Pitched Warm Roof Construction Details

Insulating the roof above the rafters is known as warm roof insulation as the rafters are brought into the insulated envelope of the building.

Pitched warm roof construction details.

This is where you consider the ventilation and sealing of the roof. Covers pitched roof materials basic pitched roof designs cold and warm pitched roofs and pitched roof construction. Part 3 pitched roof detail. A cold deck roof is where the insulation is placed between the joists rafters or in between the ceiling joists in the case of a pitch roof.

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. Introduction warm cold roofs this guidance offers guidance on the difference benefits between warm and cold roofs. Covers flat roof materials and flat roof construction of warm and cold roofs. In building construction roof pitch is a numerical measure of the steepness of a roof.

For example in the areas of high snowfall and rainfall the roof pitch can be significantly longer as this will allow the snow to fall off the roof the roof. Part 1 a guide to roof construction. Part 4 flat roof construction. The pitch of the roof is decided based on the weather conditions.

Another aspect of construction to consider is a warm pitched roof construction. Ventilation is required for these roofs. Covers flat roof materials and flat. Warm roof and cold roof construction is also seen in flat roofs discussed later in our flat roof detail article.

There are many benefits to this type of construction including making a home more energy efficient and minimizing the thermal bridge at the eaves. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings. In a warm pitched roof construction the thermal insulation is placed in the rafter line. With the potential of additional living space a cathedral roof design or a conditioned roof void are rapidly becoming the preferred choice of pitched roof construction in the uk.

Part 3 pitched roof detail. Covers an overview of flat and pitched roofs. A warm roof building will make the entire structure of the building warm in an attempt to avoid any cold bridging. Different materials are used in the construction of a roof but usually the finishing is done by using roof tiles.

Roof eaves detail masonry cavity wall ventilated cold roof insulation between and over ceiling joists. Covers pitched roof detail. Part 2 pitched roof construction. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings.

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 pitched roof detail. The following images provide examples of pitched roof details.