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Torch on felt roofing project essentials

IKO-SBS-TorchTorch on felt roofing systems have come along way since the traditional ‘pour and roll’ systems, many of which would dry out with age and sun damage and offered a low life expectancy. Today’s products are easier, safer and more cost effective than using a hot bitumen pot to roll out regular felt.

Torch on felt bitumen system technology includes SBS (styrene-butadiene systrene) and APP (atactic polypropylene) modified torch-applied roofing systems. SPS is generally easier to install as it requires less heat. The felts are sold as a roll and applied using a blow torch which melts the back of the felt onto the surface. Systems are available in a choice of colours, to best suit a project.

Which is the best torch-on felt roofing system?

To assess the best torch-on felt roofing system, you would need to be able to compare systems on an identical project over a period of time. Whilst we don’t have that information, we do recommend using a proven product from a leading manufacturer.

Roofing Superstore’s best-selling torch on felt solution is made by roofing specialists, IKO.

How to apply a torch on felt roofing system for optimum results

When applying a torch on felt roofing solution, our experts recommend a three layer system. This follows guidelines which contribute to guarantees. A three layer system will also optimise the life expectancy of the roof. The three layer system comprises the following:

  1. Venting layer – perforated underlay
  2. Underlay – 2mm
  3. Mineral cap sheet – 4mm

The IKO Ruberoid SBS Turbo Torch has the added advantage over other torch-on felt products as the modified bitumen melts faster for quicker application. It also then cools faster to peak bonding strength reducing any foot marks or potential slumping. Using our gas torch kit with this IKO felt will give you the best results, guaranteeing high performance and longevity.

As an alternative, Roofing Superstore’s own brand SBS Fast Torch Plus torch-on felt brings fantastic value and excellent performance. The reinforced felt increases the waterproofing capabilities of this product plus it’s both rot proof and has high elasticity for use in awkward dimensions. We recommend using our gas torch kit as it’s compatible with both felt options.

Applying torch on felt involves a naked flame and materials melted at high temperatures. Because this is a hazardous job, it requires high-level safety measures. Application must conform to UK Building Regulations. The project should also be completed in accordance with the relevant Codes of Practice and British Standards (includes BS 8747:2007, BS 8217:2005, BS6229:2003, BS 5250:2011 – correct at time of publishing). For anyone considering a project of this nature without the necessary skill set, safety precautions or insurance cover, we recommend contacting a professional.

For more information on these products, contact us here or use our live chat in the bottom right hand corner to speak to us!

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