EPDM roofing involves securing the membrane using a specific nail pattern and fastener schedule to ensure durability and wind resistance. Typically, nails or fasteners are spaced evenly along the seams and perimeter of the membrane. This spacing can vary depending on the roof manufacturer’s specifications and local building codes, but a common pattern involves placing fasteners every 6 to 12 inches on seams and around the edges. The goal is to create a secure attachment without damaging the membrane, which could lead to leaks or reduced wind uplift resistance. Understanding the nailing pattern helps prevent wrinkles or bubbling in the membrane, which can happen if the fasteners are uneven or too far apart.
For simple checks, homeowners can look for any visible signs of loose edges, lifted seams, or damaged areas where nails may have popped out. However, avoid trying to drive in or remove any fasteners yourself to prevent worsening the membrane’s condition. If you notice these issues or suspect improper installation, it’s a good idea to call a qualified roofer experienced with EPDM systems. When consulting a contractor, ask what the specific fastener spacing is for your roof and how they will ensure the fasteners won’t damage the membrane. Also, check if their method complies with the manufacturer’s warranty guidelines to avoid voiding coverage. This approach helps protect your roof investment and ensures a long-lasting, secure installation.