How long will a torch down roof last?
15 to 20 years
Lifespan. The lifespan of a torch down roof is one of its main selling points, at 15 to 20 years. Torch down roofing is more long-lasting than some other types of flat roof systems. This is due to its flexibility in hot and cold temperatures, as well as its resistance to water damage.
What kind of roof is torch down?
Torch down roofing is still one of the most commonly used roofing types for flat commercial roofs. The official name of this type of roofing is modified bitumen. It is a rolled roofing product that consists of a tough waterproof roof membrane embedded in a thick layer of asphalt.
How much does a torch down roof cost?
Torch Down Roofing Prices The average price range for bargain-grade or discounted torch down roofing is $365 up to $460 for 1,200 square feet. Superior-grade materials for an area of the same size can cost anywhere from $850 up to $1,075.
Can you torch down over existing roof?
A 2 ply torch down membrane can be installed over any existing roof or surface, to include a Hot-Tar-and-Gravel roof system. The first step is to install a fiber asphalt base fastened with anchors and washer plates, to the existing roof, or to a substrate.
How do you remove a torch from a roof?
Slice it with a sharp utility knife, using a hook blade and then use a roofers tear-off shovel or pitch fork to get under it and roll it progressively back onto itself in manageable sized sections. Most times, unless there is decking damage, you would not need to remove the material if it is one layer thick.
How long does a modified bitumen roof last?
The life expectancy of a modified bitumen roof depends on a multitude of factors, such as, home location, maintenance, and architectural design. However, manufactures suggest the rolled membrane roofing can last up to 20 years.
How long does torch felt last?
between 15 and 25 years
Though torch-on felt roofing is not the cheapest option available, the long-term value it offers makes it a smart, cost effective solution that requires little maintenance. Torch-on felt roofing can last anywhere between 15 and 25 years, depending on whether it’s a 2 or 3-layer system.
Can you nail torch on felt?
For garages and other larger garden or commercial buildings felt cannot be dry-fixed using nails and screws. Torch-on felt is generally seen as the quicker approach, but does require working with an open flame thus is more common among professional tradespeople.
What is torch roofing material?
Torch on roofing is composed of a combination of asphalt and resin. It is highly resistant to damage from the weather, debris, pests, and rot.
What is a torch down roll?
A torch down roof is a type of roll roofing applied to relatively flat roofs with a torch, to impart sealing between courses of roofing material.
What is a bitumen membrane?
Polymer-modified bitumen or modified bitumen (MB) sheet membranes were developed in Europe in the early 1960s and have been in use in the U.S. since the mid 1970s. Polymer-modified roof membranes are composed of reinforcing fabrics that serve as carriers for the hot polymer-modified bitumen as it is manufactured into a roll material.