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
333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - All Sizes
333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - All Sizes - Trisomet
Vendor
Trisomet
Regular price
from £97.50 £117.00
Sale price
from £97.50 £117.00
Regular price
£0.00
Unit price
per 
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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 £11.18 £13.42
Sale price
from £11.18 £13.42
Regular price
£0.00
Unit price
per 
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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 £61.56 £73.87
Sale price
from £61.56 £73.87
Regular price
£0.00
Unit price
per 
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Knauf Bonding Compound Plasterboard Adhesive 25kg
Knauf Bonding Compound Plasterboard Adhesive 25kg - Knauf Building Materials
Vendor
Knauf
Regular price
£9.03 £10.84
Sale price
£9.03 £10.84
Regular price
£0.00
Unit price
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 £32.00 £38.40
Sale price
from £32.00 £38.40
Regular price
£0.00
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per 
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Foil Tape - All Sizes
Vendor
Build4less
Regular price
from £6.95 £8.34
Sale price
from £6.95 £8.34
Regular price
£0.00
Unit price
per 
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Rockwool RWA45 (All Sizes)
Vendor
Rockwool
Regular price
from £21.34 £25.61
Sale price
from £21.34 £25.61
Regular price
£0.00
Unit price
per 
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Knauf Loft Roll 44 Combi-Cut - All Sizes
Vendor
Knauf
Regular price
from £27.65 £33.18
Sale price
from £27.65 £33.18
Regular price
£0.00
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per 
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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 £0.00 £0.00
Sale price
from £0.00 £0.00
Regular price
£0.00
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per 
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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 £11.18 £13.42
Sale price
from £11.18 £13.42
Regular price
£0.00
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per 
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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 £41.02 £49.22
Sale price
from £41.02 £49.22
Regular price
£0.00
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per 
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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 £35.09 £42.11
Sale price
from £35.09 £42.11
Regular price
£0.00
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per 
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Recticel Eurothane GP (2.4m x 1.2m) All Sizes
Recticel Eurothane GP
Vendor
Recticel
Regular price
from £11.25 £13.50
Sale price
from £11.25 £13.50
Regular price
£0.00
Unit price
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 £97.11 £116.53
Sale price
from £97.11 £116.53
Regular price
£0.00
Unit price
per 
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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 £9.50 £11.40
Sale price
from £9.50 £11.40
Regular price
£0.00
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per 
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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
Unit price
per 
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Knauf Acoustic Roll - All Sizes
Knauf Earthwool Acoustic Roll - All Sizes - Knauf Earthwool Insulation
Vendor
Knauf
Regular price
from £43.65 £52.38
Sale price
from £43.65 £52.38
Regular price
£0.00
Unit price
per 
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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 £38.50 £46.20
Sale price
from £38.50 £46.20
Regular price
£0.00
Unit price
per 
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Rockwool Flexi-Slab - All Sizes
Rockwool Flexi-Slab - All Sizes - Rockwool Insulation
Vendor
Rockwool
Regular price
from £35.60 £42.72
Sale price
from £35.60 £42.72
Regular price
£0.00
Unit price
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 £88.65 £106.38
Sale price
from £88.65 £106.38
Regular price
£0.00
Unit price
per 
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Thermaclass Cavity Wall 21 (1190mm x 450mm) - All Sizes
Thermaclass Cavity Wall 21 (1190mm x 450mm) - All Sizes - Celotex Insulation
Vendor
Celotex
Regular price
from £1,010.00 £1,212.00
Sale price
from £1,010.00 £1,212.00
Regular price
£0.00
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per 
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100mm Celotex GA4100 2.4m x 1.2m
100mm Celotex GA4100 2.4m x 1.2m - Celotex Insulation
Vendor
Celotex
Regular price
£27.29 £32.75
Sale price
£27.29 £32.75
Regular price
£0.00
Unit price
per 
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Tyvek Housewrap 100m x 1.4m
TYVEK HOUSEWRAP 1.4M x 100m - Tyvek Insulation
Vendor
Tyvek
Regular price
£106.02 £127.22
Sale price
£106.02 £127.22
Regular price
£0.00
Unit price
per 
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Profloor Dynamic Batten
Vendor
Proctor
Regular price
from £7.75 £9.30
Sale price
from £7.75 £9.30
Regular price
£0.00
Unit price
per 
