The H1 insulation standard changes introduced in November 2025 are now in effect.
Check out our May EBOSS article for the summary of the key updates, along with information about Mammoth Insulation’s free modelling and calculation service - a comprehensive solution that evaluates H1 requirements, insulation build-ups and project costs to help achieve the best outcome for every build.
Read our latest May EBOSSNow Feature story today.
