Insulation

We have a huge range of insulation from all the top brands, covering all applications from floor, roof, loft, wall and more. Browse below or contact Build4less on Live Chat or by phone 020 3481 1978 if you need guidance
Celotex GA4000 General Purpose PIR Insulation Board (All Sizes) 2.4m x 1.2m
Celotex GA4000 General Purpose PIR Insulation Board (All Sizes) 2.4m x 1.2m - Celotex Insulation
Vendor
Celotex
Regular price
from £13.87 £16.64
Sale price
from £13.87 £16.64
Regular price
£0.00
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EPS 70 (All Sizes) 2400mm x 1200mm
EPS 70 2400mm x 1200mm (All Sizes) - Build4less Insulation
Vendor
Build4less
Regular price
from £62.75 £75.30
Sale price
from £62.75 £75.30
Regular price
£0.00
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Knauf Bonding Compound Plasterboard Adhesive 25kg
Knauf Bonding Compound
Vendor
Knauf
Regular price
£6.95 £8.34
Sale price
£6.95 £8.34
Regular price
£0.00
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Mannok Therm PIR Insulation board 2.4m x 1.2m - All Sizes
Mannok Therm PIR Insulation board 2.4m x 1.2m - All Sizes - Mannok Insulation
Vendor
Mannok
Regular price
from £23.16 £27.79
Sale price
from £23.16 £27.79
Regular price
£0.00
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Rockwool RWA45 (All Sizes)
Vendor
Rockwool
Regular price
from £16.57 £19.88
Sale price
from £16.57 £19.88
Regular price
£0.00
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Foil Tape 75mm x 45m
Vendor
Build4less
Regular price
£10.87 £13.04
Sale price
£10.87 £13.04
Regular price
£0.00
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Knauf Loft Roll 44 Combi-Cut - All Sizes
Vendor
Knauf
Regular price
from £19.64 £23.57
Sale price
from £19.64 £23.57
Regular price
£0.00
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Celotex TB4000 Thermal Bridging Board 1.2m x 2.4m - All Sizes
Celotex TB4000 Thermal Bridging Board 1.2m x 2.4m - All Sizes - Celotex Insulation
Vendor
Celotex
Regular price
from £13.87 £16.64
Sale price
from £13.87 £16.64
Regular price
£0.00
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per 
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Kingspan Thermafloor TF70 Floor Board (All Sizes) 2.4m x 1.2m
Kingspan Thermafloor TF70 Floor Board 1.2m x 2.4m - All Sizes - Kingspan Insulation
Vendor
Kingspan
Regular price
from £148.64 £178.37
Sale price
from £148.64 £178.37
Regular price
£0.00
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Celotex XR4000 Insulation Board 1.2m x 2.4m - All Sizes
Celotex XR4000 Insulation Board 1.2m x 2.4m - All Sizes - Celotex Insulation
Vendor
Celotex
Regular price
from £45.59 £54.71
Sale price
from £45.59 £54.71
Regular price
£0.00
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per 
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Celotex PL4000 Insulated Plasterboard (All Sizes) 2.4m x 1.2m
Celotex PL4000 Insulated Plasterboard (All Sizes) 2.4m x 1.2m - Celotex Insulation
Vendor
Celotex
Regular price
from £35.83 £43.00
Sale price
from £35.83 £43.00
Regular price
£0.00
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Kingspan Thermapitch TP10 Pitched Roof Board (All Sizes) 2.4m x 1.2m
Kingspan Thermapitch TP10 Pitched Roof Board (All Sizes) 2.4m x 1.2m - Kingspan Insulation
Vendor
Kingspan
Regular price
from £45.00 £54.00
Sale price
from £45.00 £54.00
Regular price
£0.00
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Spacetherm Cold Bridge Strip Aerogel Insulation (All Sizes) 2.4m
Spacetherm Cold Bridge Strip Aerogel Insulation (All Sizes) 2.4m - Proctor Insulation
Vendor
Proctor
Regular price
from £11.18 £13.42
Sale price
from £11.18 £13.42
Regular price
£0.00
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Knauf Acoustic Roll - All Sizes
Knauf Earthwool Acoustic Roll - All Sizes - Knauf Earthwool Insulation
Vendor
Knauf
Regular price
from £31.30 £37.56
Sale price
from £31.30 £37.56
Regular price
£0.00
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Knauf Dritherm Cavity Slab 37 (All Sizes) 1200mm x 455mm
Knauf Dritherm 37 (All Sizes) 1200mm x 455mm
Vendor
Knauf
Regular price
from £14.52 £17.42
Sale price
from £14.52 £17.42
Regular price
£0.00
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Danosa Danopren TR XPS Insulation 600mm x 1250mm - All Sizes
