How Long Do Residential Flat Roofs Last

It also lasts from around 10 to 20 years so it has quite a bit of durability.

How long do residential flat roofs last.

As a building manager or owner you have several options for roofing when it comes to your flat roof. They tend to have a lifespan of around 20 to 25 years depending the location and the structure of the rest of the property barring any major natural disasters of course. All three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof. To help your flat roof last for 25 years it s important to recoat your foam roof every 5 to 10 years since the sun s ultraviolet rays eventually wear down the protective covering.

The weatherproofing aspects of the gravel embedded in the roof can prevent degradation like cracking or blistering that lead to leaks or other failures over time. Coating a flat roof can also save money on costly repairs down the line. Typically a 30 year roof will last on average 12 15 years in more extreme climates such as we have here in texas. 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.

But how can this be you say. All three of these flat roof membranes have their benefits and drawbacks but are all commonly used today on commercial flat roofs. In general a flat roof membrane will last anywhere from 10 50 years depending on these factors. Even more so than other roofs flat roofs require maintenance in order to last.

Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. Epdm lasts only about 10 15 years. Not surprisingly cheaper roofing materials won t. With a special installation method and roof frame bracing the wind uplift rating can be increased to 130 mph.

If it s been over 10 years call lyons roofing your local phoenix roofing company. Both of these are the primary causes of failure for a rubber membrane. When s the last time your flat roof had a recoat. A lifespan of an un coated flat roof is around 10 years but coating it every five years or so can extend this enormously.

Maximum wind uplift for most architectural shingle products is 110 mph. Built up roof bur the traditional hot tar and gravel roof is built from three or more plies of waterproof material alternated with hot tar and ballasted by a layer of smooth river stone. 25 year roofs lasting 9 12 years on average. 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.