Flat Roof Extension Construction

Flat roof types.
Flat roof extension construction. It is the standard method employed on flat roofed extensions but it is rarely used for new builds today. There are several methods and materials for the design of the exterior surface of a warm or cold flat roof. To use a pitched roof in these circumstances would mean adding roof valleys or box gutters and make draining the roof difficult and expensive. A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less.
Moreover the costs of a flat roof extension today are typically lower than for a pitched roof. Unlike traditional building roofs which angle steeply down to collect and deal with water in a guttering system a flat roof extension simply uses a flat roof with a slight angle that can also deal with drainage and water control well. In general a warm roof is preferable from a construction angle but it does lead to a higher roof profile which isn t always acceptable. Flat roof construction how to build a flat roof roofing kits design and planning advice.
It must provide adequate protection against the elements keeping the buildings structure and interior dry. As opposed to old built up felt roofing with joins new single ply waterproof membranes are now most commonly used. See more ideas about flat roof extension roof extension flat roof. What is a flat roof.
The flat roof extension is more on trend than it once was and is free of the dreaded leaks that haunted this type of structure in the past. Hot tar and gravel. The 3 most common materials used for flat roof construction. Flat roof structures offer numerous advantages from design and material options through to cost.
They are common on extensions garages and commercial buildings. What is a flat roof extension. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. When it comes to flat roof extensions the name gives away a lot.
Flat roof construction design flat roof construction detail flat roof construction detail dwg flat roof construction details australia flat roof construc. Sep 26 2019 explore sm jones architecture ltd s board flat roof extensions on pinterest. 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. Take inspiration from the ideas above to create an aesthetically pleasing extension for your unique home.
Flat roofs are an often lower cost and easier to install alternative to traditional pitched roofs. Of course you don t need to live in a modern house to deal with a flat roof.