Re Felting Flat Roofs

1 materials for felting a flat roof.

Re felting flat roofs. Installing any gutter drips. 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. Laying the second bonded layer of underlay felt. 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.

Measure the roof the first step in felting a shed roof either angled or flat is calculating the exact dimensions of your roof. Laying the felt in overlapping layers creates a water barrier in the event that. Bituminous felt is a form of waterproof sheeting that is used to cover flat roofs or as an underlay beneath slate or tile roofing. Here are simple steps to get you started.

You can do this by calculating the length and width of each side of your roof. 2 step by step guide for felting a flat roof. 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. 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.

Add the second layer. 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. Laying the first nailed layer of underlay felt. Prepare the third layer.

Felt is laid on a flat roof to help keep the roofing system waterproof. 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. Prepare the second layer. Hi guys and welcome to my video.

This layer is not bonded to the decking so that the decking can move without damaging the felt roof. Simply multiply length x width and you will find the area of one side. 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. This only applies to flat roofs over habitable parts of your home so it excludes garages sheds some porches and most door canopies.

Laying the top bonded layer of top sheet felt. Step 1 prep work. Roofing felt also called tar paper lays under the shingles of your roof to help keep water out of your home. Add the third layer.

The sequence of laying a felt roof is.