Flood resistance products - Building products. Specification seo-ignore backflow prevention

backflow prevention

its legal and policy requirements

Public transport operations

in a frequency band previously assigned to terrestrial television broadcasting and now to broadband telecommunication services

powered by a combustion engine

Flood resistance products - Building products. Specification seo-ignore backflow prevention1 Scope This British Standard specifies requirements for the designation, testing, factory production control, installation manual, deployment instructions, user manual and marking for different types and configurations of flood resistance products. This British Standard is applicable to flood resistance products intended for use in the temporary sealing of building apertures and entrances to properties, including boards, skirt and wall sealant