BSI - BS 5642-1
Sills, copings and cappings — Part 1: Specification for window sills of precast concrete, cast stone, clayware, slate and natural stone
|Publication Date:||29 December 1978|
|ICS Code (Doors and windows):||91.060.50|
Coordinating sizes, performance requirements, materials and workmanship. Guidance on jointing and waterproofing.