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 £96.45 £115.74
Sale price
from £96.45 £115.74
Regular price
£0.00
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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 £13.22 £15.86
Sale price
from £13.22 £15.86
Regular price
£0.00
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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 £54.20 £65.04
Sale price
from £54.20 £65.04
Regular price
£0.00
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per 
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Knauf Bonding Compound Plasterboard Adhesive 25kg
Knauf Bonding Compound Plasterboard Adhesive 25kg - Knauf Building Materials
Vendor
Knauf
Regular price
£9.23 £11.08
Sale price
£9.23 £11.08
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 £38.28 £45.94
Sale price
from £38.28 £45.94
Regular price
£0.00
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Foil Tape - All Sizes
Vendor
Build4less
Regular price
from £4.95 £5.94
Sale price
from £4.95 £5.94
Regular price
£0.00
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per 
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Rockwool RWA45 (All Sizes)
Vendor
Rockwool
Regular price
from £22.00 £26.40
Sale price
from £22.00 £26.40
Regular price
£0.00
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per 
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Knauf Loft Roll 44 Combi-Cut - All Sizes
Vendor
Knauf
Regular price
£29.99 £35.99
Sale price
£29.99 £35.99
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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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 £13.22 £15.86
Sale price
from £13.22 £15.86
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 £41.22 £49.46
Sale price
from £41.22 £49.46
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 £42.04 £50.45
Sale price
from £42.04 £50.45
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 (2.4m x 1.2m) All Sizes - Recticel Insulation
Vendor
Recticel
Regular price
from £13.22 £15.86
Sale price
from £13.22 £15.86
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 £116.64 £139.97
Sale price
from £116.64 £139.97
Regular price
£0.00
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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 £17.00 £20.40
Sale price
from £17.00 £20.40
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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per 
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Knauf Acoustic Roll - All Sizes
Knauf Earthwool Acoustic Roll - All Sizes - Knauf Earthwool Insulation
Vendor
Knauf
Regular price
from £45.24 £54.29
Sale price
from £45.24 £54.29
Regular price
£0.00
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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 £35.40 £42.48
Sale price
from £35.40 £42.48
Regular price
£0.00
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per 
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Rockwool Flexi-Slab - All Sizes
Rockwool Flexi-Slab - All Sizes - Rockwool Insulation
Vendor
Rockwool
Regular price
from £37.00 £44.40
Sale price
from £37.00 £44.40
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 £89.92 £107.90
Sale price
from £89.92 £107.90
Regular price
£0.00
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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 £1,239.13 £1,486.96
Sale price
from £1,239.13 £1,486.96
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
£31.67 £38.00
Sale price
£31.67 £38.00
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
£110.41 £132.49
Sale price
£110.41 £132.49
Regular price
£0.00
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per 
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Profloor Dynamic Batten
Vendor
Proctor
Regular price
from £7.01 £8.41
Sale price
from £7.01 £8.41
Regular price
£0.00
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per 
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Kingspan Kooltherm K118 Insulated Plasterboard (All Sizes) 2.4m x 1.2m (Price Per Pallet)
Kingspan Kooltherm K118 Insulated Plasterboard (All Sizes) 2.4m x 1.2m - Kingspan Insulation
Vendor
Kingspan
Regular price
from £919.63 £1,103.56
Sale price
from £919.63 £1,103.56
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 £89.86 £107.83
Sale price
from £89.86 £107.83
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 £111.40 £133.68
Sale price
from £111.40 £133.68
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 £99.05 £118.86
Sale price
from £99.05 £118.86
Regular price
£0.00
Unit price
per 
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Gyproc Thermaline Basic 1.2m x 2.4m - All Sizes (Price Per Pallet)
Gyproc Thermal Basic
Vendor
British Gypsum
Regular price
from £780.23 £936.28
Sale price
from £780.23 £936.28
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
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per 
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Kingspan Kooltherm K107 Pitched Roof Board (All Sizes) - 2.4m x 1.2m
Vendor
Kingspan
Regular price
from £236.54 £283.85
Sale price
from £236.54 £283.85
Regular price
£0.00
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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
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per 
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Tyvek 2060B Single Sided Acrylic Tape 75mm x 25m
Vendor
Tyvek
Regular price
£24.66 £29.59
Sale price
£24.66 £29.59
Regular price
£0.00
Unit price
per 
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Warmline XPS Insulated Plasterboard 1.2m x 2.4m - All Sizes (Price Per Pallet)
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
£13.22 £15.86
Sale price
£13.22 £15.86
Regular price
£0.00
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per 
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SuperFoil Insulation - Sample Pack
SuperFoil Insulation - FREE Sample Pack - Superfoil Insulation
Vendor
Superfoil
Regular price
£5.00 £6.00
Sale price
£5.00 £6.00
Regular price
£0.00
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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 £67.90 £81.48
Sale price
from £67.90 £81.48
Regular price
£0.00
Unit price
per 
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Tyvek Airguard Reflective Vapour Barrier 50m x 1.5m
Vendor
Tyvek
Regular price
£126.74 £152.09
Sale price
£126.74 £152.09
Regular price
£0.00
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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 £52.52 £63.02
Sale price
from £52.52 £63.02
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
£4.50 £5.40
Sale price
£4.50 £5.40
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 £71.45 £85.74
Sale price
from £71.45 £85.74
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
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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
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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 £48.67 £58.40
Sale price
from £48.67 £58.40
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 (Price Per Pallet)
Gyproc Thermaline Plus (2.4m x 1.2m) All Sizes - British Gypsum Insulation
Vendor
British Gypsum
Regular price
from £1,175.62 £1,410.74
Sale price
from £1,175.62 £1,410.74
Regular price
£0.00
Unit price
per 
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Round Thermahood Downlight Cover
Vendor
Thermahood
Regular price
£8.22 £9.86
Sale price
£8.22 £9.86
Regular price
£0.00
Unit price
per 
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Insulation plays a crucial role in building construction, offering thermal efficiency, soundproofing, and fire resistance. Build4Less offers a comprehensive range of insulation products catering to various needs. Let's delve into the different types of insulation available and their practical uses.

