Warm Pitched Roof Design

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 design.

A pitched or slanted roof has a terrain of at least 15 but it is often much more. It has s insulation layer above the rafters and immediately below its weatherproof membrane. On pitched roofs the definition of warm or cold can relate to the entire space below the pitch of the roof but above the ceiling. 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.

A major factor influencing the design of pitched roofs with insulation at ceiling level is the type of roof tile underlay chosen. A warm roof building will make the entire structure of the building warm in an attempt to avoid any cold bridging. See our pitched roof ceiling level insulation solutions. A warm roof construction has many benefits over a traditional cold roof essentially it is a breathable roof.

However warm moist air by its very nature will always find the passage of least resistance so the use of roof membranes and ventilation will effectively manage the small. This means that the roof space is at close to outside air temperature. Pitched or sloping roof. This means that a warm roof might be one in which the insulation is installed in line with the rafters rather than above the roof structure so that the space under the pitch ie a loft attic or other space.

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 has the. Whether you re designing a contemporary self build or renovating a dated traditional style property these examples will give you plenty. A pent roof can refer to any roof type that is below and detached from the top roof.

Insulating the roof above the rafters is known as warm roof insulation as the rafters are brought into the insulated envelope of the building. However it is often one of the most overlooked aspects of a house even though it is one of the first things you see. Flat roofs are usually made of variations of bitumen felt and function as durable long lasting roofs that are perfect for water run off in wet weather and protect wood and cement from potential build ups of damp and dry rot. There are two basic categories of roof design.

The roof needn t be purely functional as well as a means of keeping your home warm and dry it can be an architectural feature too. Pitched roof rafter level. Pent roofs are very much like an awning for lower floors designed to keep precipitation at that level away from the house. The idea behind a vapour control layer is to install it on the room side of the insulation so it blocks the passage of warm moist air rising into the pitched roof structure.