Flat Roof U Values Building Regulations

Existing buildings do not require a target co2 emissions rate however they do require a target u value to meet for building elements walls floors and roofs.
Flat roof u values building regulations. The required u value will depend on the location of the project england scotland or wales type of building domestic or non domestic and the application floor wall or roof. The target u value for flat roofs on existing buildings other than dwellings are shown in table 4 below. Consequently the higher the u value the more heatloss you have in the home. Greek revival style apartment building benefits from.
U values are important because there are certain standards according to the building. To comply with part l of the building regulations 2010 all roofs to rooms except those in unheated buildings should be thermally insulated to a maximum u value of of 0 18 w m k. Insulation for walls including cavity walls solid walls and timber or steel framed walls. Therefore the less heatloss.
Sometimes the excitement of starting a new construction project or building venture can lead you to forget about the finer details such as planning permission and local building regulations. These are expressed as a u value which needs to be achieved. Make sure your comply with flat roof building regulations. A lower u value indicates better insulation properties hence u value requirements usually specify a maximum value.
The tables below show the suggested u values in england wales and scotland. Insulation for flat roofs pitched roofs and balconies and terraces. Get a u value calculation from our free online u value calculator or our technical department. Building regulations standards and u values.