BETHESDA, Md.—The EPDM Roofing Association is challenging a study conducted by Lawrence Berkley National Laboratory, which recommends policy makers phase out black EPDM roof membranes because they ...
Q: The rubber-membrane roof sitting on top of our small kitchen addition was installed in 1985. You can see the little sluiceway and drain in the picture we sent. They are too high, and the roof has ...
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