How To Install Rolled Roofing Over Shingles

Prepare a valley between joined roofs by cutting a strip that is 18 inches wide and covers the entire length of the.

How to install rolled roofing over shingles.

This aluminum flashing protects the edges of the roof sheathing. How to install roll roofing on low slope roofs. After the eave drip is in place it is time to lay the roll roofing. The strips should always be horizontal.

Nail only its top edge the part that is bare of mineral coating. It has just one layer so it goes. As with the felt paper it is very important to properly align the roll roofing. Install a drip edge around the perimeter of the roof.

Then set the first course in the cement so it overhangs by about 1 4 inch. To install roll roofing you ll need to cut the material into long strips of the correct length for your roof and lay it flat. In this video we provide details on how to install roof shingles over existing shingles. A typical roof has three layers a felt layer and two layers of overlapping shingles.

It also helps if you first install a layer of roofing felt. The two pieces should meet neatly at the corners. Use a trowel to spread roofing cement over half or more of the strips. Roll roofing is different.

It needs to be nailed down with each nail spaced roughly 6 inches apart. Step by step roll roofing installation 1. Drive nails at high points on the underlying roof the bottoms of the shingles. We discuss the nesting method which helps minimize an uneven appear.

At the eave and the rake install u shape drip edge flashing made for reroof jobs. Position and roll out the roofing carefully because it is not easy to reposition then press it into the cement.