We have been repairing and replacing flat roofs across the region for years, and we would be delighted to extend our services to you, whether you need emergency or routine attention. Our flat roofing services are just one phone call away, and we can respond quickly and at a time to suit you.
What is Bituminous Felt?
Bituminous felt is a form of waterproof sheeting that is used to cover flat roofs, or as an underlay beneath slate or tile roofing. The substance itself is made from bitumen which comes from the distillation of crude oil that has been either mixed with sand or crushed limestone.This is then applied to a fibrous membrane which is typically made of fibreglass, polyester or hessian. An extra coating of sand or fine gravel can be added on top to improve the aesthetic appeal.
What are the Benefits of Roofing Felt?
Torch-on felt roofing has become increasingly popular in recent years – these are the main advantages of this method:
Installation: One of the main benefits of bituminous felt for professional contractors is ease of installation. The same can also be said about repairs which, while rarely required, can be seen to quickly and efficiently. Torch-on felt roofing is very much an all-year-round application as its installation cannot be affected by the temperamental British weather.
Durability: Whether you expect the roof to experience high levels of foot traffic, or very little at all, you will want it to stand the test of time. Felt roofing is a highly durable option that holds up well to UV rays and excessive heat during warmer periods of the year. This is equally true in wetter seasons. Limited foot traffic across a felt roof won’t cause any serious issues and it should not be pierced or damaged by any falling debris.
Value: Felt roofing always offers a great return on investment. While not the cheapest option on the market, the quality of its material allows it to provide real long-term value. Felt roofing is also not the most expensive option, so as a mid-tier solution it offers an affordable and cost-effective alternative. This can also be seen in the low-level maintenance required over time, which reduces the need for repairs and associated costs.
Versatility: While this article is concerned with flat roofing, the versatility of torch-on felt roofing must also be discussed, as it can be used on pitched or curved roofing if required. Therefore, it remains one of the most popular options on the market for numerous professional installation companies.
How to Install Roofing Felt
Follow the steps below to learn more the basics of roof felt installation and what is required before undertaking this type of roofing project:
Remove any debris that may interfere with the installation process.
Secure metal flashing at the edges of the roof before primer is applied. This will enable the felt to bond with it more easily.
The first bituminous membrane sheet should then be positioned onto the roof before being secured to the surface, typically using a nail gun.
The first layer of modified bitumen is then laid over the membrane before being cut to size to fit the surrounding area. The membrane used must have a polyester carrier to ensure good tensile strength.
Half of the bitumen is then rolled up before the flame torch can be used to fire into the underside. Take care to evenly heat the bitumen.
Once the bitumen is rolled back into position on top of the membrane, the two can begin to bond together.
The same process is repeated across the entire surface of the roof.
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