This is why most flat roofs use large squares or single sheets of materials.
Materials used for flat roofs.
In some cases a homeowner may choose an option such as a self adhering membrane residential roof system which offers the multi layer protection of a membrane roof with the traditional granule look of a shingled or built up roof.
In general materials used on flat roofs cost less than ones used on sloped ones.
Epdm rubber ethylene propylene diene monomer a common use is in vehicles.
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.
Therefore they make an environmentally friendly choice.
These roofing materials for flat roofs can be recycled.
Pvc is 1 90 per sq foot.
This may explain why only a few buildings these days don t use modified bitumen.
These materials are mostly made up of several alternating layers of bitumen and reinforcing fabrics roofing felts or ply sheets that form a roof membrane.
Door seals window seals trunk seals and sometimes hood seals the synthetic rubber is also used for flat roofs.
To maximize the performance of this roofing material skilled contractors are needed.
These roofs are installed as thin sheet materials 0 030 30 mils to 0 060 inches 60 mils thick and are applied to the roof in a single layer.
Epdm is 1 50 per sq foot making it the cheapest single ply membrane.
Here are various types of roofing materials for flat roofs.
Being made of synthetic rubber or polymer they are flexible and elastic and can handle temperature changes and some impact types better than built up roofs.
There are mainly three types of flat roof materials commonly used for flat roofs.
This video explain the three commonly flat roof materials used.
Built up roof bur membranes.
Modified bitumen and rolled asphalt roofs cost 1 30 2 20 per sq foot depending on the number of plies.
The three types of flat roofing materials are.