Gravel on a ballast roof system ballast is a different style of gravel which is applied to single ply roofing systems.
Gravile on the roof.
It shields the roof membrane.
If you have a home with a flat roof a tar and gravel roof may be a good option for you.
This is a surecoat systems coating how to roof r.
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.
Every tar and gravel roof consists of multiple layers and the top layer is gravel.
Gravel is an excellent fire retardant.
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.
By having this gravel on top the roof is held together and the gravel can protect the bottom layers from excessive sun and moisture.
Gravel performs two crucial functions on a tar and gravel roof.
The gravel you re finding has been washed down the roof through the downspouts and onto the ground.
Although the primary purpose of ballast is to weigh down the roofing materials it also offers similar protective benefits as described above.
They are typically more difficult to service as the.
Tar and gravel roofing.
It provides excellent protection against uv rays and is an attractive option for windows and decks that overlook the roof.
Gravel roof disadvantages on the other hand gravel roofs are hot energy inefficient heavy moisture trapping and unstable.
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.
Advantages of a tar and gravel roof.