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.
Gravel roof plan.
Advantages of a tar and gravel roof.
Gravel is an excellent fire retardant.
Tar and gravel flat roofs are one of the most cost effective roofing solutions.
Therefore you can save money in the long run.
Gravel roof disadvantages on the other hand gravel roofs are hot energy inefficient heavy moisture trapping and unstable.
Of all the flat roofing options a tar and gravel roof is the most economical.
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.
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.
Tar and gravel roofing.
Aside from its low installation costs the roofing material does not require frequent repairs or replacement.
It provides excellent protection against uv rays and is an attractive option for windows and decks that overlook the roof.
Also a tar and gravel roof is very rugged and safe to walk on.
If you have a home with a flat roof a tar and gravel roof may be a good option for you.