How Long Do Built Up Roofs Last

Built up roofs or burs also called a tar and gravel roof is a well established and popular style of flat roof that is made up of alternating layers of roofing felt or fiberglass and asphalt that is applied with heat which combine to make a long lasting sturdy roofing system.

How long do built up roofs last.

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 found. Is your initial investment in a built up roof going. Built up roofing lifespan depending on the climate and the specific materials used built up roofing has an average life expectancy of 15 to 30 years but some constructions can last up to 40 years. 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.

Foam roofs last around 10 15 years. Foam roofing has gained popularity over the last 30 years. Built up roofing bur. Their affordability and insulating nature help make this a more serious option for homeowners.

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. That said standing seam metal roof will last well over 50 years without problems if installed properly and with the seamless 24ga coated steel. Metal roofing runs the gamut of price and quality starting around 115 per square for standing seam panels in aluminum or steel. If the foam is recoated every 5 10 years a foam roof can last up to twice as long.

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. Built up roofing systems are known to be durable and can stand the test of time. Where i live in south dakota the average asphalt shingle roof will last an average of 7 10 years because of quick temperature changes and hail.