Torch on roofing is also known as a Torch Down roofing system. This type of roofing system is made up of two layers of modified asphalt that’s melted together using a torch. Torch on roofing systems is ideal during wet seasons or in wet areas, e.g., Vancouver because they are waterproof and resistant to ultraviolet light of the sun. The base layer of the roof is either attached with adhesives or mechanically using screws with the cap sheet having a granulated surface to protect the roof.
These types of roofing systems are mainly used for flat roofs which can facilitate rain or snow to collect on the roof. It's waterproof property guarantees that no water will seep from your roof even if snow has accumulated on the roof. The roof covers the entire roof with an even thickness of about 3-4 mm. To facilitate resistance to the UV rays of the sun, a thermos fusible plastic is melted both on the bottom face of the cap sheet and the top surface of the base sheet.
Types of Torch on Roofing
There are two types of a torch on roofing systems: two-layer system and three layer system. A two-layer system is made up of a smooth base ply and a granular surface only as the cap sheet. On the other hand, a three-layer system composition is similar to a two-layer system with the only added layer being an asphalt recovery board. As a result of the combined asphalt board, a three-layer system is handy and hence lasts longer.
Benefits of Torch on Roof
Torch on roofing system consists of either 2 or 3 layers depending on the method you choose. The roof is waterproof regardless of the prevailing conditions.
Besides being waterproof, the roofing system lasts long (15 – 20 years) with few or no repair or maintenance practices required. However, it is recommended you hire a professional roofer to inspect your roof from time to time to be sure that the roof is in its perfect condition.
With minimal or no maintenance costs required, most homeowners are now installing Torch on roof systems. This has made this type of roofing system accessible, and hence most roofers are offering installation services at an affordable cost to most people.
Regardless of the type of roof, you install, or the materials used in roofing, having regular maintenance is recommended to keep the roof in perfect condition and increase its lifespan. You can carry out maintenance practices yourself or hire an experienced roofer room time to time to check your roof. During maintenance, remove any debris that may have build-up on your roof and have your roof resealed every five years to keep it waterproof. Finally, when carrying out inspection, check areas around the chimney, gutters and flashing because they are prone to breaking down and require to be repaired. Hiring a roofer is the best option because he knows where to inspect, what to do and how to fix any problem.
If you are planning to install a torch on roof system, you don’t have to remove your existing roof if it’s in a decent condition. However, if your current roof is worn out, you need to remove it to avoid future problems after installing a torch on a roof. Torch on installation process requires skills and knowledge on how to use a blowtorch among other tools used during installation. Therefore, you need to hire a professional roofer who has the materials and skills necessary because if not done correctly, the torch can cause massive damages. The blowtorch used during installation can harm the person using it. Also, it can damage the structure being roofed causing more loss. Therefore, you are advised to hire a roofer and avoid doing yourself if you don’t have the skills and experience needed.
A layer of fiberglass felt is nailed to the roof to cover it. The fiberglass felt is used as the base sheet where roofing materials are joined. A layer of bitumen is then rolled out onto this base layer, and a blowtorch used to melt it so that it can adhere to the base. To get a good seal, bitumen is pressed down and rolled out evenly throughout the roof. A primer is first used to seal metal flashings around vents, chimneys, etc. before covering them with a roofing layer. The roof is left to settle for a few months before having additional coat applied to make the roof resistant to wear and tear, fire and water.
Cooper Roofing Vancouver
1285 W Broadway #600, Vancouver, BC V6H 3X8