How To Construct A Flat Roof

There are several methods and materials for the design of the exterior surface of a warm or cold flat roof.

How to construct a flat roof.

The cheapest and simplest solution is to construct a warm roof. Cheaper to construct than pitched roofs and need less material to cover the same span. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. To build a roof start by deciding whether you want to put up a flat or pitched roof on your building.

Sizes of joists needed for flat roof construction. Taking into consideration that you will be working at some height it is advisable to use at least two ladders and to have a helper as lifting the timber into place will take two sets of arms. Materials for felting a flat roof. Next measure the area and make calculations so you know how much of your chosen materials to buy.

As with the construction of any type of roofing system it s crucial to understand the correct process and essential criteria involved in flat roofing construction. Of course you don t need to live in a modern house to deal with a flat roof. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. For that reason cold flat roof construction needs to keep in mind the need for unblocked airflow.

In the past low quality insulation inadequate materials and poor workmanship left flat roofs with a reputation for water pooling and substandard performance. There are three main choices. While felting a flat roof is not a particularly complex project it does require some patience and perseverance to make sure that the felt goes on smoothly and evenly. How to make a flat roof have a pitch general steps obviously you shouldn t do the work all by yourself.

How exactly a fall is built in largely depends on how the flat roof is built. How to build a flat roof. You can also use the knowledge you gain to evaluate prospective roofing contractors. This is a good diy weekend project requiring only a few basic materials.

Purchase your materials including prefabricated trusses plywood covering and roof tiles. Old asbestos roofs are often replaced with flat roofs. As you may imagine there is a fair amount of weight involved here in terms of boards felt etc. Hot tar and gravel.

Flat versus pitched technically a flat. The 3 most common materials used for flat roof construction. The reason we included this section is to give you a good idea of how to build a sloped roof over a flat roof. So any timber joists that are used need to be strong enough to support this weight.

That way you know the process.