Kingspan Kooltherm K5 external wall board
chevron_left chevron_right

Kingspan Kooltherm K5 external wall board

External insulation for masonry walls.


100% Secure


Next Day Delivery Available


Return or change products


Kingspan Kooltherm K5 External Wall Board is the external wall insulation comprising a premium performance rigid thermoset phenolic insulation core faced on both sides with a glass tissue based facing auto-adhesively bonded to the insulation core during manufacture. The product is manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).
  • Class 0 fire rating
  • Class 0 fire rated insulation core
  • Negligible smoke obscuration
  • Suitable for use behind traditional and lightweight polymer modified renders and dry cladding systems
  • 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


  • Solid brick wall
  • Solid blockwork wall
  • Cavity block wall
  • Cavity brick wall
  • Cavity dense block wall

Data sheet

Data sheet
Kooltherm K5
0.72 sq m per sheet