Select Country
U-Value -Calculator

U-Value -Calculator

U-Value Calculator

U-Value is important to provide you information on the energy efficiency of your building or home. 

The U-Value is also known as thermal transmittance,  and measures the heat flow through building elements. Its unit of measurement is W/m2K.

The ROCKWOOL U-Value Calculator incorporates BIM. It also allows you to quickly calculate the thermal performance of walls, ceilings and roofs, with around 290 pre-determined calculations.

Using the selection boxes below, please work your way through the options to calculate the desired U-Value calculation result. You can also download the BIM object for the whole build-up in IFC & Revit formats.