Roll Roofing Over Old Shingles

I would tarp the roof even if it had to go a winter then re roof in spring.

Roll roofing over old shingles.

That s also why building codes commonly limit re roofing to no more than two layers. This aluminum flashing protects the edges of the roof sheathing. While this is less than the average life of more traditional roofing materials roll roofing is usually much less expensive to purchase. Use 1 5 or 1 75 inch roofing nails.

Install a drip edge around the perimeter of the roof. I would use steel but which ever suits ya. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing. But you must take care to install shingles correctly so they lie flat.

Roll roofing generally is sold in a sheet 36 inches long and 60 to 90 feet wide. Step by step roll roofing installation 1. A champaign roofing company can install it for a reasonable price if the homeowner does not wish to do it. It is easier and quicker to manufacture than shingles since it is a single piece and as a result it is a good deal cheaper.

Prepare a valley between joined roofs by cutting a strip that is 18 inches wide and covers the entire length of the. Roll roofing generally has a life expectancy of anywhere from six to 10 years. Roll roofing is asphalt based like most shingles. Place the top of each starter shingle firmly against the bottom of the shingle immediately above it and even with the eaves then nail it into place.

Installing new roof shingles over old effectively doubles the weight of the roofing so you have to make sure your roof structure can handle the extra load. I wouldn t roll roof over shingles no.