All mbc passive roof systems deliver a u value of 0 10w m2k.
Timber frame flat roof green detail.
Green roofs have been gaining in popularity over the last few years and can be easily seen in most cities and villages.
There are two main types of green roof.
Accredited construction details quinn building products junction designs to combat thermal bridging thermal bridging is a much talked about but little understood phenomenon in building design.
Intermediate floor joist parallel 4 3.
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.
Notes from the building regulations on roofs.
Dormer in perspective view 3 12.
Parapet detail joists perpendicular 3 13.
Fink truss attic truss the vaulted roof and the flat roof.
It dealt in detail with flat roof constructions and can be regarded as one of the first guidelines for such roofs fig.
Timber frame flat roof detail.
Flat roofs are always built at a slight incline at least 1 8 inch per foot.
Introduction to green roof details a green or living roof is a flat or low pitched roof with a layer of.
When framing a flat roof you will need to create a slight incline.
This will help you create a flat roof framing plan.
Supplied as a complete system this type of roof can be built using a only 50mm soil base and lightweight construction.
Flat roof joist and decking 3 10.
4 green roof 3.
Thermal bridges occur at all junctions in the building as well as when penetrations of the thermal insulation envelope occur.
2 ply rigid plastic.
The main diagram below shows how the three passive elements roof wall and foundation link together.
However vegetation for this type of roof is limited to sedum grasses and mosses contained within a sedum blanket.
The individual roof type diagrams show the detail associated with each roof type.
Dormer in section 3 11.
Parapet detail joists parallel details in section 4.
Timber frame flat roof detail.
You can do this with a foam layer that exactly fits your roof.
Thermal bridges can account for 35 50 of overall fabric.
Some roofs actually slope in several directions ensuring optimal water runoff.