The asphalt coverings have two layers of felt in a combination with molten asphalt then it is topped using a coating of gravel.
Flat felt roof life expectancy.
Epdm rubber flat roof life expectancy is between 40 50 years but some epdm rubber roofs have been known to last for even longer.
A upvc flat roofing system is more than just a cost it is an investment that you and your home will benefit from for the rest of your life.
Typically a built up roofing system or a single layer torch on system may be applied on to a built up felt or mastic asphalt roof.
Flat roofs the lifespan of a flat roof depends on the material covering it.
So if your felt flat roof is in need of replacement don t panic.
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.
At rubber 4 roofs we offer epdm flat roof materials which have a life expectancy in excess of 50 years.
It is strong and durable with an expected lifespan in excess of 30 years.
Asphalt coverings use layers of felt combined with molten asphalt and topped with a coating of gravel.
Flat roof life expectancy.
Correctly installed and maintained they can last in excess of 25 years and in refurbishment applications provide savings of up to 70 per cent on roof replacement costs.
Another option would be the rubber.
It depends on the quality of materials used the installation technique and the maintenance of the roof.
Specify falls greater than the absolute minimum recommended 1 40 rather than 1 80 to allow for variations in construction and to avoid ponding.
It s also worth noting that the climate of your area will affect your epdm rubber flat roof life expectancy.
Average flat roof membrane life span.
There are many different types of flat roofs that have been used in the last few decades.
Which is a less expensive option on flat roofs and only lasts around 10 years.
Liquid waterproofing systems such as hydrostop ah 25 can extend the life expectancy of flat roofs minimising waste and reducing the need for virgin materials.
With a reliable and durable construction and a permanently flexible design this type of flat roofing material is made to be able to withstand all kinds of weather conditions including extreme weather cycles changing climates plus protection from the acids found in rainwater and constant.
The good news is that most of the damage that your roof can suffer from is easily prevented by following some simple tips and advice.
A flat roof s lifespan will depend on the materials used to cover it.
Felt is a traditionally used material on many flat roofs.