Residential tar and gravel roofs.
Tar and gravel roof repair lethbridge.
The asphalt is then covered with a layer of gravel to protect it from uv radiation and heat.
Tar gravel roof repair tar gravel roofs have been around for centuries.
Gravel roof repairs and roof restorations 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.
Their use has decreased with the more effective modern materials.
No more than 3 inches of rise for every 12 inches of length.
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.
However with new technologies sbs or torch on roofs are now becoming more popular.
Tar and gravel had a lifespan of approximately 20 years but warranties were very limited.
The old system included layers of tar paperand hot asphalt with multiple applications to keep the water out.
Tar and gravel roofing.
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.
Tar and gravel roofs are a proven roof system and were at one time the most popular way of doing flat roofs.
The traditional roof coating system simply do.
Sbs roofs are more pliable and flexible they are resistent to the cold.
Torch on repair ten years ago the most commonly used roofing system in lethbridge on a low slopeto flat roof was the tar and gravel system.
You can strengthen your tar and gravel roof by adding additional roofing layers made out of fiberglass or foam to increase insulation.
Tar gravel roof repair repairing a tar and gravel is of course best left to the professionals and since a properly maintained bur roofing system can last for decades chances are you will have to repair your roofing system at some point during its existence.
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.