Roll Roofing Over Existing Shingles

If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing.

Roll roofing over existing shingles. Roll roofing is a lightweight roofing material that s sold in a large roll. Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones. If the job is done correctly with the new layer of shingles laid flat over the existing shingles the old roof cushions the new one and serves as a secondary barrier should wind or water ever break through the new shingles. A properly installed layover roof can look and function as well.

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. All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof. Roll roofing is asphalt based like most shingles. To shingle on top of existing shingles there are a few things you want to make sure.

Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option. A champaign roofing company can install it for a reasonable price if the homeowner does not wish to do it. It has a life expectancy of anywhere from six to 10 years but it s fairly inexpensive. It can be installed simply and requires only nails and roofing cement.

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. Rolled roofing is very adaptable and can be cut into 12 inch by 36 inch strips to act as hips and ridges or 9 inch strips for eaves and rakes. In this video i take show how to proper recover an old roof and make it look like it s a single layer check it out you might find useful tips for your new. Roll roofing is a good choice for covering an existing roof.

But you must take care to install shingles correctly so they lie flat. No missing shingles no gaps no holes in the roof no soft spots because of water damage. Shingle a roof over existing shingles save 75 give or take.