Flat Roofing Process

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.

The basic construction process. 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. Bur consists of many layers.

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. 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.

That will help you remember certain factors and details to build the best possible flat roof. 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. Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot.