How Long Does A Built Up Roof Last

Thermoplastic polyolefin roofing tpo.

How long does a built up roof last.

The minimum time that a roof lasts should be around 20 years. Built up roofing systems are known to be durable and can stand the test of time. Thickness has little to do with the durability of this material and it all wears out at about the same rate. As a building manager or owner you have several options for roofing when it comes to your flat roof.

Tpo compounds have changed in recent years so it is impossible to say how long current roofs will last but a general estimate puts a tpo roof between 10 and 20 years. One must also ensure that the roof is made out of good quality material for a longer life. With a special installation method and roof frame bracing the wind uplift rating can be increased to 130 mph. 3 build up 15 20 years the build up roof or the tar gravel roof includes piles of alternating layers of bitumen which is either coal tar asphalt or some sort of sealant with the other layers being made of gravel or other similar materials.

Maximum wind uplift for most architectural shingle products is 110 mph. Unfortunately this is not the case. However their installation can be expensive. When you re considering a built up roof for your commercial building you may wonder how long it will last and whether it s a smart long term investment.

While many types of roofs last longer than 15 years some can hold up well for 50 years or longer barring a serious storm or a large fallen tree. Since it is a multi ply roofing there is less risk of tears and holes than if you had a single membrane roof such as pvc. It also lasts from around 10 to 20 years so it has quite a bit of durability. Most architectural shingle roofs will last anywhere from 15 to 25 years depending on their environment.

Is your initial investment in a built up roof going. Homeowners with wood shake roofs should expect them to last about 30 years while fiber cement shingles last about 25 years and asphalt shingle composition roofs last about 20 years the nahb. The benefits of a tar and gravel roof are numerous. Keeping the weather conditions in mind the roof must be built in the respective shapes be it sloping or flat.

Built up roofing consists of several layers of industrial fabric or paper that is coated with asphalt or coal tar to seal out moisture and then covered with a crushed stone or gravel material. Depending upon the materials used in construction built up roofs generally last between 20 and 30 years.