How To Install A Roof Over Existing Shingles
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As long as it s done right and under the right conditions installing new shingles over old ones can last as long and look just as good as a complete re roof.
How to install a roof over existing shingles. Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option a properly installed layover roof can look and function as well. Manufacturers will still. Looks just as good and lasts as long. Has the same manufacturer s warranty.
Source : pinterest.com