Cold Roof Construction Uk

Installing a warm roof can be extremely straight forward and simple to do.

Cold roof construction uk.

Cold roof a cold roof is roof in which the thermal insulation layer is located between the ceiling joists meaning that everything above the insulation such as the rafters and any roof space will be colder than the living space below it. Which makes sense as this space is otherwise empty and so it s a simple low impact way to insulate a roof. As the insulation is not required to take any loads quilts and other loose fill materials can be used as well as rigid insulation. Part 4 flat roof construction.

Covers pitched roof detail. This video shows the key features of a flat roof cold deck construction and how to draw the details to a scale of 1 10. Part 3 pitched roof detail. With traditional cold pitched roof construction more insulation often means more interstitial and surface condensation too a danger that is aggravated by precipitation and wind.

When we talk about a warm roof vs a cold roof what we re really talking about is the insulation of the flat roof. Part 2 pitched roof construction. Basically there are two options to choose from when insulating a flat roof. Well a cold roof is created by laying insulation between the rafters.

This allows air to circulate. Cncd 053 v1 5 7 2019 warm deck roof a warm deck roof is where the insulation is placed on top of the rafters joists and the roof covering is then placed over the insulation. Although not recommended today and actually banned in scotland until recently cold flat roofs were fairly common. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings.

A cold roof design usually leaves a 50mm gap between the top of the insulation and the roof deck above. Covers pitched roof materials basic pitched roof designs cold and warm pitched roofs and pitched roof construction. Guidance advice on warm cold roofs www cncbuildingcontrol gov uk. Covers flat roof materials and flat.

Tyvek and airguard membranes minimise interstitial and surface condensation in cold pitched roof construction while helping to ensure optimal energy efficiency.