Flat Roofing Process

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.

Flat roofing process.

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 starting point involves laying roofing joists across the two upright items which in most cases will be the walls of the structure. Built up roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed. Most standard epdm membranes are 1 2 millimetres 0 047 in thick and 15 by 30 metres 49 by 98 ft max.

The goal of this article is to help building owners architects and contractors decide which commercial roofing options are right for each unique project. Bur consists of many layers. Just enough slope to drain water but also flat enough to be a problem if not constructed properly. There are key differences between constructing a flat roof compared to a pitched roof and it s important to understand the basic criteria.

What is the process of building a flat roof. 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. That will help you remember certain factors and details to build the best possible flat roof. The basic construction process.