PIR Insulation
Pipe Insulation
Insulation 50mm
Slab Insulation
Cheap Insulation
Glass Wool
Insulation Roll
Vapour Control Layer
Acoustic Insulation
Aerogel Insulation
Cavity Barrier
Cavity Closers
Cavity Wall Insulation
Flat Roof Insulation
Floor Insulation
Foil Insulation
Insulation
Insulation Accessories
Insulation Fixings
Insulation Board
Loft Insulation
Multifoil Insulation
Party Wall Slab
Polystyrene Insulation (EPS)
Roof Insulation
Sheep Wool Insulation
Wall Insulation
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140mm Celotex XR4140 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £62.65 £75.18Sale price £62.65 £75.18 Regular priceUnit price per£0.00 -
130mm Celotex XR4130 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £62.08 £74.50Sale price £62.08 £74.50 Regular priceUnit price per£0.00 -
110mm Celotex XR4110 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £49.98 £59.98Sale price £49.98 £59.98 Regular priceUnit price per£0.00 -
80mm Celotex GA4080 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £37.76 £45.31Sale price £37.76 £45.31 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 150mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £350£420Regular price £61.33 £73.60Sale price £61.33 £73.60 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 140mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £350£420Regular price £62.65 £75.18Sale price £62.65 £75.18 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 130mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £350£420Regular price £62.08 £74.50Sale price £62.08 £74.50 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 90mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £350£420Regular price £41.55 £49.86Sale price £41.55 £49.86 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 80mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £350£420Regular price £37.76 £45.31Sale price £37.76 £45.31 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 70mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £350£420Regular price £33.89 £40.67Sale price £33.89 £40.67 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 60mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £350£420Regular price £30.89 £37.07Sale price £30.89 £37.07 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 40mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £350£420Regular price £22.98 £27.58Sale price £22.98 £27.58 Regular priceUnit price per£0.00 -
K-Roc Rainscreen Slab (1.2m x 0.6m) - All Sizes
Vendor:KingspanfromStandardFree Delivery over £350£420Regular price £62.27 £74.72Sale price £62.27 £74.72 Regular priceUnit price per£0.00 -
Universal Insulation Retaining Clip (Box of 100)
Vendor:SamacSamac FixingsFree Delivery over £110£132Regular price £5.70 £6.84Sale price £5.70 £6.84 Regular priceUnit price per£0.00 -
Unilin Thin-R PIR 125mm x 2.4m x 1.2m
Vendor:UnilinUnilinFree Delivery over £350£420Regular price £64.14 £76.97Sale price £64.14 £76.97 Regular priceUnit price per£0.00 -
Kingspan OPTIM-R E Inverted Roofing System
Vendor:KingspanStandardFree Delivery over £350£420POA -
Recticel Eurowall+ Full-Fill Cavity 1.2m x 0.46m
Vendor:RecticelfromStandardFree Delivery over £350£420Regular price £786.50 £943.80Sale price £786.50 £943.80 Regular priceUnit price per£0.00 -
Volcalis Easy Light Loft Roll 44 - All Sizes
Vendor:VolcalisfromVolcalisFree Delivery over £300£360Regular price £33.54 £40.25Sale price £33.54 £40.25 Regular priceUnit price per£0.00£0.00 -
500 Gauge Vapour Control Layer DIY Kit
Vendor:NoviaNovia RollsFree Delivery over £1,100£1,320Regular price £136.54 £163.85Sale price £136.54 £163.85 Regular priceUnit price per£0.00 -
1000 Gauge Vapour Control Layer DIY Kit
Vendor:NoviaNovia RollsFree Delivery over £1,100£1,320Regular price £179.20 £215.04Sale price £179.20 £215.04 Regular priceUnit price per£0.00 -
1200 Gauge Vapour Control Layer DIY Kit
Vendor:NoviaNovia RollsFree Delivery over £1,100£1,320Regular price £197.66 £237.19Sale price £197.66 £237.19 Regular priceUnit price per£0.00 -
VC2 Air And Vapour Control Layer DIY Kit
Vendor:NoviaNovia RollsFree Delivery over £1,100£1,320Regular price £133.55 £160.26Sale price £133.55 £160.26 Regular priceUnit price per£0.00 -
VC200 Reflective Air Leakage and Vapour Control Layer DIY KIT
Vendor:NoviaNovia RollsFree Delivery over £1,100£1,320Regular price £133.55 £160.26Sale price £133.55 £160.26 Regular priceUnit price per£0.00 -
Reflex Reflective Roof and Wall Breather Membrane DIY Kit
Vendor:NoviaNovia RollsFree Delivery over £1,100£1,320Regular price £160.88 £193.06Sale price £160.88 £193.06 Regular priceUnit price per£0.00 -
Fermacell High Performance Building Board - All Sizes (Price Per Pallet)
Vendor:FermacellfromStandardFree Delivery over £350£420Regular price £1,822.41 £2,186.89Sale price £1,822.41 £2,186.89 Regular priceUnit price per£0.00 -
Kingspan Thermataper TT46
Vendor:KingspanStandardFree Delivery over £350£420POA -
Kingspan Thermataper TT47
Vendor:KingspanStandardFree Delivery over £350£420POA -
Simpson Strong Tie Insulation Clips 80mm Red (Pack of 250)
Vendor:Simpson Strong TieRegular price £25.10 £30.12Sale price £25.10 £30.12 Regular priceUnit price per£0.00 -
Thermboard EPS Thermal Laminate 2.4m x 1.2m - All Sizes (Price Per Pallet)
Vendor:ThermboardfromRegular price £451.90 £542.28Sale price £451.90 £542.28 Regular priceUnit price per£0.00 -