Roof and Wall Insulation Panels

Composite Insulated Roof Panels

These panels, like the 333 Box Profile Composite, are ideal for roofing applications, offering excellent thermal performance and ease of installation. They come in various sizes and are suitable for both residential and commercial buildings.

General Purpose Insulation Boards

Products like Celotex GA4000 and Mannok Therm PIR boards are versatile and can be used in floors, walls, and roofs. These rigid boards provide high insulation values and are available in various thicknesses to meet different requirements.

Insulated Plasterboard

Insulated plasterboards, such as Celotex PL4000 and Kingspan Kooltherm, combine insulation and plasterboard, making them perfect for internal wall applications. They provide thermal insulation and a ready-to-decorate surface.

Specialised Insulation Products

Acoustic Insulation

Products like Knauf Acoustic Roll are designed to reduce sound transmission, making them ideal for use in walls and floors where sound insulation is a priority.

Thermal Bridging Boards

Celotex TB4000 is specifically designed to address thermal bridging, improving the energy efficiency of buildings by reducing heat loss at junctions and edges.

Aerogel Insulation

Spacetherm products, with their aerogel composition, offer superior thermal performance in a thinner profile, ideal for space-constrained applications.

Natural and Eco-Friendly Options

Sheepwool Insulation

100% Sheepwool Insulation rolls are an eco-friendly option, providing natural thermal and acoustic insulation. These are suitable for those looking for sustainable building materials.

Accessory Products

Foil Tape and Vapour Barriers

Foil tapes like SuperFOIL and Tyvek products are essential for sealing seams in foil-faced insulation to maintain continuity and performance. Vapour barriers help in controlling moisture ingress, enhancing the overall effectiveness of insulation.

Cavity Barriers and Firestops

Products like Timber Cavity Barrier and Party Wall Cavity Stop Socks are crucial for fire safety, preventing the spread of fire within cavity spaces.

Selecting the Right Insulation

When choosing insulation, consider the following:

  • Application Area: Roof, wall, or floor insulation have different requirements.
  • Thermal Performance: Higher R-values mean better insulation.
  • Acoustic Needs: If soundproofing is a concern, opt for specialised acoustic insulation.
  • Environmental Impact: Consider eco-friendly options like sheepwool for a lower environmental footprint.
  • Building Regulations: Ensure the product meets local building codes and regulations.

     

In conclusion, the right insulation product can significantly enhance the comfort, energy efficiency, and safety of a building. Build4Less offers a range of products to meet diverse insulation needs, ensuring quality and performance.

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