-
SuperFOIL SFTV (1mm x 1.5m) All Lengths
Vendor:SuperfoilfromRegular price £48.80 £58.56Sale price £48.80 £58.56 Regular priceUnit price per£0.00£0.00 -
Isover Spacesaver Ready-Cut - All Sizes
Vendor:IsoverfromStandardFree Delivery over £350£420Regular price £31.70 £38.04Sale price £31.70 £38.04 Regular priceUnit price per£0.00 -
Essentials25mm Shock Pad Tile 2.25m x 0.9m
Vendor:Artificial GrassEssentialsFree Delivery over £250£300Regular price £37.55 £45.06Sale price £37.55 £45.06 Regular priceUnit price per£0.00 -
Barrier Mat 2 x 1.2m - All Sizes
Vendor:H And H AcousticsfromGuide Price: £20.67 Guide Price: £24.80 -
Karma Visco 400 36mm x 2400mm x 600mm
Vendor:KarmaGuide Price: £61.50 Guide Price: £73.80 -
Karma Visco 1200mm x 600mm - All Sizes
Vendor:KarmafromGuide Price: £25.70 Guide Price: £30.84 -
Karma Overlay 2400mm x 600mm - All Sizes
Vendor:Karmafrom -
Soprema Tecsound SY50 6.05m x 1.22m
Vendor:SopremaGuide Price: £114.95 Guide Price: £137.94 -
Gyproc Thermaline Plus (2.4m x 1.2m) All Sizes (Price Per Pallet)
Vendor:British GypsumfromStandardFree Delivery over £350£420Regular price £1,352.12 £1,622.54Sale price £1,352.12 £1,622.54 Regular priceUnit price per£0.00 -
Tyvek Supro Plus 50m x 1.5m
Vendor:TyvekStandardFree Delivery over £350£420Regular price £199.63 £239.56Sale price £199.63 £239.56 Regular priceUnit price per£0.00 -
IKO Enertherm ALU PIR 2.4m x 1.2m - All Sizes
Vendor:IKO PIRfromStandardFree Delivery over £350£420Regular price £15.84 £19.01Sale price £15.84 £19.01 Regular priceUnit price per£0.00 -
Soprema Tecsound SY100 4m x 1.2m
Vendor:SopremaGuide Price: £140.97 Guide Price: £169.16 -
Knauf Acoustic Roll - All Sizes
Vendor:KnauffromStandardFree Delivery over £350£420Regular price £42.25 £50.70Sale price £42.25 £50.70 Regular priceUnit price per£0.00 -
STRP ProMax High Performance Reinforced Foil Vapour Control Layer 1.6m x 50m (80m2 Roll)
Vendor:NoviaNovia RollsFree Delivery over £1,100£1,320Regular price £201.20 £241.44Sale price £201.20 £241.44 Regular priceUnit price per£0.00 -
Black Mountain Natuwool Rolls - All Sizes
Vendor:Black MountainfromStandardFree Delivery over £350£420Regular price £73.74 £88.49Sale price £73.74 £88.49 Regular priceUnit price per£0.00 -
VC200 Reflective Air Leakage & Vapour Control Layer 1.5m x 50m (75m2 Roll)
Vendor:NoviaNovia RollsFree Delivery over £1,100£1,320Regular price £86.20 £103.44Sale price £86.20 £103.44 Regular priceUnit price per£0.00 -
Danosa Fonodan 50 Auto Adhesive Tape - 10m x 0.05m
Vendor:DanosaRegular price £8.20 £9.84Sale price £8.20 £9.84 Regular priceUnit price per£0.00 -
Danosa Impactodan 5 Polyethylene Foam Sheet
Vendor:DanosafromRegular price £27.89 £33.47Sale price £27.89 £33.47 Regular priceUnit price per£0.00 -
Wraptite FZ Membrane - All Sizes
Vendor:ProctorfromProctorFree Delivery over £1,000£1,200Regular price £89.95 £107.94Sale price £89.95 £107.94 Regular priceUnit price per£0.00 -
Danosa Impactodan 10 Polyethylene Foam Sheet - 25m x 2m
