Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls.
Timber flat roof fascia detail.
See more ideas about fascia roof edge roofing.
As the single ply roofing association spra points out this type of flat roofing is strong durable completely sealed and usually lasts at least 25 30 years.
Flat roofs are hard to replace.
But now flat roofs often are constructed with fewer layers because of improved waterproofing technology.
Double dome skylight composite base flashing.
The fascia board is the trim on a house that covers the ends of the roof rafters.
Soffit materials are similar and also include plywood.
Detail for attachment to metal panel siding or fascia.
A timber decking is then constructed and its weight supported by the joists.
The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls.
The construction of the flat roof is similar to that of the timber upper floor.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.
Having a manual for warm flat roof construction with details and a summary of rules to follow helps.
This could mean flat roofs may not raise the same red flags they used to.
You can also buy pvc and composite fascia or vinyl or aluminum fascia covers for wood.
For additional stability you can also use steel joists that are built into one or both of the walls.
Some observers suggest it s harder to replace a flat roof than a traditional pitched shingle roof because of the labor required to remove its layers especially on older flat roofs.
As opposed to old built up felt roofing with joins new single ply waterproof membranes are now most commonly used.
Load bearing or primary structure usually constructed in timber in a residential construction.
Cold roofs and warm roofs.
There are two types of flat roof.
The drip edge will be installed 1 8 proud of away or out from the furring strip in best practice or may be installed tight against the furring strip reduces the life of the furring strip by rot.
Nail thefurring strip to the fascia board near the fascia top tight under any extending of roof decking usually absent.
Flat roof joists spanning the shorter length of the roof form the load bearing members of the structure.
Redwood and cedar are common materials because they are rot resistant.
Flat roofing is a popular choice for garages homes garages extensions and many other types of buildings.
