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Junction of compartment walls and roofs
4.21NI-wide·Technical Booklet E Fire Safety
If a fire penetrates a roof near a compartment wall there is a risk that it will spread over the roof to the adjoining compartment. Where a compartment wall meets a roof it should – (a) where the roof
fire-safetycompartmentationroofCavity barriers in double-skinned profiled insulated roof sheeting
4.40(e)NI-wide·Technical Booklet E Fire Safety
(e) between double-skinned, profiled, insulated, roof sheeting provided that – (i) the sheeting is a material of limited combustibility; (ii) both surfaces of the insulation layer have a surface sprea
fire-safetynon-domesticroof