Pitched Warm Roof Construction

Detailing a low pitch eaves the lower the roof pitch the more difficult it becomes to construct an effective eaves system particularly where roofspace ventilation is required.

Pitched warm roof construction. In a warm pitched roof construction the thermal insulation is placed in the rafter line. Warm deck pitched roof the insulation is placed over the rafters and then a felt is placed on top. This can be determined by the size of the timbers or the size of the roof. The position of the insulation can be wholly above or partially between and above the rafter.

An architect makes the usual decision of the pitch. 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. Part 4 flat roof construction.

Warm pitched roof a warm roof building will make the entire structure of the building warm in an attempt to avoid any cold bridging. Covers an overview of flat and pitched roofs. Covers pitched roof detail. A pitched or slanted roof has a terrain of at least 15 but it is often much more.

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. It has s insulation layer above the rafters and immediately below its weatherproof membrane. Part 3 pitched roof detail. Part 1 a guide to roof construction.

It can be inclined above between or below the rafters forming a warm or hybrid roof or positioned in the roof structure in different ways where a room in roof is to be created that can result in warm and cold roof construction types. A typical roof pitch in the uk for a traditional house will be 40 50 but at most it can go up to 70. The battening and tiling is then fixed down over. In pitched roof construction the insulation can be placed horizontally above the ceiling level forming a cold roof.

The thickness of insulation will vary depending. Roof covering 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. 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. Covers flat roof materials and flat roof construction of warm and cold roofs.