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
-
Cembacker Tile Backer Board - All Sizes
Vendor:Cemblocfrom -
Thermo-Loc Platinum Plus FX Check Reveal Cavity Closer 2.4m - All Sizes
Vendor:TimlocfromTimlocFree Delivery over £200£240Regular price £134.65 £161.58Sale price £134.65 £161.58 Regular priceUnit price per£0.00 -
Thermo-Loc 30 min Fire-Rated Cavity Closer 2.4m - All Sizes
Vendor:TimlocfromTimlocFree Delivery over £200£240Regular price £131.22 £157.46Sale price £131.22 £157.46 Regular priceUnit price per£0.00 -
Thermboard Insulated Loft Deck Board SE 1200mm x 600mm x 83mm (Pallet of 24)
Vendor:ThermboardRegular price £758.86 £910.63Sale price £758.86 £910.63 Regular priceUnit price per£0.00 -
Thermboard HP+ Thermal Laminate 2.4m x 1.2m - All Sizes (Price Per Pallet)
Vendor:ThermboardfromRegular price £532.99 £639.59Sale price £532.99 £639.59 Regular priceUnit price per£0.00 -
Cavity Fire Barrier FF102/50 6mm x 75mm x 1m
Vendor:TenmatRegular price £27.34 £32.81Sale price £27.34 £32.81 Regular priceUnit price per£0.00 -
Thermo-Loc Platinum Plus FX 50mm - 100mm Multi Cavity Closer 2.4m (Pack of 10)
Vendor:TimlocTimlocFree Delivery over £200£240Regular price £142.02 £170.42Sale price £142.02 £170.42 Regular priceUnit price per£0.00 -
Thermo-Loc Platinum Plus Check Reveal Multi Cavity Closer 2.4m (Pack of 10)
Vendor:TimlocTimlocFree Delivery over £200£240Regular price £160.74 £192.89Sale price £160.74 £192.89 Regular priceUnit price per£0.00 -
Thermo-Loc Platinum Multi Cavity Closer 2.4m - All Sizes
Vendor:TimlocfromTimlocFree Delivery over £200£240Regular price £143.23 £171.88Sale price £143.23 £171.88 Regular priceUnit price per£0.00 -
Thermo-Loc Platinum Plus Cavity Closer 2.4m - All Sizes
Vendor:TimlocfromTimlocFree Delivery over £200£240Regular price £127.50 £153.00Sale price £127.50 £153.00 Regular priceUnit price per£0.00 -
Thermo-Loc 60 min Fire-Rated Check Reveal Cavity Closer 2.4m - All Sizes
Vendor:TimlocfromTimlocFree Delivery over £200£240Guide Price: £191.04 Guide Price: £229.25 -
Acuphon GypPanel 28 Acoustic Dry Screed Panel - 28mm x 600mm x 1200mm
Vendor:AcuphonRegular price £30.89 £37.07Sale price £30.89 £37.07 Regular priceUnit price per£0.00 -
Cembloc DryBloc 22 Slimline Acoustic Dry Screed Panel - 22mm x 1200mm x 600mm
Vendor:CemblocGuide Price: £34.00 Guide Price: £40.80 -
YBS Breatherquilt Multifoil Insulation Roll 40mm x 1.2m x 10m (12m2 Roll)
Vendor:YBSStandardFree Delivery over £350£420Guide Price: £123.11 Guide Price: £147.73 -
YBS Superquilt Multifoil Insulation Roll - All Sizes
Vendor:YBSfromStandardFree Delivery over £350£420Regular price £0.00 £0.00Sale price £0.00 £0.00 Regular priceUnit price per£0.00 -
VC8 Reflective Air and Vapour Check Laminate 1.5m x 50m (75m2)
Vendor:NoviaNovia RollsFree Delivery over £1,100£1,320Regular price £53.61 £64.33Sale price £53.61 £64.33 Regular priceUnit price per£68.48£82.18Sale -
VC8 Reflective Air And Vapour Control Layer DIY Kit
