Torch on Felt Roofing: Benefits, Costs & Choosing the Right Contractor

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Torch-on-felt roofing is a popular solution for flat roofs in residential and commercial properties. It involves using a polyester-based felt material that is coated with bitumen, applied to the roof surface in rolls, and then melted with a flame torch to create a waterproof barrier. In this article, we’ll discuss the benefits and costs of torch on felt roofing and how to choose the right contractor for your project.

Benefits of Torch on Felt Roofing

Torch-on-felt roofing offers several benefits, including:


The felt material used in torch on felt roofing is resistant to tears, punctures, and other types of damage, making it a durable option that can last for up to 20 years or more with proper maintenance.


Compared to other roofing options like tiles or slate, torch-on-felt roofing is cost-effective for flat roofs. The materials are less expensive, and installation costs are lower, making it an affordable option for many property owners.

Ease of Installation

Torch on felt roofing is easy to install and requires minimal maintenance. The installation process is quick, reducing the time and labour costs involved.


Torch-on-felt roofing provides excellent waterproofing, creating a seamless, durable barrier that protects the underlying structure from moisture.

Torch on Felt Roofing Costs

The cost of torch on felt roofing can vary depending on factors such as the size of the roof, the type of felt material used, and the contractor’s fees. The average cost ranges from €40 to €70 per square meter. To get an accurate estimate of the total cost, it’s important to get a detailed quote from a qualified contractor who can provide a breakdown of labour, materials, and any additional fees.

Choosing the Right Torch on Felt Roofing Contractor

Choosing the right contractor for your torch-on-felt roofing project is crucial. Here are some factors to consider when choosing a contractor:

Experience and Expertise

Look for a contractor with a proven track record of experience and expertise in torch-on-felt roofing. Choose a contractor who has been in business for several years and has completed similar projects.

Licenses and Certifications

Ensure the contractor is licensed and certified to perform torch-on-felt roofing installations. This ensures they have the necessary training and expertise to complete the job safely and efficiently.


Choose a contractor with liability insurance and workers’ compensation insurance to protect you from damages or injuries that may occur during installation.

References and Reviews

Ask the contractor for references and read online reviews from previous customers to get an idea of their reputation and the quality of their work.


Choose a contractor who offers a warranty for their work to ensure they stand behind their work and give you peace of mind.

Torch on Felt Roofing Installation Process

The torch-on-felt roofing installation process involves several steps:


The roof surface must be clean, dry, and free of debris before installation. The contractor will remove any existing roofing material and repair any damages to the roof structure.

Bitumen Primer Application

The contractor will apply a bitumen primer to the roof surface to ensure proper adhesion of the felt material.

Felt Roll Application

The felt rolls are unrolled onto the roof surface and cut to size. The felt is then carefully positioned to ensure full coverage and overlap.

Torch Application

The contractor will use a flame torch to heat the bitumen and bond the felt material to the roof surface. This process creates a watertight seal that protects the underlying structure from water damage.


Once the felt material is in place, the contractor will apply a final layer of bitumen to the surface to create a smooth and seamless finish.

Maintaining Torch on Felt Roofing

Torch on felt roofing requires minimal maintenance, but inspecting it periodically for any damages or signs of wear is important. Here are some tips for maintaining your torch on felt roofing:

  • Inspect the roof regularly for any signs of damage, such as cracks, punctures, or tears.
  • Remove any debris or vegetation that may accumulate on the roof surface, as it can cause damage over time.
  • Trim any overhanging branches or trees that may come into contact with the roof surface.
  • Hire a professional roofing contractor to perform any repairs or maintenance as needed.


Torch-on-felt roofing is a cost-effective and durable solution for flat roofs that offers excellent waterproofing and ease of installation. To ensure the success of your project, it’s important to choose the right contractor with experience, expertise, licenses, insurance, references, and warranty. With proper maintenance, your torch on felt roofing can provide reliable protection for many years. Contact HP Roofing for torch-on-felt roofing installation or repair services in Ireland.

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