05/29/2026
Nailing new shingles directly over your old roof seems like an easy way to save cash. You skip tear-off labor and dumpster fees. This DIY shortcut carries serious hidden risks. A second layer traps moisture, hides rotting wood, and adds massive weight to your home. It also usually voids your material warranty.
Go to the blog to read our full comparison between an overlay and a true roof replacement: https://convertroofing.com/reroofing
Understand the steps and hidden risks of DIY reroofing. Compare overlays to full replacements using OSHA data and ARMA standards.