50mm Kingspan Kooltherm K103 Floor Insulation Board

50mm Kooltherm K103 is a high-performance floor insulation board engineered for use beneath solid concrete and suspended timber floors. Delivering a thermal conductivity of 0.019 W/mK, this product offers outstanding thermal performance for both new construction and renovation work.

Product Specification

Brand: Kingspan

Thickness: 50mm

Length: 2400mm

Width: 1200mm

Dimensions: 2,400mm x 1,200mm x 50mm

Coverage: 17.28m2

Density: 40kg/m3

Compressive Strength: >120 (kPa)

Material: Premium-grade rigid thermoset phenolic insulation with lower thermal conductivity.

Profile: Square Edge

R-Value: 2.63m2K/W

Thermal Conductivity: Kingspan K103 maintains a thermal conductivity of 0.019 W/mK across all available thicknesses.

Weight: 2.67 kg (approximately 3.70 kg/m2 at 100mm thickness)

Fire Classification: Achieves Euroclass C-s2,d0 to EN 13501-1: 2018.

Vapour Resistivity: 370MNs/gm

Facings: Both sides feature glass tissue-based facing, autohesively bonded during manufacture.

Finish: Glass tissue facings

Applications: Floor insulation ǀ Underfloor Heating Insulation

BBA Certified: Yes (no. 16/5299)

Vapour Control Layer: Yes

Features: Premium ǀ Non-deleterious

Key Features

1. Achieves superior U-values with minimal board depth, positioning it among the most efficient insulation solutions for floor applications.
2. Economical choice reducing costs associated with ground excavation and service routing.
3. Fully compatible with underfloor heating systems, expanding application possibilities.
4. Lightweight construction simplifies transport, handling, and on-site installation.
5. Part of our premium insulation collection, guaranteeing superior quality standards.
6. Occupancy Wellbeing: Fibre-free core construction.

Construction Efficiency

50mm Kooltherm floor insulation boards feature a lightweight design that streamlines transportation, handling, and installation processes on site.

The Facings

50mm Kingspan Kooltherm K103, produced at Kingspan Insulation in Pembridge, Herefordshire, incorporates glass tissue-based facing bonded to the core during manufacturing. Applied to both surfaces, this facing provides reliable and long-lasting protection.

The Core

50mm Kingspan K103 Phenolic insulation features a premium-grade rigid thermoset phenolic core. This material is fibre-free and manufactured with a blowing agent possessing zero Ozone Depletion Potential (ODP) and minimal Global Warming Potential (GWP), delivering an environmentally responsible insulation product with exceptional thermal characteristics.

Info

Browse our complete Kingspan range and refine by thickness or coverage area using the left-hand filters. For project-specific guidance or bulk pricing enquiries, contact us on +4402038839057, email sales@insulationbee, or use Live Chat - Lowest UK Insulation Prices.