Kingspan Kooltherm K5 600×1200 – 50mm

The Kingspan Kooltherm K5 50mm Insulation Board (600x1200mm, pack of 10) is a premium rigid phenolic insulation solution designed specifically for external wall insulation systems. Offering one of the lowest thermal conductivities of any rigid board insulation, it delivers exceptional thermal performance while keeping wall thickness to a minimum.

Manufactured with a high-quality fibre-free phenolic core and bonded with a glass tissue facing, these boards are engineered to be durable, lightweight, and easy to install. Whether for new builds or retrofits, Kooltherm K5 helps meet UK building regulations while improving energy efficiency.

Applications of Kingspan Kooltherm K5 50mm

• Designed for use in external wall insulation (EWI) systems
• Ideal for residential, commercial, and refurbishment projects
• Slim profile ensures maximum internal floor space
• Provides outstanding thermal resistance and moisture protection
• Frequently used in London retrofitting to improve energy ratings

Delivery in and Around London

We deliver Kingspan Kooltherm K5 50mm insulation boards (pack of 10) to:

• All London boroughs: Westminster, Hackney, Islington, Croydon, Ealing
• Greater London areas: Bromley, Barnet, Haringey, Richmond
• Surrounding counties: Kent, Surrey, Hertfordshire, Essex

Available for both single packs and bulk orders, with fast turnaround and reliable service for contractors and DIY customers.