Collection: Retrofit
Our expertise lies in providing advanced Retrofit solutions for both internal and external wall insulation, ensuring your home stays cosy while saving you money on energy bills.
With our wide range of wood fibre insulation, you can rely on year-round comfort. It keeps your house warm during chilly winters and pleasantly cool throughout the summer months.
Choose Insulation Merchant for a more comfortable, energy-efficient home that you'll love living in!
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60mm Pro Clima Tescon Vana - Airtight Tape (30m)
TESCON by Pro Clima60mm Pro Clima Tescon Vana - Airtight Tape (30m)
- Regular price
- £24.39
- Unit Price
- £0.81 per LM (linear metre)
- Sale price
- £24.39
- Unit Price
- £0.81 per LM (linear metre)
- Regular price
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£25.70Save £1.31
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Pro Clima Contega Solido SL80 (Internal Single-sIded Corner Adhesive Tape) - 80mm x 30m
CONTEGA SOLIDO SL by Pro ClimaPro Clima Contega Solido SL80 (Internal Single-sIded Corner Adhesive Tape) - 80mm x 30m
- Regular price
- £40.25
- Unit Price
- £1.34 per LM (linear metre)
- Sale price
- £40.25
- Unit Price
- £1.34 per LM (linear metre)
- Regular price
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£41.30Save £1.05
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10mm PROCTOR Spacetherm® A1 Fire Rated Silica Aerogel (STRIPS) - 2400mm x 280mm (0.67m²)
SPACETHERM® by A. Proctor Group10mm PROCTOR Spacetherm® A1 Fire Rated Silica Aerogel (STRIPS) - 2400mm x 280mm (0.67m²)
- Regular price
- £39.08
- Unit Price
- £58.33 per m²
- Sale price
- £39.08
- Unit Price
- £58.33 per m²
- Regular price
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£58.25Save £19.17
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1.5m Pro Clima Intello Plus - Vapour Check Membrane (50m)
INTELLO PLUS by Pro Clima1.5m Pro Clima Intello Plus - Vapour Check Membrane (50m)
- Regular price
- £223.50
- Unit Price
- £2.98 per m²
- Sale price
- £223.50
- Unit Price
- £2.98 per m²
- Regular price
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£249.30Save £25.80
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1.5m Pro Clima Intello Plus (Small Handy Rolls) - Vapour Check Membrane (20m)
INTELLO PLUS by Pro Clima1.5m Pro Clima Intello Plus (Small Handy Rolls) - Vapour Check Membrane (20m)
- Regular price
- £92.92
- Unit Price
- £3.09 per m²
- Sale price
- £92.92
- Unit Price
- £3.09 per m²
- Regular price
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£103.70Save £10.78
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Pro Clima Solitex Plus - Vapour Permeable Membrane (1.5m x 50m / 75m²)
SOLITEX PLUS by Pro ClimaPro Clima Solitex Plus - Vapour Permeable Membrane (1.5m x 50m / 75m²)
- Regular price
- £221.00
- Unit Price
- £2.94 per m²
- Sale price
- £221.00
- Unit Price
- £2.94 per m²
- Regular price
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£246.50Save £25.50
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ADAPTAVATE breathAplasta Universal (Natural Breathable Plaster) - 20Kg bag
UNIVERSAL by AdaptavateADAPTAVATE breathAplasta Universal (Natural Breathable Plaster) - 20Kg bag
- Regular price
- £19.54
- Unit Price
- £3.90 per m²
- Sale price
- £19.54
- Unit Price
- £3.90 per m²
- Regular price
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£19.54Save £0.00
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Pro Clima Solitex Plus (Small Handy Roll) - Vapour Permeable Membrane (1.5m x 15m / 22.5m²)
SOLITEX PLUS by Pro ClimaPro Clima Solitex Plus (Small Handy Roll) - Vapour Permeable Membrane (1.5m x 15m / 22.5m²)
- Regular price
- £81.00
- Unit Price
- £3.60 per m²
- Sale price
- £81.00
- Unit Price
- £3.60 per m²
- Regular price
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£90.40Save £9.40
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100mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)
COSYWOOL by Thermafleece100mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)
