Old asbestos roofs are often replaced with flat roofs.
Flat roof timber frame construction.
The roof is a key element of the building structure providing protection from the elements and has a vital role in reducing heat loss from the building.
So any timber joists that are used need to be strong enough to support this weight.
Finally feel like we are slowly getting back to an actual building.
It is still the roof material of choice for housebuilders and self builders irrespective of whether they are building in traditional or contemporary styles or whether they are creating pitched or flat roofs.
As you may imagine there is a fair amount of weight involved here in terms of boards felt etc.
The flat roof shown above shows warm deck roof construction.
Where a new flat roof abuts an existing external wall the joists can be hung on metal joist hangers which are fixed to a horizontal timber plate wall bolted to the wall.
It s been a couple of long days working solo to get it all up but it s rewarding stuff se.
So whether your new flat roof is to be made of timber concrete or felt or a combination of these materials you need to comply with flat roof building regulations.
Sizes of joists needed for flat roof construction.
These things will affect the timing cost and overall running of your project.
When installing or repairing a flat roof you must adhere to building regulations.
A cavity closer should be provided to the top of the walls to prevent fire spread and to stop damp air entering the roof space.
The fall of the roof is achieved by using firring pieces with a fall of 1 in 40.
In this type of construction the insulation is placed below the waterproof covering and on top of the roof deck and vapour barrier.
For additional stability you can also use steel joists that are built into one or both of the walls.
Timber roof designing buildings wiki share your construction industry knowledge.
Timber has been the traditional material for building roofs as far back as early saxon times and beyond.
The ceiling joists are used as the platform for the roof coverings.
Having a manual for warm flat roof construction with details and a summary of rules to follow helps.
3 06 timber frame timber flat roof 3 07 timber frame timber flat roof with parapet 3 08 timber frame lintel at window head 3 09 timber frame windows and doors jambs and cills specification within an example should 3 10 timber frame ground bearing floor insulation above slab 3 11 timber frame ground bearing floor.