Loft & Roof Insulation Calculator

Try our free online Loft & Roof Insulation Calculator to ensure you know exactly how much of our high quality loft insulation materials you need.

Loft Insulation Calculator
  1. What is the approximate size of your loft? m x m
  2. Which insulation product would you like to use?
    These are the standard sizes we offer on our Isover Spacesaver Rolls.



Number of rolls required: