Foam Roofing Vs Tar And Gravel

Maintaining a flat roof is much more difficult.

Foam roofing vs tar and gravel.

According to experienced and knowledgeable corpus christi tx roofing contractors modified bitumen is the successor to traditional tar and gravel roofs. A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof. However with effective tar and gravel roof maintenance you can get 30 years from the roof. Advantages of a tar and gravel roof.

Also a tar and gravel roof is very rugged and safe to walk on. Flat roofing option 6. Foam roofs are extremely durable with high tensile and compressive strength. 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.

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. Spray polyurethane foam spf roofing. 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.

Spf roofing is a roofing system that is spray applied directly to the existing roof surface. Tar roofs are heavy. Sprayed polyurethane foam spf roofing is a probably the best of all the flat roofing options we have discussed here. Similar to a pebble beach or gravel ground garden flat roofs with tar and gravel are pleasing to the eyes.

Gravel to protect built up roofs. Said another way a roof requiring r19 insulation will receive about 3 inches of polyurethane foam. 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. Through out the bay area many homes were designed using flat roofs to create their unique look.

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. When you should not choose a tar gravel roof. Most tear offs are required because of the weight of existing roofing. Foam roofing can be rated with a r value of 6 25 per inch.

The gravel on top of them can be even heavier. Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system. The final layer of a built up roofing system consists of stone or gravel. It has a plethora of benefits associated with it and only a few drawbacks.

It provides excellent protection against uv rays and is an attractive option for windows and decks that overlook the roof.