Agrément Certificate Product Sheet relates to Windstopper Extreme, fibre-cement boards for use externally as sheathing boards to new and existing buildings, providing temporary weather protection prior to over-cladding with a permanent façade rainscreen cladding. The boards can be used structurally when applied to steel-frame substrate walls. The boards are non-structural when applied to timber-frame substrate walls, providing racking resistance where required.
Category, Class (EN12467) - NT A1 l
Reaction to fire (EN13501-1) - A2-s1, d0
Density (EN12467) - Kg/m³ 1375
Cembrit Windstopper Extreme will function as a temporary façade for up to 12 months