How long does a felt garage roof last?

We currently have felt on our garage roof, but I am tempted to change over to using rubber. Does a felt garage roof last longer than a rubber one? Which one would you recommend?

Asked by kashif on 28th Feb 2026
Expert Trade Answers
"Typically if installed correctly 10-15 plus years aslong as felt is in good order"
Answered on 26th Mar 2026 - Member since Mar 2026 - report
"The lifespan of a felt garage roof depends on the quality of the materials used, the standard of installation, weather exposure, roof design and how well it has been maintained. As a general guide, a professionally installed traditional felt garage roof will usually last around 10–20 years, although a well-installed high-performance felt system can often achieve the longer end of that range.
Over time, felt roofs can deteriorate due to UV exposure, temperature changes, standing water, movement in the roof structure and general weathering. Common signs that a felt roof is reaching the end of its life include cracking, bubbling, splits, loose edges, water pooling, damp patches inside the garage, or repeated repairs being required.
When comparing felt with rubber (EPDM), both systems can provide excellent performance when installed correctly. A good quality EPDM rubber roof can often have a longer expected lifespan, commonly 25–50 years, and requires very little maintenance. However, the preparation and installation quality are just as important as the material itself. A poorly installed premium product will not outperform a correctly installed quality felt system.
The best option depends on the condition of the existing roof deck, the design of the garage, your budget and how long you intend to keep the property. In some cases, replacing with a modern three-layer felt system is a very reliable and cost-effective solution, while in other situations EPDM may be the better long-term investment.
My advice would be to have the existing roof inspected before choosing a replacement. A professional roofer should check the deck, timber structure, falls for drainage, edges and upstands before recommending a system. The aim should always be to install a roof that is correctly specified and fitted, giving you many years of reliable protection rather than simply choosing the cheapest option."
Answered on 22nd Jul 2026 - Member since Jul 2026 - report
"Felt roofs are usually only guaranteed for ten years however quality rubber or fibreglass roof systems have a longer life span. As a cure it installer I give twenty years manufacturer warranty and a twenty year workmanship guarantee"
Answered on 6th Aug 2026 - Member since Dec 2019 - report
"Rubber for me 100% lasts longer as long as the job done right 👍"
Answered on 2nd Mar 2026 - Member since Nov 2025 - report
"A bitumen felt flat roof has a manufacturing warranty of ten years, if done properly can last way beyond its manufacture warranty easily stretching to fifteen years or even longer."
Answered on 15th Apr 2026 - Member since Jan 2025 - report
"Hi we are experts in roofing. I recommend felt torch last longer than rubber"
Answered on 28th Feb 2026 - Member since Feb 2026 - report
"Thanks for your question. The expected lifespan of a flat roof with felt varies by system and conditions:, with factors like Roof slope and drainage to prevent ponding, Installation quality and materials
So torched down felt system typically has proven to last 20-30 years"
Answered on 28th Feb 2026 - Member since Jul 2022 - report
"Rubber last longer lifeline of 15-20 years.
Felt has a lifeline of 10-15.
Fibreglass is the best 20+ years"
Answered on 28th Feb 2026 - Member since Feb 2025 - report
"A rubber roof lasts alot longer your are garenteed by the manufacturer numerous years over the felt also usually it would come in 1 full piece so there is less change of leaks over a felt roof as it comes in sections that need to be sealed induvidually"
Answered on 28th Feb 2026 - Member since Nov 2025 - report
"Rubber will last longer and cover a lot more warranty for you"
Answered on 28th Feb 2026 - Member since Sep 2025 - report
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