Roofing membranes need bitumen

Roofing membranes need bitumen - 1987 - Building vol 252 no 7476, 2/1/87 p45 .

An information paper from the BRE,Weatherproof joints in large panel systems 4:flat roofs, balconies and deck accessways, recommends that repairs should be carried out using bitumen -based materials.


LARGE PANEL SYSTEM HOUSING