Fire Safety in Roof Design: UK Requirements for All Building Types

Roof construction affects both internal and external fire spread. We explain the Building Regulations requirements for roof fire safety.. Roof Fire Safety External Fire Exposure Roofs must be classified for resistance to external fire BROOF(t4) (European) or AA (national) designation required for most buildings Designation considers penetration by fire and spread of flame across the surface Separation Distance Roofs within 6m of a boundary must achieve fire resistance from above Plastic rooflights have specific area and spacing limitations Compartmentation Compartment walls must extend to the underside of the roof covering In some cases, compartment walls must pass through the roof Combustible roof construction between compartment walls limited For roof fire safety design, contact us.