For over 100 years.
Gravel roof plan.
To weigh down or secure the roofing material as is the case with single ply flat roofs.
You can choose the number of layers or plies that are installed.
Built up roofs or burs also called a tar and gravel roof is a well established and popular style of flat roof that is made up of alternating layers of roofing felt or fiberglass and asphalt that is applied with heat which combine to make a long lasting sturdy roofing system.
It protects your home against external elements such as rain winds heat and snow.
A tar and gravel roof or built up roofing consists of several layers of waterproof material alternated with hot tar and a surface layer of mineral aggregate often smooth river stone.
Tar and gravel roofing systems have been in use in the u s.
If you have a home with a flat roof a tar and gravel roof may be a good option for you.
If you plan not to remove the roofing membrane along with the tar and gravel make sure you are cutting only as deep as necessary.
Called a gravel stop it works on any kind of flat roof and comes in many colors.
Tar and gravel systems are installed by alternating layers of asphalt or tar and supporting fabrics directly onto the roof.
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.
Break up the tar and gravel roof with a carbide roofing cutter.
These roof systems are commonly referred to as built up roofs.
Gravel roof disadvantages on the other hand gravel roofs are hot energy inefficient heavy moisture trapping and unstable.
Next up in roofing.
It must be carbide because it is stronger and stiffer than anything else.
The off the rack alternative to custom flashing is a galvanized drip edge specially made for flat roofs.
To protect the underlying layer of roofing materials as is the case with built up roofs burs.
Gravel roof advantages most gravel roofs are inexpensive to build offer some protection to vulnerable asphalt against uv damage and the stones are very durable.
All about metal roofs.
Tar and gravel roofing.
Gravel is used on flat roofs for two reasons.
This surface layer weighs down the built up roof protects it from sun exposure and serves as decoration.
Most houses with flat or nearly flat roofs are topped with built up roofing or tar and gravel roofing made from fiberglass based asphalt sheeting that is applied in layers with hot bitumen tar mopped on between each layer.
There are different types and weights of gravel used on flat roofs for these purposes.
