Flat Roofing Process

The basic construction process.

Flat roofing process.

Just enough slope to drain water but also flat enough to be a problem if not constructed properly. The starting point involves laying roofing joists across the two upright items which in most cases will be the walls of the structure. Bur consists of many layers. 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.

There are key differences between constructing a flat roof compared to a pitched roof and it s important to understand the basic criteria. The goal of this article is to help building owners architects and contractors decide which commercial roofing options are right for each unique project. That will help you remember certain factors and details to build the best possible 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.

Measure your roof and select an appropriately sized epdm membrane. What is the process of building a flat roof. 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. 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.