Posted by admin | Posted in home improvement roofing | Posted on 02-09-2010
Tags: re roofing over old shingles, roofing over old shingles
What is the best coating for use under metal roof when installed over old shingles?
First, not recommended for install metal roof over two layers of shingles. You can also use: – 30 pounds felt (cheapest option) – O as a layer of synthetic fibers Palisade http://www.bestbuymetals.com/pdf/palisade-synthetic-underlayment brochure.pdf-it will be used to maintain the rough surface of the tile off the bottom of panels metal roof, but a layer of synthetic fibers will last longer because it does not break down in ultraviolet light, and close the roof dripping rain better.
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