Vendor:DanosaRegular price £147.32 £176.78Sale price £147.32 £176.78 Regular priceUnit price per£0.00 -
Micafil Vermiculite Loose Fill Loft Insulation (Large Grade) 110 Litre Bag
Vendor:DupreDupreFree Delivery over £450£540Guide Price: £53.19 Guide Price: £63.83 -
Save up to 21%Forgefix Loft Leg (Box of 12) - All Sizes
Vendor:ForgefixfromForgefixFree Delivery over £80£96Regular price £11.90 £14.28Sale price £11.90 £14.28 Regular priceUnit price per£14.98£17.98Sale -
Permo Frame Anthracite - All Sizes
Vendor:KloberfromKloberFree Delivery over £325£390Regular price £153.32 £183.98Sale price £153.32 £183.98 Regular priceUnit price per£0.00 -
Kemwell MP-1000 6mm x 2400mm x 1200mm (100 Sheets per Pallet)
Vendor:Kemwell FireGuide Price: £4,008.73 Guide Price: £4,810.48 -
Superfoil SFTV-FR - All Sizes
Vendor:SuperfoilfromRegular price £29.84 £35.81Sale price £29.84 £35.81 Regular priceUnit price per£0.00 -
IKO Enertherm ALU 25mm x 2.4m x 1.2m
Vendor:IKO PIRStandardFree Delivery over £350£420Regular price £15.84 £19.01Sale price £15.84 £19.01 Regular priceUnit price per£0.00 -
IKO Enertherm ALU 70mm x 2.4m x 1.2m
Vendor:IKO PIRStandardFree Delivery over £350£420Regular price £33.29 £39.95Sale price £33.29 £39.95 Regular priceUnit price per£0.00 -
IKO Enertherm ALU 110mm x 2.4m x 1.2m
Vendor:IKO PIRStandardFree Delivery over £350£420Regular price £49.15 £58.98Sale price £49.15 £58.98 Regular priceUnit price per£0.00 -
Eolis HC 135mm x 1.5m x 8m (12m2 Roll)
Vendor:ActisStandardFree Delivery over £350£420Regular price £185.71 £222.85Sale price £185.71 £222.85 Regular priceUnit price per£0.00 -
Danosa Fonodan 900 Double Layer Acoustic Membrane - 10m x 0.92m
Vendor:DanosaRegular price £78.89 £94.67Sale price £78.89 £94.67 Regular priceUnit price per£0.00 -
Kemwell FP-900 2400mm x 1200mm - All Sizes
Vendor:Kemwell FirefromGuide Price: £7,174.67 Guide Price: £8,609.60 -
IKO Enertherm ALU 30mm x 2.4m x 1.2m
Vendor:IKO PIRStandardFree Delivery over £350£420Regular price £18.28 £21.94Sale price £18.28 £21.94 Regular priceUnit price per£0.00 -
IKO Enertherm ALU 75mm x 2.4m x 1.2m
Vendor:IKO PIRStandardFree Delivery over £350£420Regular price £33.29 £39.95Sale price £33.29 £39.95 Regular priceUnit price per£0.00 -
IKO Enertherm ALU 120mm x 2.4m x 1.2m
Vendor:IKO PIRStandardFree Delivery over £350£420Regular price £49.99 £59.99Sale price £49.99 £59.99 Regular priceUnit price per£0.00 -
STS Insulation Board 1.2m x 0.6m (Pallet of 10) - All Sizes
Vendor:STS UKfromRegular price £104.11 £124.93Sale price £104.11 £124.93 Regular priceUnit price per£0.00 -
Steico Therm Internal Wood Fibre Insulation Board SE - All Sizes
Vendor:SteicofromRegular price £5.10 £6.12Sale price £5.10 £6.12 Regular priceUnit price per£0.00
Floor Insulation | Insulation boards
Welcome to our Floor Insulation category at Build4Less Here, you'll find a comprehensive range of floor insulation solutions catering to various needs and preferences. Let's explore the different types of floor insulation available and guide you in selecting the perfect fit for your project.
