BBA Agrément Certificate
Certificate type
Glass fibre mat-faced, gypsum-based sheathing board.
For use externally as a sheathing board.
Weather Defence is a revolutionary new external sheathing board, faced with water repellent material for superior weather protection. Strong, highly moisture resistant and A1 non combustible. Weather Defence is a faster way to a weather tight building compared to traditional sheathing board products. Complies with BS EN 15283 Type GM-H1, GM-I and GM-F..
Features and benefits:
Application:
For use externally as a sheathing board.
Features | It is strong, highly moisture-resistant, non-combustible and has improved workability compared to traditional sheathing board products. Manufactured to BS EN 15283‐1 types GM‐F, GM‐H1, GM‐I and CE marked |
Finish | Matt-faced |
Material | Aerated calcium sulfate di-hydrate with liners constructed from polymers and glass fibre with moisture- and fire-resistant fillers/ fibres enclosed in gypsum core. Core and facers are bonded with starch. PVA edge glue. The board contains a water-resistant additive and a biocide to inhibit mould growth |
Size | 1200 x 2400 mm (w x l) |
Uniclass 2015 | |
CAWS | K10/115 Metal stud partition system K10/125 Metal stud partition system K10/15 Lining on timber K10/155 Wall lining system (metal studs) K10/165 Wall lining system (metal framing) |
Product Reference | Siniat Weather Defence Board |
Standard | To BS EN 12524, BS EN 12572, BS EN 15283‐1 and Euroclass A1 to BS EN 13501‐1, Class 0 to Building Regulations (E&W) |
Core | Moisture resistant |
Paper facings | Moisture resistant |
Nominal | 12.5 mm10.8 kg/m², 860 kg/m³, thermal resistance (R-value): 0.05 m²K/W. |
Edge profile | Square edge |
Additional properties | Thermal conductivity (to BS EN 12524): 0.25 W/m·K, water vapour resistance factor (to BS EN 12524): μ = 8, moisture content: <2%, moisture resistance: <3% (after two hours total immersion in water), longitudinal breaking load (to BS EN 15283‐1): ≥680 N, transverse breaking load (to BS EN 15283‐1): ≥310 N, reaction to fire: Non‐combustible, Euroclass A1 to BS EN 13501‐1, Class 0 to Building Regulations (E&W) |
Standard product features | Colour: Purple on the front face and white on the back face. Features: It is strong, highly moisture-resistant, non-combustible and has improved workability compared to traditional sheathing board products. Manufactured to BS EN 15283‐1 types GM‐F, GM‐H1, GM‐I and CE marked. Finish: Matt-faced. Material: Aerated calcium sulfate di-hydrate with liners constructed from polymers and glass fibre with moisture- and fire-resistant fillers/ fibres enclosed in gypsum core. Core and facers are bonded with starch. PVA edge glue. The board contains a water-resistant additive and a biocide to inhibit mould growth. Size: 1200 x 2400 mm (w x l). Recycled content: 12% post-consumer content. Recyclability: Gypsum core is recyclable. Embodied carbon: 0.241 kgCO2e/kg, cradle to gate. Red Listed materials: No. Country of origin: France. |
Embodied carbon | 0.241 kgCO2e/kg, cradle to gate |
Recyclability | Gypsum core is recyclable |
Recycled content | 12% post-consumer content |
Siniat Aqua Board Partition Systems
Siniat Creason Board
Siniat Creason MF Ceiling Systems
Siniat dB Board
Siniat Fire Board Partition Systems
Siniat GTEC Ceiling Systems to Timber Floors
Siniat GTEC dB Board Partition Systems
Siniat GTEC E Board
Siniat GTEC Fire Board Partition Systems
Siniat GTEC Fire Core Board