How Lay Roofing Felt On A Flat Roof

Step 1 prep work.

How lay roofing felt on a flat roof.

Hence this is why tiles are fitted on top of each other rather than sideways. Bituminous felt is a form of waterproof sheeting that is used to cover flat roofs or as an underlay beneath slate or tile roofing. Layers of bitumen felt are heat welded onto each other to form an impenetrable barrier. Here are simple steps to get you started.

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

While laying felt is not an easy job it can be done by anyone who has the patience to deal with it. 1 built up torchon felt system. 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. Felt is laid on a flat roof to help keep the roofing system waterproof.

Fasten drip edge on eaves with galvanized nails and a hammer about 12 inches apart before laying roof felt. 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. Unlike a steep roof laying roofing felt on a flat roof is easy for even novice do it. Defer putting drip edge on angled gable ends until after the felt is laid so the.

Here is a video showing how the felt is installed on the flat roof. Check to ensure the roof is in good enough condition to walk over.