Danosa Danopren TR XPS Insulation 600mm x 1250mm - All Sizes - Danosa Insulation
Vendor
Danosa
Regular price
from £35.66 £42.79
Sale price
from £35.66 £42.79
Regular price
£0.00
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Rockwool Flexi-Slab - All Sizes
Rockwool Flexi-Slab - All Sizes - Rockwool Insulation
Vendor
Rockwool
Regular price
from £25.99 £31.19
Sale price
from £25.99 £31.19
Regular price
£0.00
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per 
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Tyvek Housewrap 100m x 1.4m
TYVEK HOUSEWRAP 1.4M x 100m - Tyvek Insulation
Vendor
Tyvek
Regular price
£113.17 £135.80
Sale price
£113.17 £135.80
Regular price
£0.00
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per 
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100% Sheepwool Insulation Optimal Roll (All Sizes)
100% Sheepwool Insulation  Optimal Roll (All Sizes) - Sheepwool Insulation
Vendor
Sheepwool
Regular price
from £68.80 £82.56
Sale price
from £68.80 £82.56
Regular price
£0.00
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Kingspan Thermaroof TR27 Flat Roof Board - All Sizes
Kingspan Thermaroof TR27 Flat Roof Board - All Sizes - Kingspan Insulation
Vendor
Kingspan
Regular price
from £64.40 £77.28
Sale price
from £64.40 £77.28
Regular price
£0.00
Unit price
per 
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Recticel Eurothane GP (2.4m x 1.2m) All Sizes
Recticel Eurothane GP
Vendor
Recticel
Regular price
from £1.00 £1.20
Sale price
from £1.00 £1.20
Regular price
£0.00
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per 
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Profloor Dynamic Batten
Vendor
Proctor
Regular price
from £8.53 £10.24
Sale price
from £8.53 £10.24
Regular price
£0.00
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Gyproc Thermaline Basic 1.2m x 2.4m - All Sizes
Gyproc Thermal Basic
Vendor
British Gypsum
Regular price
from £23.17 £27.80
Sale price
from £23.17 £27.80
Regular price
£0.00
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Kingspan Kooltherm K118 Insulated Plasterboard (All Sizes) 2.4m x 1.2m
Kingspan Kooltherm K118 Insulated Plasterboard (All Sizes) 2.4m x 1.2m - Kingspan Insulation
Vendor
Kingspan
Regular price
from £831.25 £997.50
Sale price
from £831.25 £997.50
Regular price
£0.00
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Enhanced EPS 1200mm x 600mm - All Sizes
Enhanced EPS
Vendor
EPS
Regular price
from £2.47 £2.96
Sale price
from £2.47 £2.96
Regular price
£0.00
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Tyvek 2060B Single Sided Acrylic Tape 75mm x 25m
Vendor
Tyvek
Regular price
£27.39 £32.87
Sale price
£27.39 £32.87
Regular price
£0.00
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Kingspan Thermaroof TR26 Flat Roof Board (All Sizes) 2400mm x 1200mm
Kingspan Thermaroof TR26 Flat Roof Board 1.2m x 2.4m - All Sizes - Kingspan Insulation
Vendor
Kingspan
Regular price
from £0.00 £0.00
Sale price
from £0.00 £0.00
Regular price
£0.00
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per 
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Warmline XPS Insulated Plasterboard 1.2m x 2.4m - All Sizes
Vendor
Warmline
Regular price
from £31.82 £38.18
Sale price
from £31.82 £38.18
Regular price
£0.00
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Tyvek Airguard Reflective Vapour Barrier 50m x 1.5m
Vendor
Tyvek
Regular price
£143.66 £172.39
Sale price
£143.66 £172.39
Regular price
£0.00
Unit price
per 
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100% Sheepwool Insulation Premium Roll (All Sizes)
100% Sheepwool Insulation Premium Roll (All Sizes) - Sheepwool Insulation
Vendor
Sheepwool
Regular price
£79.63 £95.56
Sale price
£79.63 £95.56
Regular price
£0.00
Unit price
per 
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Spacetherm Blanket (All Thicknesses) 2.4m x 1.2m
Vendor
Proctor
Regular price
from £109.80 £131.76
Sale price
from £109.80 £131.76
Regular price
£0.00
Unit price
per 
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Kingspan Kooltherm K7 Pitched Roof Board (All Sizes) 2.4m x 1.2m
Kingspan Kooltherm K7 Pitched Roof Board 1.2m x 2.4m - All Sizes - Kingspan Insulation
Vendor
Kingspan
Regular price
from £150.40 £180.48
Sale price
from £150.40 £180.48
Regular price
£0.00
Unit price
per 
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