How To Install Rolled Roofing Over Shingles

It has just one layer so it goes.

How to install rolled roofing over shingles.

Position and roll out the roofing carefully because it is not easy to reposition then press it into the cement. Step by step roll roofing installation 1. Use a trowel to spread roofing cement over half or more of the strips. Drive nails at high points on the underlying roof the bottoms of the shingles.

After the eave drip is in place it is time to lay the roll roofing. In this video we provide details on how to install roof shingles over existing shingles. The two pieces should meet neatly at the corners. Then set the first course in the cement so it overhangs by about 1 4 inch.

After it is unrolled and spread into place over the roof it must be nailed down. 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. At the eave and the rake install u shape drip edge flashing made for reroof jobs.

Roll roofing is different. Nail only its top edge the part that is bare of mineral coating. We discuss the nesting method which helps minimize an uneven appear. For extra durability you may install roll roofing in two layers.

Install the eave piece first then the rake piece over it. The strips should always be horizontal. This aluminum flashing protects the edges of the roof sheathing. 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.

It also helps if you first install a layer of roofing felt. Prepare a valley between joined roofs by cutting a strip that is 18 inches wide and covers the entire length of the.