5 Easy Facts About roofing Described
The felt is utilized in overlapping levels to sort a barrier two to 4 layers thick. Then, a layer of finely crushed stone is embedded in very hot tar over the top to produce a incredibly long lasting and impenetrable roof. A properly installed BUR roof can final 20 to 30 yrs.The muse of any roof is its frame, which is made of both rafters or trusse