- Regular price
- £80.67
- Unit Price
- £11.17 per m²
- Sale price
- £80.67
- Unit Price
- £11.17 per m²
- Regular price
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60mm Pro Clima Uni Tape - Airtight Tape (30m)
UNI TAPE by Pro Clima60mm Pro Clima Uni Tape - Airtight Tape (30m)
- Regular price
- £18.30
- Unit Price
- £0.61 per LM (linear metre)
- Sale price
- £18.30
- Unit Price
- £0.61 per LM (linear metre)
- Regular price
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£19.70Save £1.40
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100mm Pro Clima Tescon Vana - Sealing Adhesive Tape (30m)
TESCON by Pro Clima100mm Pro Clima Tescon Vana - Sealing Adhesive Tape (30m)
- Regular price
- £39.89
- Unit Price
- £1.32 per LM (linear metre)
- Sale price
- £39.89
- Unit Price
- £1.32 per LM (linear metre)
- Regular price
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£45.30Save £5.41
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ADAPTAVATE breathAplasta Smooth (Natural Breathable Smooth Fine Finishing Plaster) - 20kg bag
SMOOTH by AdaptavateADAPTAVATE breathAplasta Smooth (Natural Breathable Smooth Fine Finishing Plaster) - 20kg bag
- Regular price
- £21.96
- Unit Price
- £2.19 per m²
- Sale price
- £21.96
- Unit Price
- £2.19 per m²
- Regular price
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£21.96Save £0.00
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100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)
COSYWOOL by Thermafleece100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)
- Regular price
- £82.79
- Unit Price
- £11.17 per m²
- Sale price
- £82.79
- Unit Price
- £11.17 per m²
- Regular price
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100mm STEICO Flex 036 - 575mm x 1190mm (4 per pack)
FLEX by Steico100mm STEICO Flex 036 - 575mm x 1190mm (4 per pack)
- Regular price
- £35.81
- Unit Price
- £13.08 per m²
- Sale price
- £35.81
- Unit Price
- £13.08 per m²
- Regular price
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£39.78Save £3.97
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60mm SIGA Sicrall® 60 - VCL Jointing Airtight Tape (40m)
SICRALL® 60 by SIGA60mm SIGA Sicrall® 60 - VCL Jointing Airtight Tape (40m)
- Regular price
- £31.17
- Unit Price
- £0.77 per LM (linear metre)
- Sale price
- £31.17
- Unit Price
- £0.77 per LM (linear metre)
- Regular price
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50mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)
COSYWOOL by Thermafleece50mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)
- Regular price
- £80.79
- Unit Price
- £5.60 per m²
- Sale price
- £80.79
- Unit Price
- £5.60 per m²
- Regular price
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150mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)
COSYWOOL by Thermafleece150mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)
- Regular price
- £79.99
- Unit Price
- £16.77 per m²
- Sale price
- £79.99
- Unit Price
- £16.77 per m²
- Regular price
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100mm STEICO Flex 036 - 375mm x 1190mm (4 per pack)
FLEX by Steico100mm STEICO Flex 036 - 375mm x 1190mm (4 per pack)
- Regular price
- £24.07
- Unit Price
- £13.48 per m²
- Sale price
- £24.07
- Unit Price
- £13.48 per m²
- Regular price
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£26.48Save £2.41
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50mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)
COSYWOOL by Thermafleece50mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)
- Regular price
- £82.96
- Unit Price
- £5.60 per m²
- Sale price
- £82.96
- Unit Price
- £5.60 per m²
- Regular price
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150mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)
COSYWOOL by Thermafleece150mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)
- Regular price
- £82.17
- Unit Price
- £16.77 per m²
- Sale price
- £82.17
- Unit Price
- £16.77 per m²
- Regular price
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