Wall Insulation Calculator
Calculate rigid wall insulation board quantities from wall area.
Wall insulation for a 2m by 2.5m wall
For a wall measuring 2 metres by 2.5 metres, this estimate includes insulation boards and coverage with wastage using the default board sizes below.
- Wall area5.00 m²
- Insulation boards11
- Coverage with wastage5.50 m²
Results - Wall Insulation Calculator
- Wall area5.00 m²
- Insulation boards11
- Coverage with wastage5.50 m²
Wall insulation notes
This gives a straightforward board quantity for internal or external insulation boards based on the wall area being covered.
Popular sizes
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Pre-filled calculator pages help visitors jump straight to a useful estimate and then refine the result if needed.