Types Of Roofing Felt For Flat Roofs

Built up felt roofing consists of two to three layers of bitumen sheet that have been bonded together using either hot bitumen or adhesive.

Types of roofing felt for flat roofs. Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. Roofing felt is one of the oldest available options and advances made in the past decade or so have begun to move more towards the torch on approach. Built up roofs are installed using several layers of a special type of roofing felt that has been asphalt impregnated and embedded in bitumen applied with a hot mop. But what some may not know is there s another layer of protection directly on top of the roof deck and under the roof covering that performs a critical role in protecting your home from moisture damage.

This is a question i get asked a lot and to be honest there isn t a right or wrong answer but there is sometimes a type of flat roof that would suit a flat roof of a particular size shape detail level or budget. The hot applied asphalt or coal tar pitch blends with the bitumen soaked roof felt and creates a monolithic roof membrane. Bitumen felt flat roofs are affordable in price and provide a great waterproofing result. Suitable for small garages to large warehouses felt roofing remains a popular cost effective choice.

What is the best flat roof or roof material for flat roof replacement. Below you will find three price examples for both single and double garage roofs these are the most common types of flat roofs in the uk so use these figures as a starting point. With an average life expectancy of 15 to 30 years flat felt roofing is economical but has a tendency to crack as it ages and the temperature changes. Also known as glass reinforced plastic grp fibreglass flat roofing is quick.

The longevity of the roof depends on the quality of the materials used. Roofing felt is essential to ensure your outbuilding is ready for all weathers by providing a waterproof cover to the building s roof. There are many different types of flat roofing systems available each one with their own pros and cons. Best flat roofing materials flat roofs compared.

All three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof. This type of flat roofing felt has been in use for decades and is still used today. 1 built up torchon felt system. Ideal for an apex flat or pent roof shed felt and roofing membrane are durable and perfect for a newly built structure or to re cover existing roofing material.