Tar And Gravel Roof Repair Lethbridge

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Tar and gravel roof repair lethbridge.

The gravel hides the surface of the roof and often creates a water dam that allows water to pond for long periods of time. Residential tar and gravel roofs. Tar gravel roof repair. Tar gravel roofs have been around for centuries.

Flat and low slope gravel roofs are some of the most difficult roof systems to detect the location of roof leaks and then repair. Tar and gravel roofs are a proven roof system and were at one time the most popular way of doing flat roofs. Their use has decreased with the more effective modern materials. They are composed of layers of perforated felt or fiberglass material with asphalt in between flooding the top with asphalt and applying gravel to the hot asphalt.

Many residences are covered with a traditional tar and gravel roof system that has a life span of 15 25 years after which the stress of the heat and cold causes the tar to blister and crack allowing water to travel under the asphalt surface and leak through the roof deck below. Tar gravel roof repair. Sbs roofs are more pliable and flexible they are resistent to the cold. Tar and gravel had a lifespan of approximately 20 years but warranties were very limited.

Our high wind resistant applications involve the use of roofing cement to ensure your project withstands the elements. This ponded water also accelerates the deterioration of the asphalt roofing under the gravel. Ten years ago the most commonly used roofing system in lethbridge on a low slope to flat roof was the tar and gravel system. The old system included layers of tar paper and hot asphalt with multiple applications to keep the water out.