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SMARTPLY MAX FR B Flame Retardant panel is a structural, moisture resistant OSB/3 panel with outstanding and reliable reaction to fire properties. Ideal for use where strength, moisture resistance and improved flame retardance are paramount. SMARTPLY MAX FR B achieves a Reaction to Fire Classification of B-s2, d0, and Bfl-s1 (flooring) in accordance with EN13501-1. SMARTPLY MAX FR B is CE certified according to EN 13986 and meets the requirements for load-bearing panels for use in humid conditions (Type OSB/3) as defined in EN 300 and Eurocode 5.

Product categories


2397 X 1197 (mm)
2397 X 1200 (mm)
11, 15, 18 mm
Special features
• Reaction to fire classification (Euroclass) of B-s2, d0 and Bfl-s1 (flooring). • CPR Compliant – CE Marked in accordance with EN13986 at point of manufacture unlike post-treated alternatives. • Flame retardant treatment of wood strands during manufacture. • No Added Formaldehyde (NAF) or any harmful substances – contributing to healthier environments. • Reduces fire spread and improves fire protection during construction. • High racking strength – suitable for structural use OSB/3 (EN 300). • Light weight and easy to cut and fix compared to mineral-based panels which can crack and shatter. • Manufactured using FSC® certified timber from our own forests. • Climate Positive – more carbon is stored in the product than was emitted during manufacturing processes (A1-A3). Independently verified Environmental Product Declaration (EPD) available on request.
• Timber frame construction • Fire protection during construction – see STA FR Build section on page 2 • Light Gauge Steel and modular construction systems • Site security hoarding • Furniture, shop fitting and general joinery • Exhibition stands, film sets, stage construction.


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