BBA Agrément Certificate
Glass fibre mat-faced, gypsum-based sheathing board.
A glass fibre mat-faced, gypsum-based board for use externally as a sheathing board. 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.
Joints should be sealed with GTEC Fire Rated Silicone Sealant or GTEC Weather Defence Joint Tape.
Siniat Weather Defence Board
|Standard product features|
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.
Purple on the front face and white on the back face.
Size (w x l):
1200 x 2400 mm.