Flat Roof U Values Building Regulations

Insulation for flat roofs pitched roofs and balconies and terraces.

Flat roof u values building regulations.

Greek revival style apartment building benefits from. U values are important because there are certain standards according to the building. 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. These things will affect the timing cost and overall running of your project.

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. Get a u value calculation from our free online u value calculator or our technical department. A lower u value indicates better insulation properties hence u value requirements usually specify a maximum value. 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.

The lower the u value the more insulation there is in a building element e g a floor ceiling or wall. The tables below show the suggested u values in england wales and scotland. 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. Therefore the less heatloss.

U value of a flat 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. Make sure your comply with flat roof building regulations.