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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 £895.13 £1,074.16
Sale price
from £895.13 £1,074.16
Regular price
£0.00
Unit price
per 
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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 £74.81 £89.77
Sale price
from £74.81 £89.77
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
from £109.75 £131.70
Sale price
from £109.75 £131.70
Regular price
£0.00
Unit price
per 
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Timber Cavity Barrier (TCB) Red - All Sizes
Timber Cavity Barrier (TCB) Red - All Sizes - ARC Insulation
Vendor
ARC
Regular price
from £94.20 £113.04
Sale price
from £94.20 £113.04
Regular price
£0.00
Unit price
per 
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Gyproc Thermaline Basic 1.2m x 2.4m - All Sizes
Gyproc Thermal Basic
Vendor
British Gypsum
Regular price
from £753.70 £904.44
Sale price
from £753.70 £904.44
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 £129.99 £155.99
Sale price
from £129.99 £155.99
Regular price
£0.00
Unit price
per 
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Kingspan Kooltherm K107 Pitched Roof Board (All Sizes) - 2.4m x 1.2m
Vendor
Kingspan
Regular price
from £231.81 £278.17
Sale price
from £231.81 £278.17
Regular price
£0.00
Unit price
per 
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Enhanced EPS 1200mm x 600mm - All Sizes
Enhanced EPS
Vendor
Jablite
Regular price
from £52.84 £63.41
Sale price
from £52.84 £63.41
Regular price
£0.00
Unit price
per 
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Tyvek 2060B Single Sided Acrylic Tape 75mm x 25m
Vendor
Tyvek
Regular price
£22.70 £27.24
Sale price
£22.70 £27.24
Regular price
£0.00
Unit price
per 
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Warmline XPS Insulated Plasterboard 1.2m x 2.4m - All Sizes
Vendor
Warmline
Regular price
from £0.00 £0.00
Sale price
from £0.00 £0.00
Regular price
£0.00
Unit price
per 
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25mm Celotex TB4025 2.4m x 1.2m
25mm Celotex TB4025 2.4m x 1.2m - Celotex Insulation
Vendor
Celotex
Regular price
£11.18 £13.42
Sale price
£11.18 £13.42
Regular price
£0.00
Unit price
per 
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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
Unit price
per 
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100% Sheepwool Insulation Comfort Roll (All Sizes)
100% Sheepwool Insulation  Comfort Roll (All Sizes) - Sheepwool Insulation
Vendor
Sheepwool
Regular price
from £67.25 £80.70
Sale price
from £67.25 £80.70
Regular price
£0.00
Unit price
per 
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Tyvek Airguard Reflective Vapour Barrier 50m x 1.5m
Vendor
Tyvek
Regular price
£125.35 £150.42
Sale price
£125.35 £150.42
Regular price
£0.00
Unit price
per 
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Party Wall Cavity Stop Socks Red - All Sizes
Party Wall Cavity Stop Socks Red - All Sizes - ARC Insulation
Vendor
ARC
Regular price
from £49.95 £59.94
Sale price
from £49.95 £59.94
Regular price
£0.00
Unit price
per 
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SuperFOIL Standard Foil Tape 100mm x 20m
SuperFOIL Standard Foil Tape 100mm x 20m - Superfoil Insulation
Vendor
Superfoil
Regular price
£4.99 £5.99
Sale price
£4.99 £5.99
Regular price
£0.00
Unit price
per 
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Cavity Stop Sock Green - All Sizes
Cavity Stop Sock Green - All Sizes - ARC Insulation
Vendor
ARC
Regular price
from £69.40 £83.28
Sale price
from £69.40 £83.28
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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Kingspan Thermawall TW55 Steel/Timber Framing Board (All Sizes) 2.4m x 1.2m
Kingspan Thermawall TW55 Steel/Timber Framing Board (All Sizes) 2.4m x 1.2m - Kingspan Insulation
Vendor
Kingspan
Regular price
from £50.00 £60.00
Sale price
from £50.00 £60.00
Regular price
£0.00
Unit price
per 
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Celotex CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes
Celotex CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes - Celotex Insulation
Vendor
Celotex
Regular price
from £41.45 £49.74
Sale price
from £41.45 £49.74
Regular price
£0.00
Unit price
per 
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Spacetherm Wallboard (All Sizes) 2.4m x 1.2m
Vendor
Proctor
Regular price
from £162.99 £195.59
Sale price
from £162.99 £195.59
Regular price
£0.00
Unit price
per 
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Gyproc Thermaline Plus (2.4m x 1.2m) All Sizes
Gyproc Thermaline Plus (2.4m x 1.2m) All Sizes - British Gypsum Insulation
Vendor
British Gypsum
Regular price
from £1,135.65 £1,362.78
Sale price
from £1,135.65 £1,362.78
Regular price
£0.00
Unit price
per 
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Round Thermahood Downlight Cover
Vendor
Thermahood
Regular price
£6.00 £7.20
Sale price
£6.00 £7.20
Regular price
£0.00
Unit price
per 
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Superfoil SFBA MP - Foil Insulation Roll
Superfoil SFBA MP
Vendor
Superfoil
Regular price
£75.93 £91.12
Sale price
£75.93 £91.12
Regular price
£0.00
Unit price
per 
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