For a safe installation, use specialised metal roofing screws that match the color of the ridge cap. These needs to be put about 12 to sixteen inches apart together both sides in the ridge. Tear off Shingles or Tiles: Start by diligently getting rid of the outdated shingles or tiles. https://griffinuuron.topbloghub.com/41816626/indicators-on-residential-rubber-roof-installation-you-should-know