R. Dalton Retrofit

Internal wall insulation — Airtightness membrane

Internal wall insulation

PhotographedSeptember 2024

Stages9

WorkInternal wall insulation, Airtightness, Ventilation and MVHR

The job

An upstairs room insulated and sealed on every surface — floor, walls and ceiling — then battened out and boarded.

How it went

Internal wall insulation — Ceiling membrane — 01Ceiling membrane

Internal wall insulation — Ceiling opened up — 02Ceiling opened up

Internal wall insulation — Wood fibre to ceiling — 03Wood fibre to ceiling

Internal wall insulation — Wood fibre boards — 04Wood fibre boards

Internal wall insulation — Airtightness membrane — 05Airtightness membrane

Internal wall insulation — Airtightness membrane — 06Airtightness membrane

Internal wall insulation — Airtightness membrane — 07Airtightness membrane

Internal wall insulation — Battens and boarding — 08Battens and boarding

Internal wall insulation — Boarded out — 09Boarded out

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Large room retrofit