This standard specifies the requirements for flat roof building structure and main requirements for the materials used in flat roofs. This standard specifies the requirements for products and installation in ordinary exploitation conditions.
Flat roofs are roofs where incline is 1:10 or less. Flat roofs are usually covered wih flexible sheets for waterproofing or continuous waterproofing. This standard does not specify continuous waterproofing.
This standard is meant for guidance to flat roof installers, builders, material manufacturers, designers, arhitects, building supervision, experts and users.
The examples in this standard are illustrative and it is not inevitably obligatory to use them. Designers may design different solutions.
The roof maintenance is specified in standard EVS 920-1.
The fire safety design of flat roofs is specified in EVS 812 standardseries.