Flat Roof U Values Building Regulations

Consequently the higher the u value the more heatloss you have in the home.

Flat roof u values building regulations.

Building regulations standards and u values. 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. The tables below show the suggested u values in england wales and scotland.

Therefore the less heatloss. Insulation for walls including cavity walls solid walls and timber or steel framed walls. 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 flat roofs pitched roofs and balconies and terraces.

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

These are expressed as a u value which needs to be achieved. Get a u value calculation from our free online u value calculator or our technical department. Make sure your comply with flat roof 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.