Flat Roof Extension Detail

So any timber joists that are used need to be strong enough to support this weight.

Flat roof extension detail.

In fact many residences have sections of flat roof on porches balconies garages and room extensions which appear so attractive. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. As opposed to old built up felt roofing with joins new single ply waterproof membranes are now most commonly used. Sizes of joists needed for flat roof construction.

When done properly a flat roof looks modern in addition to being. 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. Flat roofs are exceedingly popular with those looking to create a cool modern home. It must provide adequate protection against the elements keeping the buildings structure and interior dry.

A flat roof must be strong durable and stable throughout its lifetime. There is also the scope to incorporate a green roof onto the flat structure. Use this flat roof resource for finding the best design and cost for a well constructed addition to your unique residence. What is a flat roof.

Flat roof construction for residential. What pitch is a flat roof. Flat roof designs for extensions. Of course you don t need to live in a modern house to deal with a flat roof.

A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less. They are common on extensions garages and commercial buildings. There are many flat roof designs to inspire your extension project which you can find in books magazines and online. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span.

For first time homeowners it s typical to hire a professional contractor who can complete the flat roof installation for you and offer a full warranty for their work. Flat roof construction design flat roof construction detail flat roof construction detail dwg flat roof construction details australia flat roof construc. As you may imagine there is a fair amount of weight involved here in terms of boards felt etc. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.

Creating a flat roof can be completed as either a diy weekend project or by a professional contractor. Old asbestos roofs are often replaced with flat roofs. Flat roof options help to free up internal space and are often cheaper that pitched roof options as they require fewer materials to cover the same roof span. They are usually advisable for additional or necessary extensions of the house as future plans during the initial construction.