Installing Rolled Roofing Over Shingles

Rolled roofing or roll roofing also known as msr comes in rolls of 100 square feet.

Installing rolled roofing over shingles.

Roll roofing is a lightweight roofing material that s sold in a large roll. Roll roofing is different. There are three systems including glue down torch down and peel and stick. Rolled roofing is easy to obtain and can be found at all home improvement stores.

Roll roofing is made from the same asphalt composition material as shingles and it s easier to install. Installing roll roofing is always an appealing option for homeowners because it is easy to install and much less expensive than other roofing. 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. One msr roofing roll is usually about 36 feet long by 36 inches wide.

Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. Applying roofing felt first will better protect the sheathing against condensation as well as against leaking. It can be installed simply and requires only nails and roofing cement. It has a life expectancy of anywhere from six to 10 years but it s fairly inexpensive.

Before you reshingle a roof read our step by step guide for adding new shingles over old ones. If you install roll roofing using the double coverage method it will last longer. A typical roof has three layers a felt layer and two layers of overlapping shingles. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.

So in terms of quantity a roofing roll is about the size of one composite shingle square.