Kingspan Kooltherm K5 External Wall Board 1200x600x50mm

Kingspan Kooltherm K5 External Wall Board

Premium performance external wall insulation

Kingspan Kooltherm K5 External Wall Board is an external insulation for masonry walls.

A premium performance insulation with a fibre-free rigid thermoset phenolic core, it is suitable for use behind traditional and lightweight polymer modified renders and dry cladding systems.

Depending on the insulation thickness, Kingspan Kooltherm K5 External Wall Board provides a thermal conductivity between 0.020 W/m·K and 0.023 W/mK.

Technical Specification

Thermal conductivity (thickness of insulation)
0.023 W/mK (15 - 24 mm)
0.021 W/mK (25 - 44 mm)
0.020 W/mK (≥ 45 mm)

Facings: Glass tissue
Core: Premium performance rigid thermoset phenolic insulation manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP)
Board size: 1.2 x 0.6 metres
Green Guide Rating: Kingspan Kooltherm K5 External Wall Board achieves a Green Guide Rating of A+

Product Features

• Premium performance rigid thermoset insulation – thermal conductivities as low as 0.020 W/m.K
• Suitable for use behind traditional and lightweight polymer modifi ed renders
• Unaffected by air infiltration
• Resistant to the passage of water vapour
• Easy to handle and install
• Ideal for new build and refurbishment
• Non−deleterious material
• Manufactured with a blowing agent that has zero ODP and low GWP