How To Install Roll Roofing Over Shingles

All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof.

How to install roll roofing over shingles.

Installing roll roofing is always an appealing option for homeowners because it is easy to install and much less expensive than other roofing. 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. It has a life expectancy of anywhere from six to 10 years but it s fairly inexpensive. Applying roofing felt first will better protect the sheathing against condensation as well as against leaking.

Roll roofing is made from the same asphalt composition material as shingles and it s easier to install. 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. There are three systems including glue down torch down and peel and stick. Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option.

Roll roofing is asphalt based like most shingles. If you install roll roofing using the double coverage method it will last longer. A champaign roofing company can install it for a reasonable price if the homeowner does not wish to do it. How to install a roof over an existing roof.

Roll roofing generally is sold in a sheet 36 inches long and 60. Roll roofing is a good choice for covering an existing roof. 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. Roll roofing is often installed over bare wood sheathing or sheathing that has been painted with a primer.

Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Roll roofing is a lightweight roofing material that s sold in a large roll.