Re Felting Flat Roofs

While laying felt is not an easy job it can be done by anyone who has the patience to deal with it.

Re felting flat roofs.

Installing any gutter drips. Add the third layer. Prepare the third layer. I had to re felt my shed roof so i though i d share with you the process i went through and the materials i used.

Once measured and cut line the first piece of felt up so that it over hangs the edge of the roof on three sides by enough to cover the side pieces of the 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. Before you put on the new roof you ll need to remove the plies or layers of fabric that make up the old roofing with a spade. When you are felting a sloped roof you start at the bottom and work your way up so that rain pours over the top of the laps and not under them.

Repeat until roof is covered. Laying the top bonded layer of top sheet felt. Felt is laid on a flat roof to help keep the roofing system waterproof. Lay down felt and secure to roof.

Roofing felt also called tar paper lays under the shingles of your roof to help keep water out of your home. This layer is not bonded to the decking so that the decking can move without damaging the felt roof. 2 step by step guide for felting a flat roof. Laying the second bonded layer of underlay felt.

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. Prepare the second layer. This only applies to flat roofs over habitable parts of your home so it excludes garages sheds some porches and most door canopies.

You can do this by calculating the length and width of each side of your roof. Laying the first nailed layer of underlay felt. Since 2005 if you replace 25 or more of your roof covering felt then you need to ensure that the entire flat roof has enough insulation to satisfy current building regulations. Flat roofs get worn out over time but luckily they re fairly simple to replace and you don t need a lot of experience to get the job done.

Laying the felt in overlapping layers creates a water barrier in the event that. Simply multiply length x width and you will find the area of one side. 1 materials for felting a flat roof. Here are simple steps to get you started.

Measure the roof the first step in felting a shed roof either angled or flat is calculating the exact dimensions of your roof.