IWS FAST Board was tested to BS EN 594 2011.
Racking Strengths to BS 5268 – 6.1/6.2
Category 1 board or specific racking strength for the nailing noted as:
FAST Board standard nailing – 1.97kN/m (which can be modified as appropriate using K104-8 to BS 5268 6.1/6.2)
FAST Board enhanced nailing – 3.07kN/m (which can be modified as appropriate using K104-8 to BS 5268 6.1/6.2)