NORFLAM W310 (NT Deco) Fire-Retardant Wood Coating

NORFLAM® W310 (NT Deco) Fire-Retardant Wood Coating

NORFLAM® W310 (NT Deco) is a professional, bio-based fire-retardant coating designed to protect interior and exterior wood elements. It delivers a high fire-reaction classification while preserving the natural appearance of the wood.

Why Choose NORFLAM® W310

• Euroclass B-s1, d0 fire-reaction classification – high-performance fire protection for wood in accordance with EN 13501-1.
• Exceptional service life – outdoors, the typical reapplication interval is 5–10 years, depending on exposure and design details. Indoors, protection can remain effective for a very long period, effectively throughout the life of the finish, provided the surface is not mechanically damaged.
• Natural, bio-based formulation – a waterborne fire-retardant coating with low volatile organic compound emissions (low VOC), suitable for sustainable projects and indoor spaces.
• No additional varnish or protective topcoat required – for many applications, no topcoat is needed; the product provides a clear or semitransparent ready-to-use finish.
• High-quality appearance – available in a Clear finish or semitransparent shades that highlight the wood grain.
• Suitable for green-building projects – designed to support sustainability requirements, including standards such as LEED and BREEAM.

Technical Description

Product type: Waterborne fire-retardant coating for wood

Primary applications: Cladding, paneling, slats, CLT panels, and other visible wood elements

Fire-reaction classification: Euroclass B-s1, d0 (EN 13501-1)

Base: Bio-based, low-VOC formulation

Finish: Clear or semitransparent, preserving the natural appearance of the wood

Recommended wood species: Spruce, larch, cedar, Douglas fir, and others

Application methods: Industrial factory application, off-site workshop application, or on-site jobsite application

Recommended Applications

• Exterior wood facades and cladding with fire-reaction requirements
• Visible interior wood paneling and finishes
• CLT panels and visible structural or decorative elements
• Architectural projects combining wood design with strict fire-protection requirements

Application & Maintenance

• Wood must be clean, dry, and properly prepared before application, without dust, grease, or incompatible treatments.
• Apply the coating in accordance with the manufacturer's instructions, including the required number of coats, coverage rate, temperature, and humidity conditions.
• Exterior: Periodic inspections are recommended, with reapplication after approximately 5–10 years, depending on exposure, construction details, and microclimate.
• Interior: Fire-retardant protection remains effective over the long term, effectively throughout the life of the finish, provided there is no mechanical damage or other work affecting the coating.
• For projects with special requirements, such as public or high-occupancy buildings, review the technical documentation and test reports before specifying the product.

Consulting & Documentation

For technical data sheets, test reports, or assistance selecting the right solution for your project, contact the Distreo team. We can recommend an appropriate protection system based on the application, wood species, and regulatory requirements.