In reality flat roofs should not be completely flat a slight gradient or fall should be built in to a flat roof to ensure drainage and prevent the ponding of water which is not only unsightly but can lead to more serious issues.
House roof construction uk.
Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings.
A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework.
Covers an overview of flat and pitched roofs.
Trusses are pre fabricated triangulated wooden structures used to support the roof.
Homebuilding renovating homebuilding co uk for more self build guides advice and inspiration visit https www homebuilding co uk in this video mat woo.
Covers pitched roof detail.
It is a waterproofing layer made of regular felt stacked above the solid.
Prev next w truss.
This house uses trusses for the roof framing.
Trusses are quite common these days because they have five big.
This is where the roof insulation sits directly on top of the timber structure thus keeping it warm and then the roofing membrane is laid over the insulation a cold roof places the insulation between the rafters underneath the ply roof covering.
Trussed roofs are available in fink truss and open or attic truss options detailed below.
Flat roof construction the vast majority of domestic flat roofs consist of timber rafters and a timber roof deck.
The cheapest and simplest solution is to construct a warm roof.
The alternative is to build up the roof s frame with 2x8s and 2x10s.
Covers flat roof materials and flat roof construction of warm and cold roofs.
Part 4 flat roof construction.
How house construction works.
Part 1 a guide to roof construction.
Part 3 pitched roof detail.