Loft Insulation Roll Calculator
Mineral-wool roll count for loft insulation to UK 270 mm building-regs depth.
Result
- Roll coverage
- 6.84 m²/roll
- Rolls (between joists)
- 8
- Rolls (cross-laid)
- 8
- Total rolls for 270 mm
- 16
Insulation calculators
Loft and cavity insulation roll counts to UK/EU building-regs depths.