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Knauf RS45 (All Sizes) 600mm x 1200mm
Vendor:KnauffromStandardFree Delivery over £350£420Regular price £30.81 £36.97Sale price £30.81 £36.97 Regular priceUnit price per£0.00 -
Resonate ResoDeck Direct Acoustic Floor Panel - 37mm x 2400mm x 600mm
Vendor:Resonate SystemsRegular price £38.99 £46.79Sale price £38.99 £46.79 Regular priceUnit price per£0.00 -
35mm acoustic hanger (100)
Vendor:Build4lessRegular price £175.42 £210.50Sale price £175.42 £210.50 Regular priceUnit price per£0.00 -
Sheepwool SilentWool Joist Insulation - 0.1m x 10m
Vendor:SheepwoolRegular price £8.45 £10.14Sale price £8.45 £10.14 Regular priceUnit price per£0.00 -
Profloor Excel Deck 31 Hi-Load 31mm x 600mm x 2.4m
Vendor:ProctorProctorFree Delivery over £1,000£1,200Regular price £37.00 £44.40Sale price £37.00 £44.40 Regular priceUnit price per£0.00 -
Karma Regupol 3912
Vendor:KarmaGuide Price: £170.05 Guide Price: £204.06 -
Karma Regupol 7210c 5mm x 2.25m x 1.15m
Vendor:KarmaGuide Price: £16.95 Guide Price: £20.34 -
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 -
Knauf Loft Roll 44 Combi-Cut - All Sizes
Vendor:KnauffromStandardFree Delivery over £350£420Regular price £29.69 £35.63Sale price £29.69 £35.63 Regular priceUnit price per£0.00 -
Rockwool RW3 (All Sizes)
Vendor:RockwoolfromStandardFree Delivery over £350£420Regular price £381.12 £457.34Sale price £381.12 £457.34 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 -
Sheepwool SilentWool Carpet Insulation - 1m x 10m
Vendor:SheepwoolRegular price £111.98 £134.38Sale price £111.98 £134.38 Regular priceUnit price per£0.00 -
Superfoil SF19BB (All Sizes)
Vendor:SuperfoilfromRegular price £98.80 £118.56Sale price £98.80 £118.56 Regular priceUnit price per£0.00 -
Profloor Solo Deck 23 23mm x 600mm x 2.4m
Vendor:ProctorProctorFree Delivery over £1,000£1,200Regular price £35.20 £42.24Sale price £35.20 £42.24 Regular priceUnit price per£0.00 -
Profloor Micro Deck 17 Hi-Load 1.2m x 600mm x 17mm
Vendor:ProctorProctorFree Delivery over £1,000£1,200Regular price £21.01 £25.21Sale price £21.01 £25.21 Regular priceUnit price per£0.00 -
Profloor Dynamic Batten
Vendor:ProctorfromProctorFree Delivery over £1,000£1,200Regular price £7.99 £9.59Sale price £7.99 £9.59 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 -
Karma Regupol 4515 Multi 4.5mm
Vendor:KarmaGuide Price: £189.53 Guide Price: £227.44 -
Rockwool RWA45 (All Sizes)
Vendor:RockwoolfromStandardFree Delivery over £350£420Regular price £23.60 £28.32Sale price £23.60 £28.32 Regular priceUnit price per£0.00 -
Rockwool Flexi-Slab - All Sizes
Vendor:RockwoolfromStandardFree Delivery over £350£420Regular price £37.95 £45.54Sale price £37.95 £45.54 Regular priceUnit price per£0.00 -
Karma Easypanel 15mm x 1200mm x 800mm
Vendor:KarmaGuide Price: £34.05 Guide Price: £40.86 -
Karma Regupol 4515 Multi 3mm
Vendor:KarmaGuide Price: £154.31 Guide Price: £185.17 -
Karma Regupol E48
Vendor:KarmaGuide Price: £219.95 Guide Price: £263.94 -
Thinsulex TLX Multifoil (1.2m x 10m) - All Colours
Vendor:ThinsulexfromThinsulexFree Delivery over £300£360Regular price £130.51 £156.61Sale price £130.51 £156.61 Regular priceUnit price per£0.00 -
Knauf RS140 (600mm x 1200mm) - All Sizes
Vendor:KnauffromStandardFree Delivery over £350£420POA -
Knauf RS100 (600mm x 1200mm) - All Sizes
Vendor:KnauffromStandardFree Delivery over £350£420Regular price £616.59 £739.91Sale price £616.59 £739.91 Regular priceUnit price per£0.00 -
Isover APR 1200 - All Sizes
Vendor:IsoverfromStandardFree Delivery over £350£420Regular price £41.79 £50.15Sale price £41.79 £50.15 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 -
VC2 Air Leakage & Vapour Control Layer 1.5m x 50m (75m2 Roll)
Vendor:NoviaNovia RollsFree Delivery over £1,100£1,320Regular price £84.66 £101.59Sale price £84.66 £101.59 Regular priceUnit price per£0.00 -
Superfoil SF19 Plus (All Sizes)
Vendor:SuperfoilfromRegular price £98.20 £117.84Sale price £98.20 £117.84 Regular priceUnit price per£0.00 -
100% Sheepwool Insulation Comfort Roll (All Sizes)
Vendor:SheepwoolfromRegular price £78.60 £94.32Sale price £78.60 £94.32 Regular priceUnit price per£0.00 -
Superfoil SF60 100mm x 1.5m x 8m
Vendor:SuperfoilRegular price £214.00 £256.80Sale price £214.00 £256.80 Regular priceUnit price per£0.00 -
Karma Joisthood 2m (45-60mm Joists)
Vendor:KarmaPOA -
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 -
Karma Soundlay 9mm x 1200 x 1000mm
Vendor:KarmaRegular price £22.94 £27.53Sale price £22.94 £27.53 Regular priceUnit price per£0.00 -
Karma Regupol 4515 Eco 3mm
Vendor:KarmaGuide Price: £149.75 Guide Price: £179.70
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.
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