Advantages of a tar and gravel roof.
Gravel on a foam roof.
It provides excellent protection against uv rays and is an attractive option for windows and decks that overlook the roof.
A spray foam roof is always coated usually w silicone.
Also a tar and gravel roof is very rugged and safe to walk on.
Polyurethane foam roofing application over modified bitumen roof.
Spray foam roofing usually cost between 4 7 per sq.
We will remove anywhere from as little as 2 lbs up to 8 lbs of gravel per square foot and install a foam roof that weighs only about 5 lbs per square foot.
With regular maintenance and repair a tar and gravel roof can last as long as 30 years.
Installation performed by washington roofing.
Tar and gravel roof repair.
If applied the proper way spf roofing systems will have significantly less maintenance costs than traditional tar and gravel roofs.
For more information on replacing leaking tar and gravel roofs visit our spray foam roofing page.
Ncfi s endurarock roofing system is the perfect solution for leaking flat roofs.
Also applying a new acrylic elastomeric cool roof coating can further weatherproof a.
Of all the flat roofing options a tar and gravel roof is the most economical.
Ultimately once cleaned and prepped and verified that the roof is dry a gravel built up roof is a very ideal surface to apply foam to.
Said another way a roof requiring r19 insulation will receive about 3 inches of polyurethane foam.
Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system.
You can strengthen your tar and gravel roof by adding additional roofing layers made out of fiberglass or foam to increase insulation.
The new roof can be applied.
Gravel is an excellent fire retardant.
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.
Your tar and gravel roof is a good candidate for a foam roof system.