Flat roofs which are mostly level are common on older homes and in arid environments.
Flat roof gravel repair.
Concerns about flat roof repair vs replace.
Gravel is used on flat roofs for two reasons.
There are different types and weights of gravel used on flat roofs for these purposes.
Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules.
Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot.
Getting a new roof installed is a major investment especially in the case of tar and gravel flat roofing systems which many require significant maintenance or tar roof repair over the course of their existence which can extend for several decades.
To weigh down or secure the roofing material as is the case with single ply flat roofs.
Tar gravel roofs have been around for centuries.
Most flat roofs are made of asphalt rubber.
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.
To protect the underlying layer of roofing materials as is the case with built up roofs burs.
Just enough slope to drain water but also flat enough to be a problem if not constructed properly.
Built up roof bur the traditional hot tar and gravel roof is built from three or more plies of waterproof material alternated with hot tar and ballasted by a layer of smooth river stone.
A tar and gravel roof can be repaired by applying tar to the damage using the caulk gun smoothing it with the putty knife or brush and covering the tar with reinforcing mesh followed by a layer of gravel.
Gravel to protect built up.
Tar and gravel roofs consist of layers of tar and roofing felt.