OSB is ideal for structural flat or pitched roof decking, structural insulated panels (SIPS) and also as pitched roof lining for tiles or slates (SARKING).

It exceeds the structural performance required for these applications so can be used for new buildings (private and commercial), renovations and loft conversions.

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The strength and stiffness are key attributes that the designer can use to good effect in his design. The thicker panels are ideal for areas with problems with wind uplift, where the structural design allows. With OSB, the design values are readily available and proof

roofing installation


  • Check joists or rafters are level and that there's no mortar dropping and debris
  • Check all supporting joists are straight and level
  • If your joists or rafters are treated with water borne preservatives, check they are dry
  • Lay OSB panels