Use Roll Roofing Instead Of Grace

A typical roof has three layers a felt layer and two layers of overlapping shingles.

Use roll roofing instead of grace. Rolled roofing material is often used on roofs that are low sloped. The roofing should overhang the eaves by inch except where you install drip edge flashing on top of the roofing along the rake edge. Otherwise the safest minimum pitch for rolled roofing is 2 inches of decline per 12 inches of horizontal direction 2 12 pitch. Pros and cons of roll roofing.

It has just one layer so it goes. Also they make 3 4 roofing nails fyi. Roll roofing is different. 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.

Roll roofing is coated on both sides with asphalt and its exposed side is protected with mineral granules. Looked just like vycor without the printing. It is inexpensive in comparison to composite asphalt shingles. Gaf liberty 3 ft.

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 often installed over bare wood sheathing or sheathing that has been painted with a primer. As far as grace ice and water i did use it under shingles on the low pitch patio roofs of a retirement community re roof project i did 10 years ago 1 1 2 on 12 pitch. If possible install roll roofing over a smooth plywood deck either perpendicular or parallel to the slope.

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. Applying roofing felt first will better protect the sheathing against condensation as well as against leaking. How to install roll roofing on low slope roofs. Coverage white fiberglass mineral surfaced cap roll roofing.

An underlayment of felt roofing is optional. Single coverage roll roofing usually has a 2 inch lap with exposed nails. It was about 36 bucks for a one square roll back then. I uise grace for underlayment and polyglass for overlay because that is what is available.

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. 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.