Tar And Gravel Roof

This surface layer weighs down the built up roof protects it from sun exposure and serves as decoration.

Tar and gravel roof.

No more than 3 inches of rise for every 12 inches of length. Tar and gravel roofs sometimes referred to as conventional built up roofing or bur roofs tar and gravel roofing is a system of flat roofing protection that is budget friendly and can have a lifespan of up to 30 years. Tar and gravel roofing is meant to be installed on buildings that have flat or low slope roofs i e. A tar and gravel roof or built up roofing consists of several layers of waterproof material alternated with hot tar and a surface layer of mineral aggregate often smooth river stone.

The asphalt is then covered with a layer of gravel to protect it from uv radiation and heat. Most houses with flat or nearly flat roofs are topped with built up roofing or tar and gravel roofing made from fiberglass based asphalt sheeting that is applied in layers with hot bitumen tar mopped on between each layer. This is called built up roofing. Heat and uv accelerate the deterioration of the asphalt roofing materials underneath the gravel.

Used in the united states for more than 100 years tar roofs were traditionally six ply meaning that they had six layers of roofing material. Expect the tar and gravel roof prices to fluctuate between various companies each and every company have different operation expenses and over head. If you have a home with a flat roof a tar and gravel roof may be a good option for you. Built up roofs or burs also called a tar and gravel roof is a well established and popular style of flat roof that is made up of alternating layers of roofing felt or fiberglass and asphalt that is applied with heat which combine to make a long lasting sturdy roofing system.