Covers an overview of flat and pitched roofs.
Pitched warm roof construction details.
One pitched roof construction method is a cut roof method.
Covers pitched roof materials basic pitched roof designs cold and warm pitched roofs and pitched roof construction.
Warm pitched roof construction when used in roofs tyvek and airguard membranes provide optimal protection of the thermal insulation and reduce the risk of interstitial condensation enhancing the energy efficiency of the building.
A typical roof pitch in the uk for a traditional house will be 40 50 but at most it can go up to 70.
A pitched or slanted roof has a terrain of at least 15 but it is often much more.
This can be determined by the size of the timbers or the size of the roof.
This is more of a traditional manner in regards to cutting the timber while onsite and building up the roof by the use of rafters ridge boards joists and purlins among others.
Covers pitched roof detail.
In a warm pitched roof construction the thermal insulation is placed in the rafter line.
Warm pitched roof a warm roof building will make the entire structure of the building warm in an attempt to avoid any cold bridging.
The insulation is fixed either between the rafters or above or under the rafters in varying combinations.
Part 4 flat roof construction.
It has s insulation layer above the rafters and immediately below its weatherproof membrane.
Alternatively it can be positioned between the rafters or partially between and below the rafter.
The thickness of insulation will vary depending.
Covers flat roof materials and flat.
A warm roof construction is used when the roof space is used for storage or as part of the building itself.
Part 4 flat roof construction.
Insulating a pitched roof above the rafters is the common method chosen for new builds and re roofing existing detached buildings as it provides superior thermal performance for the building.
The advantage of this system is that the roof space will be warmed by heat rising from the rooms below.
The position of the insulation can be wholly above or partially between and above the rafter.
The battening and tiling is then fixed down over.
Part 3 pitched roof detail.
Part 2 pitched roof construction.
Covers flat roof materials and flat roof construction of warm and cold roofs.
Insulating the roof above the rafters is known as warm roof insulation as the rafters are brought into the insulated envelope of the building.
Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings.
Warm deck pitched roof the insulation is placed over the rafters and then a felt is placed on top.
Part 3 pitched roof detail.
Covers pitched roof detail.
An architect makes the usual decision of the pitch.
