List of featured suppliers of VARNISH Intumescent BS 476 Parts 6 and 7 Class 1 and Class 0 on Building Products Index
Varnish is a type of coating that is applied on surfaces to give them a glossy or satin finish. Intumescent refers to a type of material that swells up when exposed to heat, thus forming an insulating layer. BS 476 Parts 6 and 7 are British Standards that describe the fire propagation and surface spread of flame tests for building materials. Class 1 and Class 0 are classifications within these standards that describe the level of fire resistance that a material possesses.
