Warm Pitched Roof Detail

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 detail.

In a warm pitched roof construction the thermal insulation is placed in the rafter line. Warm roofs offer a superior thermal performance and therefore come with a higher cost. Insulating the roof above the rafters is known as warm roof insulation as the rafters are brought into the insulated envelope of the building. 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.

A warm roof construction has many benefits over a traditional cold roof essentially it is a breathable roof. Pitched or sloping roof. Introduction warm cold roofs this guidance offers guidance on the difference benefits between warm and cold roofs. Installing a warm roof can be extremely straight forward and simple to do.

Ventilation is required for these roofs. With a warm roof the insulation is installed on top of the existing surface rather than in between the rafters. A pitched or slanted roof has a terrain of at least 15 but it is often much more. 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.

A warm roof building will make the entire structure of the building warm in an attempt to avoid any cold bridging.