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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40mm Celotex TB4040 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £22.98 £27.58Sale price £22.98 £27.58 Regular priceUnit price per£0.00 -
Celotex 50mm GA4050 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £24.07 £28.88Sale price £24.07 £28.88 Regular priceUnit price per£0.00 -
Superfoil Shed Insulation Kit (21m2)
Vendor:SuperfoilRegular price £63.98 £76.78Sale price £63.98 £76.78 Regular priceUnit price per£0.00 -
Rockwool Rainscreen Duo Slab (All Sizes)
Vendor:RockwoolfromStandardFree Delivery over £350£420Regular price £822.24 £986.69Sale price £822.24 £986.69 Regular priceUnit price per£0.00 -
Tyvek Double Sided Butyl Tape 50mm x 30m
Vendor:TyvekStandardFree Delivery over £350£420Regular price £28.37 £34.04Sale price £28.37 £34.04 Regular priceUnit price per£0.00 -
Thermaroof TR24 (All Sizes) 1200mm x 600mm
Vendor:KingspanfromStandardFree Delivery over £350£420POA -
SuperFOIL SFBA MP 3mm x 1.5m x 25m
Vendor:SuperfoilRegular price £68.80 £82.56Sale price £68.80 £82.56 Regular priceUnit price per£0.00£0.00 -
Rockwool Cladding Roll - All Sizes
Vendor:RockwoolfromStandardFree Delivery over £350£420POA -
T-Barrier Pitched Roof - All Sizes
Vendor:ARCfromARCFree Delivery over £450£540Regular price £67.33 £80.80Sale price £67.33 £80.80 Regular priceUnit price per£0.00 -
Knauf RS60 (600mm x 1200mm) - All Sizes
Vendor:KnauffromStandardFree Delivery over £350£420Regular price £394.24 £473.09Sale price £394.24 £473.09 Regular priceUnit price per£0.00 -
Plylok PIR Insulation Board (2.4m x 1.2m)
Vendor:RecticelfromStandardFree Delivery over £350£420Regular price £2,517.80 £3,021.36Sale price £2,517.80 £3,021.36 Regular priceUnit price per£0.00 -
Knauf Rocksilk Flexible Slab (All Sizes) 1200mm x 600mm
Vendor:KnauffromStandardFree Delivery over £350£420Regular price £36.43 £43.72Sale price £36.43 £43.72 Regular priceUnit price per£0.00 -
Karma Soundlay Plus
Vendor:KarmafromRegular price £49.91 £59.89Sale price £49.91 £59.89 Regular priceUnit price per£0.00 -
Profloor Dynamic Deck 26 Hi-Load 26mm x 600mm x 2.4m
Vendor:ProctorProctorFree Delivery over £1,000£1,200Regular price £40.95 £49.14Sale price £40.95 £49.14 Regular priceUnit price per£0.00 -
Kingspan Kooltherm K106 90mm x 1.2m x 0.45m (2.16m2)
Vendor:KingspanStandardFree Delivery over £350£420Regular price £97.12 £116.54Sale price £97.12 £116.54 Regular priceUnit price per£0.00 -
Thinsulex TLX Gold Multifoil 1.2m x 10m (12m2 roll)
Vendor:ThinsulexThinsulexFree Delivery over £300£360Regular price £199.99 £239.99Sale price £199.99 £239.99 Regular priceUnit price per£0.00 -
Thinsulex TLX Silver Multifoil 1.2m x 10m (12m2 roll)
Vendor:ThinsulexThinsulexFree Delivery over £300£360Regular price £130.51 £156.61Sale price £130.51 £156.61 Regular priceUnit price per£0.00 -
Knauf Loft Roll 170mm 44 Combi-Cut (192.24m2) (Pallet Of 24 Packs)
Vendor:KnaufStandardFree Delivery over £350£420POA -
150mm Celotex XR4150 2.4m X 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £61.33 £73.60Sale price £61.33 £73.60 Regular priceUnit price per£0.00 -
120mm Celotex XR4120 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £50.89 £61.07Sale price £50.89 £61.07 Regular priceUnit price per£0.00 -
Celotex 165mm XR4165 2.4m x 1.2m (Pallet Of 12)
Vendor:CelotexStandardFree Delivery over £350£420Regular price £1,079.85 £1,295.82Sale price £1,079.85 £1,295.82 Regular priceUnit price per£0.00 -
Novia Single Sided Breather Membrane Lap Tape 75mm x 25m
Vendor:NoviaRegular price £20.60 £24.72Sale price £20.60 £24.72 Regular priceUnit price per£0.00 -
Spacetherm Multi - All Sizes
Vendor:ProctorfromProctorFree Delivery over £1,000£1,200POA -
Kingspan Kooltherm K5 External Wall Board 1.2m x 0.6m (All Sizes)
Vendor:KingspanfromStandardFree Delivery over £350£420Regular price £137.35 £164.82Sale price £137.35 £164.82 Regular priceUnit price per£0.00 -
Superglass Multiroll 44 - All Sizes
Vendor:SuperglassfromStandardFree Delivery over £350£420Regular price £28.43 £34.12Sale price £28.43 £34.12 Regular priceUnit price per£0.00 -
Recticel Eurothane PL (2.4m x 1.2m) All Sizes
Vendor:RecticelfromStandardFree Delivery over £350£420Regular price £43.98 £52.78Sale price £43.98 £52.78 Regular priceUnit price per£0.00 -
Kingspan Kooltherm Cavity Closers (Pack of 10) - All Sizes
Vendor:KingspanfromStandardFree Delivery over £350£420Regular price £239.13 £286.96Sale price £239.13 £286.96 Regular priceUnit price per£0.00 -
Karma Joisthood 2m (45-60mm Joists)
Vendor:KarmaPOA -
Karma Isolation Strip 15m x 6mm - All Sizes
Vendor:KarmafromRegular price £17.95 £21.54Sale price £17.95 £21.54 Regular priceUnit price per£0.00 -
Karma Overlay 2400mm x 600mm - All Sizes
Vendor:Karmafrom -
Melatech G+ Sheet - Light Grey 2.4 x 1.25m - All Sizes
Vendor:H And H AcousticsfromRegular price £35.70 £42.84Sale price £35.70 £42.84 Regular priceUnit price per£0.00 -
SuperFOIL SFBB 1mm x 1.5m x 25m
Vendor:SuperfoilRegular price £58.84 £70.61Sale price £58.84 £70.61 Regular priceUnit price per£0.00 -
Superfoil SFBA MP 3mm x 0.75m x 50m
Vendor:SuperfoilRegular price £68.80 £82.56Sale price £68.80 £82.56 Regular priceUnit price per£0.00£0.00 -
Superfoil SF40 65mm x 1.5m x 10m
Vendor:SuperfoilRegular price £198.80 £238.56Sale price £198.80 £238.56 Regular priceUnit price per£0.00 -
Eco-Closer - All Sizes
Vendor:ARCfromARCFree Delivery over £450£540Regular price £135.18 £162.22Sale price £135.18 £162.22 Regular priceUnit price per£0.00 -
Contract-Closer Single Flange - All Sizes
Vendor:ARCfromARCFree Delivery over £450£540POA
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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