Cold Pitched Roof Build Up

However cold roof insulation on an existing flat roof system is anything but simple.

Cold pitched roof build up.

Inclined along the line of rafters warm roof or positioned within the roof structure to form an insulated void room in roof which can result in warm and cold roof areas. The construction build up for this can be seen on our online u value calculator. A pitched or slanted roof has a terrain of at least 15 but it is often much more. In pitched roof construction thermal insulation can be placed horizontally at ceiling level cold roof.

Cold roof designing buildings wiki share your construction industry knowledge. Cold pitched 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. 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.

Warm roof insulation ensures the entire roof structure is insulated meaning a warm deck roof is more energy efficient than a cold roof. A cold flat roof insulation requires more work taking off old boards and replacing them and the roof surface. Warm cold and inverted. Pitched or sloping roof.

The wooden rafters conduct heat much more than insulation which means you end up with something called thermal bridging. Cold roof voids are typically required to be ventilated. In this case we would suggest fitting kooltherm k7 pitched roof board between the rafters and kooltherm k118 insulated plasterboard to the inside face of the rafters. There are three recognised designs of flat roof construction.

The breakdown warm roof vs cold roof.