We have solid wood boards under our existing asphalt shingle roof. Some roofers say we need plywood and others say no. HELP!

A reputable roofing company will insist the existing wood deck(sheathing) be re-covered with plywood or Oriented Strand Board (OSB) panels, to ensure you have a proper manufacturer’s warranty. Some shingle manufacturers allow their product to be installed over ‘seasoned’ 1x6 ship-lapped boards; however, any buckling or ridging of the shingles, caused by deck movement, will not be covered under their warranty.

It is a big gamble to skip the re-cover; remember, the deck is the foundation for your new roof!





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