Tar And Gravel Roof

No more than 3 inches of rise for every 12 inches of length.

Tar and gravel roof.

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. 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. Heat and uv accelerate the deterioration of the asphalt roofing materials underneath the gravel. This surface layer weighs down the built up roof protects it from sun exposure and serves as decoration.

The asphalt is then covered with a layer of gravel to protect it from uv radiation and heat. This is called built up roofing. Get at least 3 5 estimates before hiring a tar and gravel roof contractor estimates are typically free unless it s a service call for a repair. 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 roof systems are traditionally comprised of several layers of coated felt that is built up and sealed together with asphalt bitumen or tar. Expect the tar and gravel roof prices to fluctuate between various companies each and every company have different operation expenses and over head. The standard roofing for this situation is built up from layers of hot tar and thick roofing felt and topped with a layer of gravel. 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.