A three layer torch down roof features the same base and cap sheets as well as an additional cap sheet with a granulated surface.
Torch down roofing installation.
Watch this video if you want to learn how to use a propane torch on a flat roof.
Torch down roofing contains modified bitumen which prevents moisture from building up without constant maintenance.
As such whether it s carrying heavy equipment from the truck clearing the entryway to the roof or just offering them water on a hot day always help out the contractor as much as possible.
Another disadvantage of torch down roofing is that seam failure and other installation errors can happen.
Get at least 3 5 estimates before hiring a 3 layer torch down roofing contractor estimates are typically free unless it s a service call for a repair.
Torch down roofing installation while dangerous is labor intensive.
It also works well with roofs that have less than a 3 12 pitched.
This membrane contains a core of nonwoven polyester mat that resists splits and tears.
Install heavy roofing felt with overtop.
Installing torch down roofing can be a bit tricky and dangerous so only do it yourself if you have experience installing roofing.
3 layer torch down roof pricing and installation cost checklist.
Torch down roofing installation is an excellent way for those houses or structures that have a flat roof.
If the layers of the torch down roofing system are not adequately sealed leaks are possible.
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A two layer torch down roof consists of one base sheet and one smooth cap sheet.
Due to the inherent danger of fire especially around felting and petroleum products the torch down method of installation for modified bitumen roofing should only be performed by a qualified roofer.
Ensure your flat roof is entirely clear of debris.
Designed for torch down roof application by pro roof contractors gaf tri ply app smooth is a strong resilient membrane that is suitable for new or reroofing projects as well as for use as flashing.
The less time your pro spends on your project the cheaper the final bill will be.
Two layer torch down roofing may cost less to install but it doesn t last as long and doesn t offer as many benefits.
How to install torch down modified bitumen roofing.
A three layer system is less likely to suffer from these issues and if problems occur repair is simple.