prEN 12951 rev

Prefabricated accessories for roofing - Permanently fixed roof ladders - Product specification and test methods prEN 12951 rev

Scope

This European standard applies to permanently fixed ladders on pitched roofs which are permanently installed on the load bearing construction of pitched roofs and which may be stepped or walked on for purposes of inspection, maintenance and repair of equipment installed above the roof surface. This standard specifies essential dimensions, materials and corrosion protection to be used, requirements with respect to the load-bearing capacity, and the extend of testing. This standard does not include walkways, single treads, single steps or not permanently fived roof ladders, nor fire escape ladders.