Roll Roofing Over Existing Shingles

To shingle on top of existing shingles there are a few things you want to make sure.

Roll roofing over existing shingles.

No missing shingles no gaps no holes in the roof no soft spots because of water damage. Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option. It has a life expectancy of anywhere from six to 10 years but it s fairly inexpensive. But you must take care to install shingles correctly so they lie flat.

1st and foremost your existing roof needs to be in reasonable shape. 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. 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. Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones.

If removing your current shingles is a problem it is usually permissible to re roof over your existing roof with rolled roofing. 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. It can be installed simply and requires only nails and roofing cement. Roll roofing is a lightweight roofing material that s sold in a large roll.

Roll roofing is a good choice for covering an existing roof. 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. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing. 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.

Shingle a roof over existing shingles save 75 give or take. 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.