Re Felting Flat Roofs

Laying the felt in overlapping layers creates a water barrier in the event that.

Re felting flat roofs.

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. Hi guys and welcome to my video. 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. 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.

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. Roofing felt also called tar paper lays under the shingles of your roof to help keep water out of your home. Prepare the third layer. Installing any gutter drips.

Laying the second bonded layer of underlay felt. 2 step by step guide for felting a flat roof. Prepare the second layer. 1 materials for felting a flat roof.

Add the second layer. The sequence of laying a felt roof is. Laying the top bonded layer of top sheet felt. Measure the roof the first step in felting a shed roof either angled or flat is calculating the exact dimensions of your roof.

While laying felt is not an easy job it can be done by anyone who has the patience to deal with it. Here are simple steps to get you started. 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 first nailed layer of underlay felt.

Add the third layer. You can do this by calculating the length and width of each side of your roof. This layer is not bonded to the decking so that the decking can move without damaging the felt roof. 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.

Simply multiply length x width and you will find the area of one side. Lay down felt and secure to roof. Repeat until roof is covered. Step 1 prep work.

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