Observed arrival · 2026-11-15
A cut list for insulating the garden shed
A UK-focused calculator estimates insulation, battens, membrane and lining for a shed, with a step-by-step guide to the job.
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- For
- UK shed owners planning insulation
- Worth noticing
- The cut list says it reuses offcuts before starting another board; results can also be copied as CSV or printed as a build sheet.
Field notes
The interface offers both feet-and-inches and millimetres, and lets users drag doors or windows between walls before reviewing the shed as a 3D model or flat plan. The guide says to repair leaks and draughts first, and describes a 25 mm or larger air gap between cladding and insulation. The page identifies its calculation method as BS EN ISO 6946:2017.
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