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How Much Does Torch Down Roofing Cost? [2026 Data]
Roofing costs depend on your project and location. Check with a local pro for your specific job.
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Cost Insights:
Torch down roofing installation costs between $3,500 and $17,500 for your project, with roof size and material choice determining your final total.
Your climate determines whether SBS-modified bitumen or APP-modified bitumen works best, with SBS handling cold weather and APP suited for warmer regions.
Budget for existing roof removal between $1,000 and $1,500 and permits ranging from $150 to $1,000 when planning your project costs.
Hiring a local roofing professional keeps your household safe from open flame hazards during installation and helps prevent leaks.
If your roof is flat or has a minimal slope, you might choose to go with torch down roofing. The total torch down roofing cost falls between $3,500 and $17,500, with most homeowners paying about $12,250. Let’s break down the cost of torch down roofing to help you better calculate your total project budget. Remember that a professional roofer in your area will always be able to give you the most accurate estimate.
Torch Down Roofing Cost Factors
The main components of a torch down roofing job are materials and labor, which come out to $3.5 to $7 per square foot. The torch down roofing cost breakdown for most projects is 40% for the materials and 60% for the labor. Keep in mind that prices are regionally determined and are affected by a range of factors, including the following.
Size of Roof
Knowing your roof size is an easy way to get an approximate cost for your torch down roofing installation. Since your roof is likely flat or, at most, just slightly sloped, you can estimate its square footage by multiplying the length and width of your home.
| Roof Size (sq. ft.) | Total Cost |
|---|---|
| 1,000 | $3,500–$7,000 |
| 1,500 | $5,250–$10,500 |
| 2,000 | $7,000–$14,000 |
| 2,500 | $8,750–$17,500 |
| 3,000 | $10,500–$21,000 |
Roofing Installer Costs
Professional roofers often put 40% to 50% of the project cost toward their labor fees. While most of the prices involved with your torch down roof installation will be part of the cost estimate you receive from your local roofing company, it can be helpful to understand where some of the money is going.
Existing roof demolition and disposal costs: $1 – $5 per square foot
Installing flashing costs: $200 – $500
General Contractor Cost
If your general contractor is remodeling your existing home, installing an addition with a flat roof, or building you a new home, the company can likely handle the roofing needs as well. Like a roofing company, general contractors charge between 40% and 50% of the project cost to cover labor, overhead, and profit.
Additional Pros to Consider Hiring
If your roof is undergoing reconstruction, now is a good time to consider hiring other specialists to handle other items on your roofing to-do list.
Chimney repair costs: $160 – $750
Skylight repair costs: $1,000 – $2,770
Additional Cost Factors
While the size of your roof is the most prominent pricing factor for torch down roofing, there are a few other cost factors to consider.
Number of Roof Layers
A two-layer torch down roof will cost slightly less than a three-layer torch down roof; however, it will not last as long—closer to 15 years, compared to a three-layer roof’s 20- to 25-year life span. You can expect to pay $3.50 to $6.50 per square foot for a two-layer roof, while a three-layer roof costs $4 to $7 per square foot.
| Number of Roof Layers | Price Range (per Square Foot) |
|---|---|
| 2 | $3.50 – $6.50 |
| 3 | $4 – $7 |
Materials
The two materials that you can choose from are SBS-modified bitumen and APP-modified bitumen. They are fairly comparable in price, though they can sway the total torch down roofing cost on larger buildings.
SBS-modified bitumen
SBS stands for styrene-butadiene-styrene, which is a synthetic rubber. This material is more flexible than APP-modified bitumen and requires two layers: a base layer and a granulated cap sheet layer, which offers UV protection.
SBS-modified bitumen roofs are durable against extreme weather and impacts, and are also energy efficient. And while installers typically use the torch down method for SBS-modified bitumen, you can also choose between cold adhesive or self-adhesive applications.
Roofs with SBS-modified bitumen cost $3.50 to $6.50 per square foot.
APP-modified bitumen
APP stands for atactic polypropylene, which is a type of polymer. Therefore, this material is plastic-modified rather than rubber-modified and has an asphalt base. This makes for a more rigid roof compared to SBS-modified bitumen, and the installation process requires three layers.
APP-modified bitumen roofs can withstand extreme weather changes and offer great durability; however, it is not an ideal option for areas that are consistently below 25 degrees Fahrenheit. The installation process for this material is almost always the torch down method. This option costs $4 to $7 per square foot.
| Material Type | Price Range (Per sq. ft.) |
|---|---|
| SBS-modified bitumen | $3.50–$6.50 |
| APP-modified bitumen | $4–$7 |
Removing Existing Roof
You likely already have a roof on top of your house, and that roof will need to go before installing your new roof. The cost to remove an existing roof is around $1,000 to $1,500.
Roof Warranty
Roofing contractors often offer warranty deals in case something happens to your roof. This additional and optional expense can cost anywhere from $500 to $2,000.
Permits
Depending on your local municipality, you will need to pay between $100 and $1,000 for a permit to build a new roof.
Seasonal Installation
Demand is higher and more costly for roof installations in the fall and slower in the winter, so know when the best time to install a roof is for your area.
