In a warm pitched roof construction the thermal insulation is placed in the rafter line.
Pitched warm roof construction details.
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.
Warm deck pitched roof the insulation is placed over the rafters and then a felt is placed on top.
This means that the roof space is at close to outside air temperature.
The battening and tiling is then fixed down over.
This can be determined by the size of the timbers or the size of the roof.
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.
Warm pitched roof a warm roof building will make the entire structure of the building warm in an attempt to avoid any cold bridging.
Introduction to pitched roof details 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.
Cold and warm pitched roofs cold roof and warm roof difference.
An architect makes the usual decision of the pitch.
A typical roof pitch in the uk for a traditional house will be 40 50 but at most it can go up to 70.
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.
Roofs tend to be either pitched or flat and typically in residential construction timber is the most common material used.
One pitched roof construction method is a cut roof method.
In areas of high snowfall then the roof pitch can be much greater to allow the snow to fall off the roof rather than settle and build up on the roof.
The majority of houses with pitched roofs will have what is now called a cold roof where insulation is laid on the floor of the loft area immediately above the ceiling of the upstairs rooms of the house.
Insulating the roof above the rafters is known as warm roof insulation as the rafters are brought into the insulated envelope of the building.
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 position of the insulation can be wholly above or partially between and above the rafter.