Floor Insulation Calculator
Calculate rigid floor insulation board quantities from total floor area.
Floor insulation for a 4m by 1.2m floor
For a floor measuring 4 metres by 1.2 metres, this estimate includes insulation boards and coverage with wastage based on the default board sizes below.
- Floor area4.80 m²
- Insulation boards10
- Coverage with wastage5.28 m²
Results - Floor Insulation Calculator
- Floor area4.80 m²
- Insulation boards10
- Coverage with wastage5.28 m²
Floor insulation notes
This estimator gives a practical board count for rigid floor insulation sheets based on total floor area and board size.
Popular sizes
Popular pre-filled calculator pages.
Pre-filled calculator pages help visitors jump straight to a useful estimate and then refine the result if needed.