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
Our portfolio spans from 9,000 m² commercial projects in desert heat to institutional developments in the Nordics, demonstrating our technical capability, climate adaptability, and scalable delivery across challenging environments.
GLOBAL CAPABILITIES
Local Expertise.
Localized plaster systems using regional raw materials — Norway, Sweden, Indonesia (Bali), Australia, Africa.
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.
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?
We’re seeking professional distribution partners for our clay and lime finishing systems.
- Comprehensive product training and certification
- Marketing support and brand materials
- Complete technical 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.
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.
CONTACT
Mon-Fri 9:00-17:00 EET
Quick chat & support
Professional inquiries
Estonia
GET IN TOUCH
Professional natural finishing materials for sustainable architecture.
PRODUCTS
- Natural Paints
- Natural Plasters
- Mixtures
- Technical Docs
COMPANY
- Why UKU
- Projects
- Certifications
- Contact
RESOURCES
- Technical Resources
- Case Studies
- Downloads
- Main Website
© 2026 UKU. All rights reserved.
Privacy Policy Terms