Location
Depending on your region, demand for torch roofs may be lower and, therefore, could cost you $1 to $2 more per square foot than an area with higher demand.
Why You Should Hire a Roofer
While all roofs should be installed by pros for safety reasons, torch down roofing requires an open flame during installation, adding a new dimension of danger. Hire a roofer near you who specializes in torch down roofing so you can rest assured that the project will be done safely and properly.
Here’s why it’s ideal to hire a roofer
When you hire a pro to install your new torch down roofing, you’ll enjoy these benefits:
You’ll get expert advice on choosing between SBS-modified bitumen or APP-modified bitumen based on your climate.
Your roofer will conduct inspections and identify prep work that needs to be done, like roof deck repair.
They’ll remove and dispose of your old roof.
Material and workmanship warranties will ensure that issues that arise will be taken care of.
Expert installers will make sure the torch down roofing is properly and safely installed to prevent leaks and mold growth.
Work will be performed in accordance with local codes and regulations, ensuring you pass inspections and enjoy a long-lasting roof.
Torch Down Roof Replacement vs. Repair
If you have a torch down roof that's in decent shape and not beyond 70% of its expected life span, you should consider repairing it instead of replacing it.
| Repair | Replace |
|---|---|
| Costs less than replacement | Costs more than repairing in most cases |
| Is a possibility if more than 30% of the life span still exists | Is the best option if the roof's life expectancy is nearly up |
| May require additional repair work later | Will likely be a while before repairs are necessary |
| May not allow the same warranty protections | Generally comes with significant warranty protections |
Ways to Save on Torch Down Roofing Costs
There are several ways to reduce the cost of installing a torch down roof.
Consider going with a two-layer roof rather than a three-layer roof.
Hire your contractor to perform the installation during off-peak seasons, such as early spring, late fall, or winter if possible.
Ask your contractor about discounts for using in-stock materials instead of custom or more expensive options.
Does a Torch Down Roof Increase Home Value?
Installing a new roof on your home will help it hold its value. Houses with flat roofs can choose between a couple of flat-roof material options. Torch down roofing works well in almost any climate and has a long life span compared to several other material types. However, the return on investment (ROI) that homeowners can realize likely depends on location and the local housing market. Typical ROI's for torch down roofing hover around 60% of the roof's cost.
Next Steps: Finalize Your Project With a Pro
Be prepared to discuss the materials you want to use for your torch-down roofing, as well as the number of layers you would like to have installed.
Find out which warranties are available for materials and workmanship.
If your roof has a history of issues, like water leaks, have the records on hand to share with your roofer.
Ask if you should anticipate additional costs for necessary services, such as demolition and disposal.
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
Frequently Asked Questions
Roofing services reviews from real Angi homeowners in Columbus, OH
4.3★ avg. • 120 total reviews
- Chance R.
D1 Roofing delivers outstanding service from beginning to end, backed by a strong warranty and expert teams. I highly recommend them for their excellence in meeting and surpassing expectations with unmatched communication. Choosing D1 Roofing was flawless decision
Division 1 Roofing LLC - Jeremy P.
This place took $25,000 for a flat roof job with a five-year warranty and never returned to fix the leaks that were caused by their work. These people are not professionals and should not be doing this type of work. They incorrectly changed the pitch of the roof, and caused more damage than...
- David B.
The technician was very professional and friendly. He answered all my questions and was very thorough. He left the fireplace area very clean . He inspected from the roof and advised me as to other work that might need to be done. There was no pressure there. I was very satisfied with the...
Supreme brick & chimney - Kevin S.
I am really impressed with their timeliness and turnaround. Mitchell came out, and we decided to move forward with their pricing. Our roof was on within a week, and we could not be happier with their team! Amazing company, great prices and honest, dependable craftsmanship. I highly recommend...
Window Depot USA of Central Ohio - Rob B.
Manuel Calvillo is the best option in the area for roofing and you won't be disappointed.
- Julie K.
They damaged multiple items on my property, including a marble slab used as a table top, tried to hide it, and refused to pay or replace. Arrived day one without a ladder to access roof & delayed a day. Left a mess in back yard; didn't wear face masks; no show by owner to property to see damages
Grants Tree Service - Marcia L.
I've hired Gary/Cherokee Roofing for two different homes, work quality, responsiveness, and completion have been great both times. And the prices quoted were very competitive. I would definitely hire again.
- Paul F.
Lyle did a great job removing asbestos shingles from our front porch roof. They worked together with our roofer to make sure that the new roof was able to be installed on the same day that Lyle removed the asbestos shingles.
Lyle Environmental - Paul F.
Bradley Builders did a good job replacing the roof on our front porch. They color-matched the existing shingles on the rest of the house and installed a metal ridge roll since we live in a historical neighborhood. They did the job while we were out of town. When we got back, everything was...
Bradley Builders, Inc. - Madison B.
I would absolutely recommend this business. They offer a variety of services, including: painting, roofing, and refinishing wood flooring. I hired them to refinish the original hardwood flooring in my home built in 1874. The job was quite challenging, as the floors were extremely aged and...
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