Torch Down roofing, officially known as modified bitumen, is a rolled roofing product consisting of a non-woven polyester mat and a membrane embedded in a thick asphalt layer. The material is strong, durable, and weighs less than two pounds per square foot.
What is a torch down roof?
Torch down roofing (sometimes referred to as “torch on” roofing) is so named because it requires an open-flame propane torch. In this installation method, sheets of modified bitumen are rolled out onto the roof, and a roofing professional uses a hand-held propane torch to heat the material and adhere it to the surface.
Is torch down roofing dangerous?
Modified bitumen has several problems of its own in its composition, but any torch down roofing, which utilizes a torch and propane tank, is incredibly dangerous. The risks are very high and the odds aren’t in your favor if you are using flames in this way, for a long period of time.
How long does a torch down roof last?
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.
Can you walk on a torch down roof?
The torch-on roofing is extremely durable. It has a superior strength that it can resist tears and punctures due to various external factors like walking on the surface. In relation to this, it’s also low maintenance as you can leave it as is for many months without worrying about its condition.
How much does a torch on roof cost?
On average the cost for torch-on roofing systems can vary between $400 and $1000 per square foot. The variability in costs depends on a number of factors including the quality of the materials used, seasonal price fluctuations, and even the expertise of the roofing professional.
Can you do torch down roofing in the rain?
Unlike some other solutions, torch down can be applied when it’s wet and rainy, as well as in warm weather. This means it’s a great choice if you’ve just had roof repairs or there’s a lot of wet weather and you want to protect against leaks.
Is torch on waterproofing good?
Torch-on is best known for being a stronger and sturdier membrane which is generated to keep surfaces safe from damp and water. … As it is a waterproofing action, it averts the danger of logging water through its water-resistant surface.
Do you need adhesive for torch on felt?
When considering how to felt a roof torch on felt, the second layer is also an underlay felt but is bonded to the first layer with adhesive. When laying this layer, avoid having joints in the felt at the same place as on the first layer, so it can be best to start sizing with a half width of a roll to achieve this.
Can you walk on a felt roof?
Why you should never walk on your extension’s roof. … The majority of flat roofs are not built to withstand the pressure of being walked on, and doing so may cause weakness over time – not only making it a health hazard, but also putting your investment at risk.
Can you nail torch on felt?
Roofing felt is a simple and cost-effective countermeasure against wind-driven rain and serves to keep flat roofs, garages, and sheds watertight. … These include Cold Adhesive, Torch-on and Shed.
What is the best material for a flat roof?
For many projects, PVC roofing is our preferred choice as the best flat roof material on the market. PVC roofing is somewhat more expensive than other single-ply commercial roofing materials, however it offers a wide range of benefits for the price.