The starting point involves laying roofing joists across the two upright items which in most cases will be the walls of the structure.
Flat roofing process.
That will help you remember certain factors and details to build the best possible flat roof.
Just enough slope to drain water but also flat enough to be a problem if not constructed properly.
Bur consists of many layers.
The goal of this article is to help building owners architects and contractors decide which commercial roofing options are right for each unique project.
What is the process of building a flat roof.
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.
The basic construction process.
A bottom layer or two of insulation board multiple intermediate layers of tar or asphalt alternated with layers of roofing felt and a top layer of gravel.
Most standard epdm membranes are 1 2 millimetres 0 047 in thick and 15 by 30 metres 49 by 98 ft max.
Use a measuring tape to measure the length and width of your flat roof.
Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot.
Built up roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed.