Foam Roofing Vs Tar And Gravel

Also a tar and gravel roof is very rugged and safe to walk on.

Foam roofing vs tar and gravel.

A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof. The final layer of a built up roofing system consists of stone or gravel. Gravel is an excellent fire retardant. The average tar and gravel roof life expectancy is 20 25 years on average.

Most tear offs are required because of the weight of existing roofing. All roofing materials can offer this particular perk but the most affordable ones are modified bitumen roofs and tar and gravel or built up roofing bur. Sprayed polyurethane foam spf roofing is a probably the best of all the flat roofing options we have discussed here. Of all the flat roofing options a tar and gravel roof is the most economical.

Spray polyurethane foam more commonly referred to as spf is a liquid that is sprayed on the existing roof and expands into a foam creating a solid layer across an existing roof. Flat roofing option 6. While tar and gravel roofing or built up roofing systems have many positive aspects if you live in an area or the roof is in a location where it will receive strong sun exposure hot tar roofs will likely damage the roof s membrane if it is left uncovered or unevenly covered by the gravel. Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system.

According to experienced and knowledgeable corpus christi tx roofing contractors modified bitumen is the successor to traditional tar and gravel roofs. Spf roofing is a roofing system that is spray applied directly to the existing roof surface. Said another way a roof requiring r19 insulation will receive about 3 inches of polyurethane foam. Tar roofs are heavy.

Foam roofing can be rated with a r value of 6 25 per inch. Foam roofing is the exception here as it is considered an overlay and the weight load on the structure is reduced with the foam roof installation. However with effective tar and gravel roof maintenance you can get 30 years from the roof. Gravel to protect built up roofs.

Your tar and gravel roof is a good. Did you know that the highest energy efficient roofing material available over 500 greater than tar gravel is foam roofing. Advantages of a tar and gravel roof. It provides excellent protection against uv rays and is an attractive option for windows and decks that overlook the roof.

Through out the bay area many homes were designed using flat roofs to create their unique look. When you should not choose a tar gravel roof. Similar to a pebble beach or gravel ground garden flat roofs with tar and gravel are pleasing to the eyes. Spray polyurethane foam spf roofing.

It has a plethora of benefits associated with it and only a few drawbacks.