Gravel On Felt Roof

Gravel is an excellent fire retardant.

Gravel on felt roof.

The standard roofing for this situation is built up from layers of hot tar and thick roofing felt and topped with a layer of gravel. An extra coating of sand or fine gravel can be added on top to improve the aesthetic appeal. They provide a loading coat and they afford uv protection. This is called built up roofing.

A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof. A top layer of bitumen and extra top mineral coating is also added. Use the type of felt most compatible with your roof selecting from asphalt infused felt polyester felt tar saturated felt or another kind. Step by step guide for felting a flat roof.

Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system. This is then applied to a fibrous membrane which is typically made of fibreglass polyester or hessian. It provides excellent protection against uv rays and is an attractive option for windows and decks that overlook the roof. Gravel and pea shingle have two primary purposes on a flat roof.

Advantages of a tar and gravel roof. Roofing felt public domain wikimedia commons kelly e. A layer of gravel or small stones is applied on top of the final. Follow the 10 steps below in order to felt a flat roof.

Roof felt adhesive e g. Use asphalt gravel or cap sheet on top of the felt if necessary and follow manufacturer instructions for the particular material. Light colored gravel is used to cover the dark layers. Tar and gravel roofs are usually made of 3 to 5 laminated layers of asphalt based sheets hot tar and roofing felt.

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. Newer flat roofs on the other hand are often made of rubber. This guide will use the more durable 30 roofing felt although you can use 15 felt. Gravel to protect built up roofs.

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. The two main methods of its application are pour roll and torch on. 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. If you have a home with a flat roof a tar and gravel roof may be a good option for you.

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. It also provides protection from foot traffic.