Layer 1 — none — PIR board (Celotex / Kingspan) — 0.022 Phenolic board — 0.020 Mineral wool — 0.038 EPS polystyrene — 0.038 XPS polystyrene — 0.034 Sheep wool — 0.039 Wood fibre board — 0.040 Blown cellulose — 0.039 Brickwork — 0.77 Dense concrete block — 1.13 Aircrete block — 0.15 Plasterboard — 0.21 Cement render — 1.0 Softwood — 0.13 Unfilled air cavity — fixed R 0.18 Outermost first
Layer 2 — none — PIR board (Celotex / Kingspan) — 0.022 Phenolic board — 0.020 Mineral wool — 0.038 EPS polystyrene — 0.038 XPS polystyrene — 0.034 Sheep wool — 0.039 Wood fibre board — 0.040 Blown cellulose — 0.039 Brickwork — 0.77 Dense concrete block — 1.13 Aircrete block — 0.15 Plasterboard — 0.21 Cement render — 1.0 Softwood — 0.13 Unfilled air cavity — fixed R 0.18
Layer 3 — none — PIR board (Celotex / Kingspan) — 0.022 Phenolic board — 0.020 Mineral wool — 0.038 EPS polystyrene — 0.038 XPS polystyrene — 0.034 Sheep wool — 0.039 Wood fibre board — 0.040 Blown cellulose — 0.039 Brickwork — 0.77 Dense concrete block — 1.13 Aircrete block — 0.15 Plasterboard — 0.21 Cement render — 1.0 Softwood — 0.13 Unfilled air cavity — fixed R 0.18
Hours of heating a year About half the year
Price per kWh Optional
Currency
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