built-up roof

listen to the pronunciation of built-up roof
الإنجليزية - الإنجليزية

تعريف built-up roof في الإنجليزية الإنجليزية القاموس.

built-up roof
A continuous, semi-flexible roof membrane, consisting of multiple plies of saturated felts, coated felts, fabrics or mats assembled in place with alternate layers of bitumen, and surfaced with mineral aggregate, bituminous materials, a liquid-applied coating or a granule-surfaced cap sheet