Vendor:NoviaNovia RollsFree Delivery over £1,100£1,320Regular price £99.99 £119.99Sale price £99.99 £119.99 Regular priceUnit price per£0.00 -
Celotex PL4040 52.5mm 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £53.98 £64.78Sale price £53.98 £64.78 Regular priceUnit price per£0.00 -
Reinforced Protective Membrane - 4m x 50m (200m2)
Vendor:PowerlonRegular price £208.60 £250.32Sale price £208.60 £250.32 Regular priceUnit price per£0.00 -
FlameOut Block Plus Flame Retardant VCL FR Class B - 2m x 50m (100m2)
Vendor:PowerlonRegular price £160.67 £192.80Sale price £160.67 £192.80 Regular priceUnit price per£0.00 -
Powerbase MultiGas 300 Corners
Vendor:PowerlonRegular price £12.93 £15.52Sale price £12.93 £15.52 Regular priceUnit price per£0.00 -
UltraPerm Premium 135gsm Roof & Wall Breather Membrane / Underlay - All Sizes
Vendor:PowerlonfromRegular price £57.53 £69.04Sale price £57.53 £69.04 Regular priceUnit price per£0.00 -
Ultrablock 200 Thermo Reflective Vapour Control Layer - 1.6m x 50m (80m2)
Vendor:PowerlonRegular price £81.81 £98.17Sale price £81.81 £98.17 Regular priceUnit price per£0.00 -
Ultrablock 300 Thermo Reflective Vapour Control Layer - 2m x 50m (100m2)
Vendor:PowerlonRegular price £249.99 £299.99Sale price £249.99 £299.99 Regular priceUnit price per£0.00 -
Powerbase MultiGas 500 Gas Barrier Membrane - 2m x 50m (100m2)
Vendor:PowerlonRegular price £326.33 £391.60Sale price £326.33 £391.60 Regular priceUnit price per£0.00 -
Powerbond Foil Tape - 75mm x 50m
Vendor:PowerlonRegular price £17.48 £20.98Sale price £17.48 £20.98 Regular priceUnit price per£0.00 -
Celotex PL4060 72.5mm 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £62.56 £75.07Sale price £62.56 £75.07 Regular priceUnit price per£0.00 -
VCL 250 Air and Vapour Control Layer - 2m x 50m (100m2)
Vendor:PowerlonRegular price £147.70 £177.24Sale price £147.70 £177.24 Regular priceUnit price per£0.00 -
Celotex PL4050 62.5mm 2.4m x 1.2m
Vendor:CelotexStandardFree Delivery over £350£420Regular price £58.19 £69.83Sale price £58.19 £69.83 Regular priceUnit price per£0.00 -
VCL 170 Air and Vapour Control Layer - 2m x 50m (100m2)
Vendor:PowerlonRegular price £119.80 £143.76Sale price £119.80 £143.76 Regular priceUnit price per£0.00 -
ThermaPerm House Wrap Breather Membrane - All Sizes
Vendor:PowerlonfromRegular price £277.20 £332.64Sale price £277.20 £332.64 Regular priceUnit price per£0.00 -
Powerbond FR Aluminium VCL Tape - 50mm x 47.5m
Vendor:PowerlonRegular price £10.99 £13.19Sale price £10.99 £13.19 Regular priceUnit price per£0.00 -
FlameOut Block Class A2 Flame Retardant VCL Vapour Control Layer - 1.5m x 50m (75m2)
Vendor:PowerlonRegular price £356.93 £428.32Sale price £356.93 £428.32 Regular priceUnit price per£0.00 -
Powerbond Double Sided Butyl Tape - All Sizes
Vendor:PowerlonfromRegular price £8.63 £10.36Sale price £8.63 £10.36 Regular priceUnit price per£0.00 -
Powerbase VOC Top Hats
Vendor:PowerlonfromRegular price £15.60 £18.72Sale price £15.60 £18.72 Regular priceUnit price per£0.00
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.
Rated Excellent



