Loft
m
m
mm
mm
mm
270 mm of mineral wool is the usual UK recommendation.
Rolls
Roll sizes vary by brand: check the coverage on the pack. Keep the eaves clear for ventilation.
mm
m²
mm
m²
%
Display
Rolls to Buy
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Loft Area
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Depth to Add
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Between Joists
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Across Joists
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Final Depth
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Breakdown
| Item | Quantity | How it is worked out |
|---|