Flat Roof Of A Building

What is a flat roof.

Flat roof of a building.

With a flat roof the ceiling is the same height all the way across. There is also the scope to incorporate a green roof onto the flat structure. The steels or rsj s rolled steel joists are often built into one or both walls to give added stability to the roof structure. Flat roofs are an often lower cost and easier to install alternative to traditional pitched roofs.

Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. On a basic level flat roof construction comes in the form of roofing timbers or joists as they are more commonly known or steels that are laid across two uprights walls in most cases. This can make it difficult to utilize the space since most people have to duck towards the edges of the room. Of course you don t need to live in a modern house to deal with a flat roof.

Flat roofs are exceedingly popular with those looking to create a cool modern home. Used commonly on large buildings and outbuildings the flat roof has its own special set of needs and challenges. As opposed to old built up felt roofing with joins new single ply waterproof membranes are now most commonly used. Of all the different roof types for homes and buildings one of the most controversial is the flat roof.

They are common on extensions garages and commercial buildings. 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. What pitch is a flat roof.