Welcome to the ROCKWOOL U-value calculator. Please complete the quick registration process to access and save the calculations, or if you already have an account, log in using your details.
Using the selection boxes below, please work your way through the options to calculate the desired U-value and produce your calculation results. You can also download the BIM object for the whole build-up in IFC format.
If you need any support during the process, or you need a bespoke U-value calculation, please contact our technical support team on
technical.solutions@rockwool.co.uk and they’ll be happy to assist.