![]() While this is one of the most reliable flat roofing solutions, it can be dangerous. However, for sheds and garages, only two may be required. If you’re using the torch-on method for a habitable area of a home, building requirements stipulate the use of all three layers. Traditionally, these layers are made up of a vapour control sheet, reinforced felt and a cap sheet with a mineral finish. ![]() Torch-on felt sees three layers of bitumen felt melt-welded onto the roof with a blow torch, creating a waterproof seal. While torch-on felt is one of the quickest and most reliable flat roof installations, self-adhesive roofing felt is easier to apply yourself – you’ll find advantages and disadvantages to each roofing felt. There are many factors that can influence your decision, including whether you’re installing the roof yourself and the size of the project. There are three types of roofing felt to consider for a roofing project torch-on felt, self-adhesive felt and shed felt. What are the alternative options to using roof felt?.What’s the difference between number 15 and number 30 roof felt?.What are the disadvantages of roofing felt?.What are the advantages of roofing felt?.With a lifespan of around 30 years and a mid-tier price point, it’s a solid choice for flat roofs and is suitable for some sloped roofs too. ![]() It’s made from a mixture of bitumen, fibrous membrane and sand it can be applied using two different techniques. Roofing felt keeps flat roofs watertight and has been used for over 100 years.
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