Gravel On A Foam Roof

Advantages of a tar and gravel roof.

Gravel on a foam roof.

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. Also a tar and gravel roof is very rugged and safe to walk on. 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. Combining high compressive strength and seamless spray in place rigid polyurethane foam with a thick layer of protective gravel your endurarock roof will save you thousands of dollars a year in maintenance and energy costs.

With regular maintenance and repair a tar and gravel roof can last as long as 30 years. You can strengthen your tar and gravel roof by adding additional roofing layers made out of fiberglass or foam to increase insulation. This is a major reduction in weight and one of the reasons foam roofing is the exception to the rule when it comes to required tear offs. 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.

Your tar and gravel roof is a good candidate for a foam roof system. Said another way a roof requiring r19 insulation will receive about 3 inches of polyurethane foam. A spray foam roof is always coated usually w silicone. Tar and gravel roof repair.

It provides excellent protection against uv rays and is an attractive option for windows and decks that overlook the roof. Of all the flat roofing options a tar and gravel roof is the most economical. Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system. The new roof can be applied.

For more information on replacing leaking tar and gravel roofs visit our spray foam roofing page. Also applying a new acrylic elastomeric cool roof coating can further weatherproof a. Gravel is an excellent fire retardant. Installation performed by washington roofing.

Polyurethane foam roofing application over modified bitumen roof. Spray foam roofing usually cost between 4 7 per sq.