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 roof repair tips.
Clear away the gravel from around this area and make sure the roof is dry.
Tar gravel roofs have been around for centuries.
Parts and composition of tar and gravel built up and flat roofing systems with a helpful tar and gravel roof construction diagram.
This ponded water also accelerates the deterioration of the asphalt roofing under the gravel.
If simple repairs do not remedy leaks the roof surface may need to be replaced.
Cut tar paper to cover the area laying it over ensuring that it is submerged in the tar.
Flat and low slope gravel roofs are some of the most difficult roof systems to detect the location of roof leaks and then repair.
Preparing and coating tar and gravel roofs can be extremely difficult with a traditional roof coating approach.
The gravel hides the surface of the roof and often creates a water dam that allows water to pond for long periods of time.
Apply tar to the cut areas folding the cut edges into the tar.
Cut off any blisters and pull apart any cracks to let the areas underneath dry.
Flat or almost flat roofs can collect a tremendous amount of water especially if their outlets or downspouts become plugged with leaves and debris.
Leaks and other damage to tar and gravel flat roof are repaired by patching the roofing membranes and a temporary roof leak repair may be required before a roofing contractor can create a more permanent fix.
As the final coat of hot tar is installed fine gravel is applied over the coat to protect it from the effects of sunlight and help spread water across the roof to the edges and roof drains.
Keeping the roof surface covered with gravel will also keep your house cooler in the summer and warmer in the winter.
Tar gravel roof repair.
Built up tar and gravel roofing diagram to keep built up roofs in good shape be sure that there are no bare patches in the gravel.