You must remove any rotted pieces of wood on the roof and replace them with your plywood.
How to re felt a flat roof.
Roll out the felt.
Measure the roof the first step in felting a shed roof either angled or flat is calculating the exact dimensions of your roof.
Following the manufacturer s instructions apply the adhesive to the first nailed layer.
Unroll the felt and cut.
You can either measure the roof from the ground or by standing on a ladder and actually going.
This video shows a typical flat roof replacement carried out by argyle roofing based in london uk.
How to refelt a flat roof 1.
Step by step guide for felting a flat roof step 1.
Shed roofs are not normally designed to support a fully grown man especially when in such a.
Roll back one half of the length of the sheet to the centre of the roof taking care to maintain the sheet alignment.
First you need.
Beginning with the removal of the old roofing felt this.
Cover the edges of the roof with strips of felt before laying out the final layer.
Align measure and cut it to length.
Pull out existing nails or staples using a.
You can do this by calculating the length and width of each side of your roof.
The felt roof on my shed was worn out and leaking so here is a video of how to replace a felt roof.
Climb up on the roof using a ladder.
Apply another layer of adhesive to the top for maximum waterproofing.
Simply multiply length x width and you will find the area of one side.
You will follow the same process as in step 2 for the last layer.
Remove existing roofing felt by pulling it away from the plywood beneath.
Multiply the numbers together to find.
You can cover the surface of the felt with gravel for added strength.