Further information on specific waterproofing systems may be obtained from bs 8217 reinforced bitumen membranes for roofing code of practice the flat roofing.
Warm flat roof verge detail.
A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less.
Metal coping termination cad pdf cad dwg.
The vapour control layer is above the decking but below the insulation.
Warm roof to parapet outlet.
Warm roof to outlet.
Gutter drip timber wrap cad pdf cad dwg.
4 essentials for a successful flat roof like any part of a building s exterior flat roofs should be constructed to withstand natural and human forces with the minimum of attention.
A flat roof must be strong durable and stable throughout its lifetime.
If you have an existing cold roof in need of refurbishment it should be converted to a warm roof see sketch 1 to meet part l of the building regulations.
The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls.
The insulation can be adhered mechanically fixed or loose laid.
Warm roof to cable duct.
Parapet drain cad pdf cad dwg.
Flat roof construction can come in the form of a warm roof or cold roof depending on the requirement of the owner and architect as they relate to the building regulations regarding heat loss and insulation.
The following sketches show examples of typical common construction details and illustrate general principles.
Gutter drip trim with ps tape cad pdf cad dwg.
Mansard detail lead cad pdf cad dwg.
That will help you remember certain factors and details to build the best possible flat roof.
As well as the small selection of roof detail drawings shown here many of the building notes have a related construction detail drawing with specific dimensions eg rafter sizes spans insulations types for purchase with the building specifications.
Mansard detail drip trim cad pdf cad dwg.
The insulation is immediately below the waterproofing layer.
Warm roof to hot service penetration.
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This appendix contains common details for flat roofs and balconies.
It must provide adequate protection against the elements keeping the buildings structure and interior dry.
Warm flat roofs inverted flat roofs green flat roofs.
Additional construction details drawings.
Warm roof to coated metal drip edge.
Flat roof types.
A warm flat roof or a built up roof bur is one where all the insulation is above the joists deck making them part of the warm fabric of the building.
Having a manual for warm flat roof construction with details and a summary of rules to follow helps.
Flat roof under tiled roof termination cad pdf cad dwg.
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Warm roof to service penetration with pipe boot.