What is the process of building a flat roof.
Flat roofing process.
Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot.
Just enough slope to drain water but also flat enough to be a problem if not constructed properly.
Bur consists of many layers.
To build a flat roof you ll want to have a thorough understanding of how the process of constructing the flat roof works and the different methods available.
Use a measuring tape to measure the length and width of your flat roof.
There are key differences between constructing a flat roof compared to a pitched roof and it s important to understand the basic criteria.
The starting point involves laying roofing joists across the two upright items which in most cases will be the walls of the structure.
The basic construction process.
Measure your roof and select an appropriately sized epdm membrane.
Most standard epdm membranes are 1 2 millimetres 0 047 in thick and 15 by 30 metres 49 by 98 ft max.
Built up roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed.
Today s variety of flat or low slope commercial roofing options roof pitches ranging from 12 to 3 12 is no longer simple and has grown considerably in the last 50 years.