How Lay Roofing Felt On A Flat Roof

The last layer should go over both sides of the roof overlapping both side covered in felt.

How lay roofing felt on a flat roof.

Check to ensure the roof is in good enough condition to walk over. Felt is laid on a flat roof to help keep the roofing system waterproof. Step 1 prep work. The substance itself is made from bitumen which comes from the distillation of crude oil that has been either mixed with sand or crushed limestone.

Fasten drip edge on eaves with galvanized nails and a hammer about 12 inches apart before laying roof felt. Here is a video showing how the felt is installed on the flat roof. Unlike a steep roof laying roofing felt on a flat roof is easy for even novice do it. For a flat roof the same applies start at the lower end first working to the higher end and this should resemble tiles on a roof.

Layers of bitumen felt are heat welded onto each other to form an impenetrable barrier. Laying a felt roof is hard manual work which once started needs to be finished you cannot leave it halfway through to come back to in a couple of weeks. Hence this is why tiles are fitted on top of each other rather than sideways. Applying roofing felt on flat roof is relatively simple and it s safer than working on a peaked roof.

By placing three even layers of felt and taking great care that there is enough overlap and that any seams don t create a straight line you can ensure that your flat roof will be optimally weatherproofed. This type of flat roofing felt has been in use for decades and is still used today. Here are simple steps to get you started. Defer putting drip edge on angled gable ends until after the felt is laid so the.

1 built up torchon felt system. Laying down felt on a flat roof is an easy and effective way to improve the strength and durability of an outdoor structure like a garage or shed.