Polyisocyanurate (PIR) Insulation Boards
Our PIR Insulation Boards, such as Celotex GA4000, TB4000, XR4000, and Mannok Therm PIR, are renowned for their thermal efficiency. These boards are versatile, making them suitable for multiple applications, including underfloor heating systems. Their rigid structure provides excellent load-bearing capacity, ideal for floors that experience regular foot traffic.
Expanded Polystyrene (EPS) Insulation
EPS 70 offers a cost-effective insulation solution with good thermal properties. This lightweight material is easy to handle and install, making it a popular choice for DIY enthusiasts and professionals alike. It's particularly effective in areas where moisture resistance and durability are key considerations.
Kingspan Insulation Boards
Kingspan Thermafloor TF70 and Kooltherm K103 boards are premium options known for their exceptional thermal performance. These boards are thinner than traditional insulation materials, providing more space without compromising on insulation quality.
Specialized Acoustic Insulation
For those looking to reduce noise transmission, our Karma Acoustilay and Regupol Quietlay products are ideal. They are specifically designed to enhance acoustic insulation in floors, making them perfect for apartments, studios, and offices.
Extruded Polystyrene (XPS) Insulation
Products like Danosa Danopren TR XPS and BASF Styrodur XPS are excellent for high-load applications. These insulations offer superior moisture resistance and strength, ideal for basements and areas prone to dampness.
Mineral Wool Insulation
Knauf OmniFit Slabs and Rolls provide robust thermal and acoustic insulation. These are versatile and can be used in various applications, including floor insulation. They are particularly useful in environmentally conscious projects due to their sustainable composition.
Advanced Insulation Solutions
For cutting-edge insulation needs, Spacetherm Blanket and Eco-versal offer high-performance options. These materials are designed for maximum efficiency in thermal insulation, making them suitable for high-specification projects.
Accessories
We also offer essential accessories like Foil Tape to ensure a complete and effective insulation installation.
Choosing the Right Floor Insulation
- Thermal Performance: Consider the U-value you need to achieve and choose a product that meets these requirements.
- Application Area: For underfloor heating, opt for high compressive strength products like PIR boards. For noise-sensitive areas, go for acoustic insulation.
- Environmental Conditions: In damp areas, choose moisture-resistant options like XPS.
- Space Constraints: If space is limited, consider thinner, high-performance options like Kingspan boards.
Remember, our range covers various sizes and thicknesses to cater to different project scales and requirements.
To achieve the best thermal performance and long-term durability, it’s important to pair your floor insulation with the right supporting products. For a smooth and professional finish, explore our range of Insulated Plasterboard, which combines insulation and plasterboard in one solution—ideal for improving thermal efficiency across your interior spaces.
If you're working on structural or subfloor preparation, our Concrete Blocks provide a strong and reliable base, helping to support insulation systems in both residential and commercial builds. For additional insulation across walls and roofs, consider our high-performance Celotex Insulation Boards, designed to deliver excellent thermal resistance.
By combining these materials with your floor insulation, you can create a fully integrated insulation system that maximises energy efficiency and comfort throughout your property.
Frequently Asked Questions – Floor Insulation
What is floor insulation and why is it important?
Floor insulation involves adding insulating material beneath or above your floor structure to reduce heat loss. It helps keep your home warmer, improves comfort, and lowers energy bills by preventing heat from escaping into the ground.
Do I need floor insulation in all rooms?
Not always. Floor insulation is most beneficial for ground floors or floors above unheated spaces such as garages or basements. Upper floors usually don’t require insulation unless heat loss is a concern.
Is floor insulation suitable for older properties?
Yes, floor insulation can be installed in both new builds and older properties. For older homes, it is often added between timber joists or as a floating floor system above existing concrete floors.
Does floor insulation improve comfort?
Yes, insulating your floor helps maintain a consistent indoor temperature, making rooms feel warmer in winter and cooler in summer, while also reducing draughts.
How long does floor insulation last?
Most insulation materials are designed to last for decades when properly installed, providing long-term energy savings and performance.
Rated Excellent



