https://www.123articleonline.com/rss/author/324516/mike-jeffersArticles written by Mike Jeffers from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. https://www.123articleonline.com/articles/1267064/how-to-repair-a-damaged-roof-i5-exteriors When installing shingles, make sure the nails are securely embedded in the felt and sheathing. Over time, the heat of the sun will cause the roof and shingles to expand, causing the nails to move out of place and thus increasing the risk of leakage.