How Lay Roofing Felt On A Flat Roof

Felt is laid on a flat roof to help keep the roofing system waterproof.

How lay roofing felt on a flat roof. While laying felt is not an easy job it can be done by anyone who has the patience to deal with it. Check to ensure the roof is in good enough condition to walk over. Here are simple steps to get you started. Fasten drip edge on eaves with galvanized nails and a hammer about 12 inches apart before laying roof felt.

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. Defer putting drip edge on angled gable ends until after the felt is laid so the. The best time to lay a felt roof using cold applied adhesive is when the weather is warm but this means that working on a flat roof can be exhausting work with the sun s heat and the heat reflected from the felt already laid. Layers of bitumen felt are heat welded onto each other to form an impenetrable barrier.

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. 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. 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. Applying roofing felt on flat roof is relatively simple and it s safer than working on a peaked roof.

Bituminous felt is a form of waterproof sheeting that is used to cover flat roofs or as an underlay beneath slate or tile roofing. This type of flat roofing felt has been in use for decades and is still used today. The last layer should go over both sides of the roof overlapping both side covered in felt. 1 built up torchon felt system.

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.