Kingspan Floor Insulation | Floor Insulation | Kingspan Insulation

Kingspan Floor Insulation products are renowned for their superior thermal performance and durability. This category features a range of Kingspan Kooltherm K103 Floorboards, designed to provide exceptional insulation for a variety of flooring applications.

Kingspan Kooltherm K103 Floorboard

The Kingspan Kooltherm K103 Floorboards are a standout product in this category. They are available in all sizes, with a standard dimension of 2400mm x 1200mm. These floorboards are engineered for optimal thermal efficiency, making them an ideal choice for both residential and commercial buildings.

Selection Guide for Kingspan Floor Insulation

• Floor Type: Consider the type of flooring (concrete, timber, etc.) to ensure compatibility.
• Building Requirements: Factor in the specific thermal and energy efficiency requirements of the building.
• Size Requirements: Available in various sizes to fit different floor dimensions.

Benefits of Kingspan Floor Insulation

• High thermal efficiency: Achieve target U-values with slimmer build-ups, ideal where thresholds and stairs limit height.
• Strong and durable: Rigid boards provide dependable compressive performance for everyday domestic and light-commercial loads.
• Fast installation: Lightweight boards cut cleanly and lay quickly; fewer layers vs. mineral alternatives.
• Moisture management: With the correct DPM/VCL, systems resist ground moisture and reduce interstitial condensation risk.
• UFH-friendly: Stable platform for underfloor heating, supporting fast heat-up and even distribution.
• Regulatory confidence: Well-documented performance and wide specification acceptance across UK new-build and retrofit.

Applications of Kingspan Floor Insulation

• Under-screed on ground-bearing slabs in extensions, new-build homes and commercial units.
• Floating timber floors over slabs in refurbishments where speed and minimal disruption matter.
• Beam-and-block and suspended timber floors to cut heat loss through ventilated voids.
• Rooms with underfloor heating (UFH) where a consistent thermal response is essential.
• Retrofit upgrades to improve comfort and reduce bills without major structural changes.
• Ancillary spaces (home offices, utility rooms, garden rooms) with appropriate load and moisture detailing.

Why Choose Build4Less?

• Specialist advice: Speak to our insulation team for U-value guidance, thickness optimisation and product pairing with UFH, membranes and screeds.
• Trade-friendly pricing: Competitive rates with multi-pack and project-volume discounts.
• UK-wide delivery: Fast, reliable logistics with clear lead-time communication.
• Trusted brands: Genuine Kingspan products with documentation available on request.
• One-stop shop: Add DPMs, VCLs, perimeter upstands, chipboard overlays and UFH accessories in a single order.