How To Install Rolled Roofing Over Shingles

After the eave drip is in place it is time to lay the roll roofing.

How to install rolled roofing over shingles.

Use a trowel to spread roofing cement over half or more of the strips. 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. Position and roll out the roofing carefully because it is not easy to reposition then press it into the cement. The two pieces should meet neatly at the corners.

Install the eave piece first then the rake piece over it. Step by step roll roofing installation 1. This aluminum flashing protects the edges of the roof sheathing. It needs to be nailed down with each nail spaced roughly 6 inches apart.

Install a drip edge around the perimeter of the roof. As with the felt paper it is very important to properly align the roll roofing. Then set the first course in the cement so it overhangs by about 1 4 inch. For extra durability you may install roll roofing in two layers.

How to install roll roofing on low slope roofs. A typical roof has three layers a felt layer and two layers of overlapping shingles. Prepare a valley between joined roofs by cutting a strip that is 18 inches wide and covers the entire length of the. We discuss the nesting method which helps minimize an uneven appear.

In this video we provide details on how to install roof shingles over existing shingles. Nail only its top edge the part that is bare of mineral coating. It also helps if you first install a layer of roofing felt. After it is unrolled and spread into place over the roof it must be nailed down.

At the eave and the rake install u shape drip edge flashing made for reroof jobs. Roll roofing is different.