B1.1 This Part sets out the required standards for regulation 10.
B1.2 The standards apply to all buildings, but only to those materials, fittings, components and other manufactured products which are subject to a particular requirement of these Regulations.
SELECTION AND USE OF MATERIALS AND COMPONENTS
B2.1* Materials, fittings, components and other manufactured products or parts thereof must be supported by evidence of suitability or, when installed by an established method, must have recognised qualities and properties of suitability.
B2.2 Materials, fittings, components and other manufactured products or parts thereof whose suitability depends upon proper maintenance or periodic renewal must be readily accessible, or positioned so that replacement is reasonably practicable.