How Long Do Residential Flat Roofs Last

Even though manufacturers offer warranties that are up to 40 years for commercial roofing none for residential its important to be aware that these warranties do not cover failing seams or ponding water.

How long do residential flat roofs last. Most architectural shingle roofs will last anywhere from 15 to 25 years depending on their environment. Not surprisingly cheaper roofing materials won t. Maximum wind uplift for most architectural shingle products is 110 mph. Epdm lasts only about 10 15 years.

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. 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. 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. 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. When s the last time your flat roof had a recoat. 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. A lifespan of an un coated flat roof is around 10 years but coating it every five years or so can extend this enormously.

Even more so than other roofs flat roofs require maintenance in order to last. Typically a 30 year roof will last on average 12 15 years in more extreme climates such as we have here in texas. 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. This maintenance typically comes in the form of coating the flat roof.

Coating a flat roof can also save money on costly repairs down the line. If it s been over 10 years call lyons roofing your local phoenix roofing company. 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. With a special installation method and roof frame bracing the wind uplift rating can be increased to 130 mph.

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. But how can this be you say. 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.