Loft Insulation Calculator

Calculate loft insulation coverage and number of rolls from total loft area.

Loft insulation for a 6m by 6m loft

For a loft measuring 6 metres by 6 metres, this estimate includes loft insulation rolls based on the default roll coverage and target depth below.

  • Loft area36.00 m²
  • Insulation rolls3
  • Installed depth270 mm

Results - Loft Insulation Calculator

  • Loft area36.00 m²
  • Insulation rolls3
  • Installed depth270 mm

Loft insulation notes

This estimator helps with roll count and total installed volume for a typical loft insulation upgrade to modern domestic depths.

Disclaimer

Material quantities shown are estimates for guidance only. Although typical UK wastage and compaction allowances have been included, actual requirements may vary depending on site conditions, installation methods, and material differences. Please confirm quantities with your installer or supplier before ordering. We accept no liability for inaccuracies, financial loss, or delays arising from the use of these estimates.