How To Use Roof Felt Adhesive

Apply another layer of adhesive to the top for maximum waterproofing.

How to use roof felt adhesive. Following the manufacturer s instructions apply the adhesive to the first nailed layer. Porous surfaces should be treated with bitumen primer and allowed to dry thoroughly. The roofing felt should be applied in layers that overlap. 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.

Roll out the felt. Ensure that all surfaces are clean dry and free from oil grease dirt and organic growth. Start at the bottom of the roofline and work up so any water that gets through the roofing material will shed down the tar paper and will not go under it. Cover the edges of the roof with strips of felt before laying out the final layer.

As you work the paper can be tacked down in the center so it won t blow away. Let it stand for about 30 minutes and then using galvanized nails and your hammer nail down the first layer. Adhesive helps the membrane make total contact with the roof which reduces the. You can cover the surface of the felt with gravel for added strength.

Align measure and cut it to length. Roll the felt so that it overhangs the edge by 2 inches. You will follow the same process as in step 2 for the last layer. Never install the felt vertically across your roof.

We had a problem with our shed workshop flat felt roof leaking and needed a quick repair. Roll your felt out on the roof and cut it to fit with a utility knife. Roll back one half of the length of the sheet to the centre of the roof taking care to maintain the sheet alignment. Adjust the felt as you roll it making sure that it s straight with no bubbling.