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Flat roof extension construction.
Flat roof types.
A flat roof must be strong durable and stable throughout its lifetime.
To use a pitched roof in these circumstances would mean adding roof valleys or box gutters and make draining the roof difficult and expensive.
Flat roofs are an often lower cost and easier to install alternative to traditional pitched roofs.
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.
There are several methods and materials for the design of the exterior surface of a warm or cold flat roof.
They are common on extensions garages and commercial buildings.
Of course you don t need to live in a modern house to deal with a flat roof.
Moreover the costs of a flat roof extension today are typically lower than for a pitched roof.
As opposed to old built up felt roofing with joins new single ply waterproof membranes are now most commonly used.
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.
What is a flat roof extension.
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Sep 26 2019 explore sm jones architecture ltd s board flat roof extensions on pinterest.
The 3 most common materials used for flat roof construction.
A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less.
What is a flat roof.
It must provide adequate protection against the elements keeping the buildings structure and interior dry.
Hot tar and gravel.
Flat roof structures offer numerous advantages from design and material options through to cost.
When it comes to flat roof extensions the name gives away a lot.
Usually however a flat roof is constructed when an extension butts up to an existing building.
Flat roof construction how to build a flat roof roofing kits design and planning advice.
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 roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.
It is the standard method employed on flat roofed extensions but it is rarely used for new builds today.
