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.

Gravel on a foam roof.

Said another way a roof requiring r19 insulation will receive about 3 inches of polyurethane foam. A built up roof bur sometimes called a tar and gravel roof is a tried and true style of 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 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.

Your tar and gravel roof is a good candidate for a foam roof system. If applied the proper way spf roofing systems will have significantly less maintenance costs than traditional tar and gravel roofs. Gravel is an excellent fire retardant. With regular maintenance and repair a tar and gravel roof can last as long as 30 years.

Installation performed by washington roofing. Ncfi s endurarock roofing system is the perfect solution for leaking flat roofs. Also a tar and gravel roof is very rugged and safe to walk on. Also applying a new acrylic elastomeric cool roof coating can further weatherproof a.

A spray foam roof is always coated usually w silicone. You can strengthen your tar and gravel roof by adding additional roofing layers made out of fiberglass or foam to increase insulation. It provides excellent protection against uv rays and is an attractive option for windows and decks that overlook the roof. 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.

Spray foam roofing usually cost between 4 7 per sq. Advantages of a tar and gravel roof. 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. Tar and gravel roof repair.

Of all the flat roofing options a tar and gravel roof is the most economical. Polyurethane foam roofing application over modified bitumen roof.