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Gravel on felt roof.
Gravel and pea shingle have two primary purposes on a flat roof.
They provide a loading coat and they afford uv protection.
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.
Gravel flat roofs and pea shingle flat roofs.
Step by step guide for felting a flat roof.
Follow the 10 steps below in order to felt a flat roof.
Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system.
Of all the flat roofing options a tar and gravel roof is the most economical.
Use the type of felt most compatible with your roof selecting from asphalt infused felt polyester felt tar saturated felt or another kind.
As ballast the gravel will help anchor the material underneath and lower the risk of it being blown off in high winds.
A layer of gravel or small stones is applied on top of the final.
Roof gravel provides a protective layer to flat roofs reducing the weather damaging effects from uv rays and heavy snow hail and wind.
If you have a home with a flat roof a tar and gravel roof may be a good option for you.
From driveways and footpaths to borders and beds whether you re giving your garden a design revamp or overhauling your driveway we have a wide range of decorative aggregate gravel and garden pebbles to suit every budget and project no matter the size.
It also provides protection from foot traffic.
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.
Light colored gravel is used to cover the dark layers.
Use asphalt gravel or cap sheet on top of the felt if necessary and follow manufacturer instructions for the particular material.
Tar and gravel roofs are usually made of 3 to 5 laminated layers of asphalt based sheets hot tar and roofing felt.
Gravel is an excellent fire retardant.
Advantages of a tar and gravel roof.
A top layer of bitumen and extra top mineral coating is also added.
Gravel to protect built up roofs.
This guide will use the more durable 30 roofing felt although you can use 15 felt.
Newer flat roofs on the other hand are often made of rubber.
Decorative stones and gravel are versatile and hard wearing making them the ideal choice for a multitude of projects around your garden.
A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof.
Roofing felt public domain wikimedia commons kelly e.
