paints and plasters are known and respected across Europe, offering certified, premium natural solutions at a competitive price. Our reputation as a reliable B2B partner ensures professionals have access to high-quality, natural clay materials for every project.
Are you a lime paint and plaster manufacturer, or a lime supplier?
UKU is a leading manufacturer of natural lime-based finishing materials. We produce our materials in-house, including lime plasters, lime paints, and decorative putties. As a trusted supplier for professional projects, we provide high-quality lime finishing systems for B2B partners and architectural applications.
Your Natural Lime Paints and Plasters Manufacturer and Supplier
UKU manufactures natural lime-based paints and plasters, offering high-quality breathable finishing systems for interior and exterior applications.
Our lime plaster supplies, lime paint, and limewash materials produce durable, breathable, and antimicrobial finishes for commercial, public, and residential buildings. From heritage restorations to modern construction, UKU’s limestone manufacturer expertise ensures long-lasting, aesthetically versatile lime-based plasters and paints.
Designed for professional teams, our lime systems deliver both functional performance and eco-conscious benefits, rendering them the preferred choice for contractors, architects, and designers seeking natural, sustainable, and high-performance finishing materials.
What is limewash paint? Is it different from conventional paint?
Lime paint is a naturally white, breathable coating that differs from conventional synthetic paints in several key ways. Our limewash paints and lime paint solutions create clean, durable, and antimicrobial surfaces suitable for walls and ceilings. This supports professional projects requiring healthy, sustainable, high-quality finishes.
What are lime-based plasters, and when should they be specified?
Lime-based plasters are tremendously versatile, breathable coatings that – when applied by experts – meet the highest render specification requirements for interior and exterior walls. Professionals often choose external lime render for historical restorations, high-humidity areas, or projects requiring long-lasting durability and compatibility with other natural materials, such as clay-based materials.
Is UKU a clay paint manufacturer or a clay supplier for professional markets?
For professionals looking to buy lime plaster or lime paint, UKU is a leading provider. We’re pleased to provide bulk solutions for limewash paint and lime plasters at competitive pricing. Contact our team today to learn more.
What are clay-based paints? Are they different from conventional wall paints?
Clay-based paints are natural, breathable coatings that help regulate indoor humidity, unlike conventional synthetic paints. Sometimes known as ‘breathable clay paint’ and often used in conjunction with finishing primers, they help reduce VOC exposure; providing subtle, matte earth tones. Professionals painting with clay can achieve a truly outstanding finish that supports healthy walls while maintaining a natural, tranquil aesthetic.
What types of clay paints and clay plasters do you manufacture?
As a specialist clay manufacturer, we produce a wide portfolio of clay-based paints and plasters for professional application:
- Clay paint: velvety matte, breathable clay-based paint available in rich natural shades
- Clay stucco: versatile finishing mix offering glossy or silky matte surface
- Clay marmorino: decorative plaster imitating satin stone and marble
- Clay decorative putty: smooth, matte surface, also ideal for textured finishes
- Clay decorative plaster: refined interior finish available in multiple grain sizes
- Clay rustic finishing plaster: textured finish or levelling layer
- Pure earth plaster: rustic, expressive natural texture
- Hemp-clay plaster: levelling and build-up plaster with structural body
- Rammed earth mix: traditional clay mix for rammed earth walls and restoration
- Compressed earth blocks (CEB): unfired clay bricks for sustainable construction
- Cob mix: traditional clay soil mix for shaping and construction
- Clay adhesive mix: bonding layer for clay wall renovation
- UKUNAKS clay plaster 0–2mm: extremely popular, this is an affordable, versatile, and high-quality clay-based plaster
This clay product range positions us as a leading clay paint manufacturer and supplier. All materials are suitable for interior designers, heritage specialists, and construction professionals.
Where can professionals buy lime plaster and limewash paint in bulk?
For professionals wondering where to buy clay paint or clay plaster supplies, UKU is the first choice. Our supplies are available wholesale for contractors, distributors, and architectural projects, ensuring easy B2B sourcing for bulk purchases.
What are the benefits of clay plaster for natural walls?
