Installing Roll Roofing Over Shingles

Things you ll need rolled roofing razor knife trowel brush hose measuring tape ladder roofing cement 1 inch 2 5 cm long roofing nails hammer chalk.

Installing roll roofing over shingles.

Remove the ridge caps. The roof area is 14 ft. Add a second piece of full width roll roofing over the first. Plan so that no two butt joints are closer than 2 feet from each other.

After it is unrolled and spread into place over the roof it must be nailed down. However roll roofing does not look nearly as good as shingle or tile so it is typically only used on roofs that are not readily visible. Doing it now will make it easier to keep the reroofing job clean. Position the first course so it overhangs the drip edges by about 1 4 inch and roll it out a.

For extra durability you may install roll roofing in two layers. Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it. This aluminum flashing protects the edges of the roof sheathing. Use a flat pry bar or roofing shovel to pry.

Prepare a valley between joined roofs by cutting a strip that is 18 inches wide and covers the entire length of the. After the eave drip is in place it is time to lay the roll roofing. Nail the roofing in place with short roofing nails spaced 6 inches apart and 1 inch in from the outer edges of the roll roofing. The roofing screws were 1 1 2 inch and went thru the drip edge and into the stud below.

Installing roll roofing is always an appealing option for homeowners because it is easy to install and much less expensive than other roofing. 3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof. The strips should always be horizontal. How to do it attach first course.

Install a drip edge around the perimeter of the roof. How to do it. It needs to be nailed down with each nail spaced roughly 6 inches apart. To seal a plumbing vent spread roofing.

As with the felt paper it is very important to properly align the roll roofing. It also helps if you first install a layer of roofing felt.