Introduction

Provisions for the fire properties of roofs are given in other parts of this document. a. Requirement B1 – for roofs that are part of a means of escape. b. Requirement B2 – for the internal surfaces of rooflights as part of internal linings. c. Requirement B3 – for roofs that are used as a floor and for roofs passing over a compartment wall. d. Section 11 – the circumstances in which a roof is subject to the provisions for space separation