Thermboard PIR Thermal Laminate 2.4m x 1.2m - All Sizes (Price Per Pallet)
Vendor:ThermboardfromRegular price £728.99 £874.79Sale price £728.99 £874.79 Regular priceUnit price per£0.00 -
Thermo-Loc Platinum Plus FX Cavity Closer 2.4m - All Sizes
Vendor:TimlocfromTimlocFree Delivery over £200£240Regular price £127.08 £152.50Sale price £127.08 £152.50 Regular priceUnit price per£0.00 -
Thermo-Loc Platinum Plus Multi Cavity Closer 2.4m (Pack of 10)
Vendor:TimlocTimlocFree Delivery over £200£240Regular price £134.65 £161.58Sale price £134.65 £161.58 Regular priceUnit price per£0.00 -
Thermo-Loc FRSTOP 60 min Fire-Rated Cavity Stop Sock - All Sizes
Vendor:TimlocfromTimlocFree Delivery over £200£240Regular price £5.94 £7.13Sale price £5.94 £7.13 Regular priceUnit price per£0.00 -
Tyvek Airguard Air and Vapour Control Layer Tape 60mm x 25m
Vendor:TyvekStandardFree Delivery over £350£420Regular price £21.00 £25.20Sale price £21.00 £25.20 Regular priceUnit price per£0.00 -
Thermo-Loc Platinum Plus FX Check Reveal Multi Cavity Closer 2.4m (Pack of 10)
Vendor:TimlocTimlocFree Delivery over £200£240Regular price £170.42 £204.50Sale price £170.42 £204.50 Regular priceUnit price per£0.00 -
Thermo-Loc 60 min Fire-Rated Cavity Closer 2.4m - All Sizes
Vendor:TimlocfromTimlocFree Delivery over £200£240Guide Price: £159.65 Guide Price: £191.58
Insulation | Insulation Materials | Building Supplies
Insulation
Insulation plays a vital role in improving energy efficiency, reducing heat loss, and creating a more comfortable indoor environment throughout the year. At Build4Less, you can explore a wide range of insulation products, including loft insulation, wall insulation, floor insulation, acoustic insulation, and insulation boards suitable for both residential and commercial projects. Our insulation solutions are designed to help lower energy bills, improve thermal performance, and support modern building regulations while delivering long-lasting reliability and performance.
What is Insulation?
Insulation refers to budget-friendly insulation materials that meet standard building performance requirements without the premium price tag. These products are ideal for projects where cost efficiency is a priority, while still ensuring compliance with UK building regulations.
Typically used in walls, lofts, floors, and roofs, Insulation products provide effective thermal resistance and help minimise heat loss throughout your property.
Benefits of Insulation
- Cost-Effective Solution
Perfect for large-scale projects or budget-conscious builds without compromising performance. - Improved Energy Efficiency
Helps reduce heat loss, lowering energy bills and improving overall building performance. - Versatile Applications
Suitable for lofts, cavity walls, floors, and general insulation needs. - Easy Installation
Designed for quick and straightforward fitting, saving time on-site. - Reliable Thermal Performance
Meets standard insulation requirements for everyday construction projects.
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.
Applications of Insulation
Insulation products are widely used across a variety of building projects, including:
- Residential new builds and refurbishments
- Loft and attic insulation upgrades
- Internal wall insulation systems
- Floor insulation for improved thermal comfort
- Garage and outbuilding insulation
Whether you're working on a home renovation or a new development, these materials provide a practical and efficient insulation solution.
Selecting the Right Insulation
When choosing insulation, consider the following:
- Application Area: Roof, wall, or floor insulation has 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.
Why Choose Build4Less for Insulation?
- Competitive prices on trusted insulation products
- Wide range of options for all project sizes
- Fast UK delivery to keep your project on schedule
- Expert support to help you choose the right materials
At Build4Less, we combine affordability with quality, ensuring you get the best insulation solutions for your budget and build.
To get the most out of your insulation project, consider pairing Insulation with complementary materials:
- Improve internal finishes with Standard Plasterboard, ideal for creating smooth walls and ceilings after insulation installation.
- Enhance thermal efficiency further using Insulated Plasterboard, combining insulation and finishing in one solution.
- For higher-performance projects, explore our range of Celotex Insulation Boards, offering excellent thermal resistance for walls, floors, and roofs.
These related products help you achieve a complete, efficient, and professional finish.
Frequently Asked Questions for Insulation
What is Insulation best used for?
Insulation is ideal for general-purpose insulation in lofts, walls, and floors where cost-effective thermal performance is required.
Is Insulation suitable for DIY projects?
Absolutely. Many products are easy to handle and install, making them suitable for both professionals and DIY users.
How does Insulation compare to premium insulation?
While premium insulation offers higher thermal performance and thinner profiles, Insulation provides a more budget-friendly option for standard applications.
Can Insulation help reduce energy bills?
Yes, by reducing heat loss, it improves energy efficiency and can significantly lower heating costs over time.
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