Never install the felt vertically across your roof. hang the lower edge of the felt over the eave�the part of the roof that meets or overhangs the shed's walls�by about 0.5 to 0.75 inches (1.3 to 1.9 cm).. Watch our step-by-step video showing how to felt a shed roof, with expert advice and top tips to help you complete the job with confidence. visit the official b&q youtube channel.. Install the second row of felt in the same manner as the first. continue this process until you have covered the entire shed roof in felt. then open a tub of roofing tar and use a putty knife to apply the substance on top of each nail head to waterproof them..
Adding roofing felt to a shed is an important part of protecting the shed from harsh weather and making sure it looks great all year round. it may seem like a tedious task but felting a shed roof is actually straightforward if you know how.. The roof was asymmetrical, the front cantilevered section was relatively short in comparison to the longer slope at the rear. the shallow slope meant that i felt comfortable walking on this roof to install the membrane. i started to install epdm roofing on the short front section of the roof first.. How to felt a shed � part 1 of how to felt a shed deals with how to strip old felt from a shed roof without damaging the roof or trims in the process. fitting felt to a shed � part 2 gives instructions on how to fit roofing felt to a shed roof, cutting, nailing, gluing and replacing wooden trims afterwards..