Torch Down Roofing Costs And Reviews
Torch down roofing costs range from $5 to $9 per square foot fully installed. Each torch down roof is comprised of a number of bitumen, polyester and fiberglass layers. The mixture of these materials is placed between various asphalt and gravel layers. Each layer is done on site to ensure that they cover the entire roof. The installer then uses a blow torch to seal the layers together and make the roof watertight. The torch down roof generally lasts twenty to twenty five years. They don't require much maintenance and can be an aesthetically pleasing choice.
Price Range: $5 to $9 per square foot installed --
Torch Down Roof Costs
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2026 Torch Down Roofing Cost Quotes
| Roofing Project | Reported Quote Range | Reported Cost Per Square Foot |
|---|---|---|
| Torch Down Bitumen Roofing | $12,000 To $28,000 | About $4 To $12 Per Square Foot |
"My roofing quotes varied so wildly it was ridiculous - anywhere from $12K to $28K. That put the per square foot cost a anywhere from like $4 to maybe $12, which is a huge range. And this is for a torch down bitumen rolls in Pennsylvania. Thanks for taking a look at the bids, I think we hired a winner in Bill Blanck. They were upfront and did the job on time and offered a 20 year warranty on the job. We’re excited to be all shored up in time for winter."
Gerry - Homeowner - from 2026
Editor's Advice:
Gerry, great to hear you have a good experience with Bill Blanck and will put this online for others to see. Yep, estimates are all over the board, that's for sure. That's why I always say that the more bids you get, the better!
Dane - Site Editor - from 2026
Torch Down Roof Material Cost
The material cost for torch down roofing runs $2 to $3 per square foot ($200 to $300 per square). The biggest factor is going to be thickness and width of the material. The heavier and stronger products on the market will usually carry a better and longer warranty. In addition to the main roofing layer, there are a number of materials and tools that the contractors will use to prep and install the new roofing.
-- Material Price Range: $2 to $4 per square foot --
Installation Pricing
Installation for a torch down roof should run $2 and $3 per square foot ($200 to $300 per square). These roofs are messy to install and somewhat dangerous to apply, but certain roofers and roofing companies specialize in this type of installation. Compare installation prices by material here. Often, this roofing can often be applied right over the old material, which cuts down on the installation costs.
-- Installation Price Range: $3 to $5 per square foot --
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Complete Torch Down Roofing Costs
The completed cost for a torch down roof will run from $3 to $6 per square foot ($300 to $600 per square). Compared to other roofing options, torch down roofs are relatively inexpensive to install. For pricing on all roof materials, use our page on roof prices per square foot here.
-- Total Project Cost: $5 to $9 per square foot --