Clay plaster is a breathable natural plaster that improves indoor air quality while helping regulate temperature and humidity levels. Clay plaster walls naturally balance moisture and create a healthy indoor climate, making them ideal for sustainable architecture. As an experienced clay plaster manufacturer, UKU ensures consistent texture, durability, and aesthetic quality, offering high-performance natural plaster solutions for modern and traditional interiors.
Do you supply clay materials for both modern and heritage projects?
Yes. UKU provides professional clay specification guidance and supplies clay products for modern projects – like the seaside villa in Haapsalu, or the LHV Lounge at Tallinn Airport – as well as heritage restorations, such as Frost Boutique Hotel Spa in the Old Town of Pärnu. Our clay-based finishing systems ensure each project meets design, functional, and sustainability requirements. Browse our gallery now to see more successful projects.
Is mud paint the same as clay paint?
Within the industry, mud paint for walls is generally considered a variant of clay paint, sharing many of the same natural, breathable properties. Both mud and clay paint support traditional craftsmanship techniques and provide an authentic, eco-friendly finish for professional applications.
Why should I choose UKU as my clay paints and plaster manufacturer and supplier?
Our clay paints and plasters are known and respected across Europe, offering certified, premium natural solutions at a competitive price. Our reputation as a reliable B2B partner ensures professionals have access to high-quality, natural clay materials for every project.
Where can professionals buy lime plaster and limewash paint in bulk?
For professionals looking to buy lime plaster or lime paint, UKU is a leading provider. We’re pleased to provide bulk solutions for limewash paint and lime plasters at competitive pricing. Contact our team today to learn more.
What types of lime paints and lime plasters do you manufacture?
As established manufacturer of natural lime-based finishing materials, we’re proud to offer a comprehensive range of lime-based finishes for professional use, including:
- Lime paint: breathable, tintable limewash paint for interior and exterior use
- Lime stucco: high-gloss finishing plaster suitable for damper rooms
- Lime marmorino: satin, marble-like decorative plaster
- Lime decorative putty: matte finishing plaster and base for polished systems
- Marble lime plaster: high-adhesion plaster for more demanding substrates
- Lime grassello: mirror-effect high gloss lime putty
- Tadelakt: water-resistant lime plaster for wet areas
- Lime rustic finishing plaster: for a more textured, natural look
- UKUNAKS base coat (0–4mm): base-coat plaster for levelling and surface preparation
- NHL lime plaster: hydraulic lime plaster for moisture-regulated substrates
This lime product selection is widely trusted by professionals seeking plaster and limewash supplies, with solutions adapted for both heritage and modern construction.
Are UKU materials compatible with hydraulic lime and traditional lime mortars?
Yes. UKU materials are compatible with both hydraulic lime mortar and premixed lime mortar supplies. This ensures trustworthy, certified, professional-grade products for structural and decorative restoration projects.Yes. UKU provides professional clay specification guidance and supplies clay products for modern projects – like the seaside villa in Haapsalu, or the LHV Lounge at Tallinn Airport – as well as heritage restorations, such as Frost Boutique Hotel Spa in the Old Town of Pärnu. Our clay-based finishing systems ensure each project meets design, functional, and sustainability requirements. Browse our gallery now to see more successful projects.
Are UKU lime plasters suitable for exterior rendering?
Absolutely. Our lime plasters are suitable for exterior applications and are widely used by professional contractors, plasterers, and restoration specialists. Our lime plaster materials support professional installation for demanding exterior and interior applications.
Why should I choose UKU as my lime paint and plaster manufacturer and supplier?
As a leading lime paint and plaster manufacturer and provider, we’re recognised for high-quality lime finishing materials. Our professional-grade products, combined with expert support, make UKU the preferred B2B partner for architects, contractors, and distributors seeking reliable, eco-conscious, and certified lime finishing materials.
INTERNATIONAL CAPABILITIES
CERTIFIED APPLICATION NETWORK
Consistent quality through trained contractors and applicators. Recent training in Hong Kong (2024), with active programs across Europe and key international markets.
CUSTOM SYSTEMS DEVELOPMENT
Technical support for plaster systems using regional materials. Active projects in Norway, Sweden, Bali, Africa, and Australia.
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