Flametect CWD+ Clear Flame Retardant for Wood

Flametect CWD+ is an easy to apply clear flame-retardant treatment for interior and exterior wood surfaces, including cladding, decking, log cabins, sheds, timber structures and partitions. The advanced water-based, VOC-free formula provides long-lasting fire protection while preserving the natural appearance and texture of the wood. Easy to apply yet trusted by professionals, Flametect CWD+ delivers high-performance fire safety for both domestic and commercial environments.

Developed and manufactured in the UK by Eco-Sol Ltd in partnership with a Queen’s Award-winning chemical manufacturer, Flametect CWD+ is built on over two decades of fire-protection innovation. Every batch is produced to exacting ISO 9001 standards, ensuring consistent performance, safety, and reliability.

• Invisible protection: Dries to a natural, clear finish with no discolouration or sheen.
• Safe & sustainable: 100% water-based, VOC-free, non-toxic, and non-irritant.
• Durable outdoors: Weather-resistant, non-leaching, designed for permanent exterior use.
• Easy to apply: Perfect for both home and commercial applications via spray, roller, brush, or immersion.
• Compatible coatings: Can be over-coated with clear or coloured Osmo finishes (contact us for guidance).
• Corrosion-safe: Non-corrosive to metal fixings and fully breathable, maintaining the wood’s integrity.

Typical Applications

• Timber cladding (interior & exterior)
• Decking and outdoor structures
• Log cabins, sheds & garages
• Barn and loft conversions
• Reclaimed or decorative timber projects
• Summer houses or Garden office Builds
• Dried palm leaves and grasses for bars & restaurants
• Sculptures, artwork and themed interiors

Limitations

Flametect CWD+ is not suitable for:

• Previously painted or varnished surfaces
• Plywood, cork, or laminated boards
• Upgrading standard doors to certified fire doors
• Achieving BS 476 Part 21 or 22 (30/60 minute fire resistance)

Application Guidance

• Apply 250ml per m² to achieve full fire-protection rating.
• Ensure wood is dry (below 20% moisture content) before use.
• Typical absorption for wood & MDF: 4 m² per litre.
• Apply 1x 250ml or  2 x 125ml (per square metre)
• Allow 1 hour between coats if more than one coat is required.
• For exterior applications: protect from the elements and allow to dry for 24–48 hours.
• Do not store below 10°C.
• Shelf life: use within 90 days of purchase.

Fire Safety Certifications

Flametect CWD+ is independently tested and certified to leading international fire standards:

• BS 476 Class 0 & 1
• Euroclass EN 13501-1: B-s1, d0 (Ask for clarification)
• ASTM E84 / UL723 / NFPA 255 (USA)
• BS EN 927-6 Accelerated Weathering Test (NT053 & NT054) — verified long-term weather durability

Tested by Warrington Fire, BTTG, UL (Underwriters Laboratory) and Emirates Safety Laboratory. Certification & Statement of Performance supplied with every order (UKAS-traceable).

Product Specifications