Most flat roofs can be found on commercial and industrial buildings and were certainly installed by skilled commercial roofing companies with flat roofing experience; but, you can find some residential buildings with this kind of roof. However, some of these installations were done by roofers with almost no experience working with this kind of roofing and lead to requiring some repairs before hitting the minimum life span of the materials.
Materials
Almost all of the leaks requiring repairs are the ones installed with a ply rubber membrane known as EPDM (ethylene propylene dieneter polymer) . This kind of roofing material has swapped out the earlier type of flat roofing that was made from a base sheet and several layers of felt paper and coal tar hot asphalt. Continue reading