An extra coating of sand or fine gravel can be added on top to improve the aesthetic appeal.
Gravel on felt roof.
Of all the flat roofing options a tar and gravel roof is the most economical.
A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof.
As ballast the gravel will help anchor the material underneath and lower the risk of it being blown off in high winds.
Gravel flat roofs and pea shingle flat roofs.
If you have a home with a flat roof a tar and gravel roof may be a good option for you.
They provide a loading coat and they afford uv protection.
The two main methods of its application are pour roll and torch on.
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.
Follow the 10 steps below in order to felt a flat roof.
Use the type of felt most compatible with your roof selecting from asphalt infused felt polyester felt tar saturated felt or another kind.
Gravel is an excellent fire retardant.
This is then applied to a fibrous membrane which is typically made of fibreglass polyester or hessian.
Tar and gravel roofs are usually made of 3 to 5 laminated layers of asphalt based sheets hot tar and roofing felt.
Roofing felt public domain wikimedia commons kelly e.
This is called built up roofing.
Bitumen in terms of materials please note that there are several different weights for the roofing felt.
A layer of gravel or small stones is applied on top of the final.
It also provides protection from foot traffic.
Gravel and pea shingle have two primary purposes on a flat roof.
Gravel to protect built up roofs.
Roof felt adhesive e g.
Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system.
Step by step guide for felting a flat roof.
Light colored gravel is used to cover the dark layers.
Roof gravel provides a protective layer to flat roofs reducing the weather damaging effects from uv rays and heavy snow hail and wind.
Newer flat roofs on the other hand are often made of rubber.
It provides excellent protection against uv rays and is an attractive option for windows and decks that overlook the roof.
A top layer of bitumen and extra top mineral coating is also added.
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.
Our roof gravel is available for delivery in tunnel lift bulk bags allowing an easy method of transporting the gravel onto a roof using a crane not provided.
Use asphalt gravel or cap sheet on top of the felt if necessary and follow manufacturer instructions for the particular material.
