Torch-on felt is the cheapest type of flat roof covering, with EDPM usually working out at around 25% more expensive. At the top of the price scale lie green roofs and sheet metal, such as zinc.

Q: We are designing a pitched roof for our 1950s-era home that has an almost-flat torch-down roof. We want to update the look and get a better roofing system.

It is an extremely light weight, elastic and tough finish. A well installed rubber roof should last 30 years upwards. They cost about 20 per cent to 30 per cent more than a torch-on felt roof.

Flat roofs can be tricky to repair, and as a result, a customer can expect to pay based on the challenge at hand. While the average cost for a flat roof repair is $700, repairs range between $300 ...

With proper maintenance, a flat roof can even last as long as 50 years. If you want your roof to last as long as possible—reducing your expenses and anyxiety—there’s one pretty simple thing ...

Where any portion of the roof is covered with mineral felt or torch-on felt, it is no greater than 20 per cent of the total roof area.” My flat roof is made of a PVC membrane I think.