Proper installation of roofing shingles is crucial to ensure maximum durability and longevity of your roof. Here are some tips from CertainTeed, a leading manufacturer of roofing shingles, on how to properly install their products for the best possible results: Start with a clean and smooth surface: Before installing roofing shingles, make sure that the roof deck is clean, dry, and free of debris. Remove any old shingles, nails, or other materials that could cause unevenness on the surface. Choose the right type of underlayment: A high-quality underlayment can provide an additional layer of protection for your roof. CertainTeed recommends using their DiamondDeck or WinterGuard underlayment products for best results. Use the proper number of nails: The number of nails required to secure each shingle will depend on the type of shingle being used and the pitch of the roof. Make sure to follow the manufacturer's instructions on nail placement and spacing to ensure a secure ins...