Flat Roof Extension Detail

There is also the scope to incorporate a green roof onto the flat structure.

Flat roof extension detail.

When done properly a flat roof looks modern in addition to being. 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. 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. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal.

So any timber joists that are used need to be strong enough to support this weight. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. In fact many residences have sections of flat roof on porches balconies garages and room extensions which appear so attractive. There are many flat roof designs to inspire your extension project which you can find in books magazines and online.

As you may imagine there is a fair amount of weight involved here in terms of boards felt etc. They are usually advisable for additional or necessary extensions of the house as future plans during the initial construction. 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.

Flat roofs are an often lower cost and easier to install alternative to traditional pitched roofs. What pitch is a flat roof. 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. Creating a flat roof can be completed as either a diy weekend project or by a professional contractor.

It must provide adequate protection against the elements keeping the buildings structure and interior dry. Flat roof construction for residential. Sizes of joists needed for flat roof construction. As opposed to old built up felt roofing with joins new single ply waterproof membranes are now most commonly used.

Use this flat roof resource for finding the best design and cost for a well constructed addition to your unique residence. A flat roof must be strong durable and stable throughout its lifetime. They are common on extensions garages and commercial buildings. What is a flat roof.

Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. In reality it will look nicer and is the simplest type to use as extension to the. Old asbestos roofs are often replaced with flat roofs. Flat roof designs for extensions.