Use Roll Roofing Instead Of Grace

Rolled roofing material is often used on roofs that are low sloped.

Use roll roofing instead of grace.

A typical roof has three layers a felt layer and two layers of overlapping shingles. Gaf liberty 3 ft. Looked just like vycor without the printing. It was about 36 bucks for a one square roll back then.

Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer. With two layers of protection double coverage roll roofing is acceptable for small roof areas and can be used on roofs as shallow as 1 12. Coverage white fiberglass mineral surfaced cap roll roofing. The roofing should overhang the eaves by inch except where you install drip edge flashing on top of the roofing along the rake edge.

With rolled roofing particularly when you do the work yourself and have the assistance of a friend or helper you can get the rolls to the roof without a lot of effort or machinery. Pros and cons of roll roofing. If your roof pitch declines up to 1 inch vertically for every 12 inches horizontally 1 12 pitch it is a good candidate for rolled roofing as long as you use the concealed nail method of fastening. How to install roll roofing on low slope roofs.

If possible install roll roofing over a smooth plywood deck either perpendicular or parallel to the slope. An underlayment of felt roofing is optional. If the roof is sloped you can use the exposed nail method. I uise grace for underlayment and polyglass for overlay because that is what is available.

But generally when there is a sheathing of boards instead of sheets of ply there is a propensity for movement of the wood to stress the grace and overlay because of it being stuck tight to the moving wood. Roll roofing is coated on both sides with asphalt and its exposed side is protected with mineral granules. Applying roofing felt first will better protect the sheathing against condensation as well as against leaking. For a slightly sloped roof use the concealed nail method shown.

Single coverage roll roofing usually has a 2 inch lap with exposed nails. Ft sbs self adhering cap sheet roll for low slope roofing in slate model 3730750 101 02 roll 101 02 roll free delivery. Roll roofing is different. Otherwise the safest minimum pitch for rolled roofing is 2 inches of decline per 12 inches of horizontal direction 2 12 pitch.

It is inexpensive in comparison to composite asphalt shingles. It has just one layer so it goes.