Roofing felt paper is a common underlayment but adhesive backed underlayment membranes may offer more protection.
How to use roof felt adhesive.
Instead of replacing the felt roof we decided to use a product call.
We had a problem with our shed workshop flat felt roof leaking and needed a quick repair.
Cover the edges of the roof with strips of felt before laying out the final layer.
Let it stand for about 30 minutes and then using galvanized nails and your hammer nail down the first layer.
The roofing felt should be applied in layers that overlap.
Ensure that all surfaces are clean dry and free from oil grease dirt and organic growth.
You will follow the same process as in step 2 for the last layer.
Never install the felt vertically across your roof.
Hang the lower edge of the felt over the eave the part of the roof that meets or overhangs the shed s walls by about 0 5.
As you work the paper can be tacked down in the center so it won t blow away.
Roll your felt out on the roof and cut it to fit with a utility knife.
Align measure and cut it to length.
Apply another layer of adhesive to the top for maximum waterproofing.
You can cover the surface of the felt with gravel for added strength.
Adjust the felt as you roll it making sure that it s straight with no bubbling.
Porous surfaces should be treated with bitumen primer and allowed to dry thoroughly.
Roll out the felt.
Solvent based adhesive for bonding successive layers of roofing membranes and to bond overlaps on single layer installations that are nailed to timber.
Following the manufacturer s instructions apply the adhesive to the first nailed layer.
Roll the felt so that it overhangs the edge by 2 inches.