Kooltherm K8
Cavity Board

Kooltherm K8 Brick Outer Block Inner Drywall

Partial Fill Cavity Wall Insulation

Kingspan Kooltherm K8 Cavity Board is a premium performance insulation product, with a fiber–free rigid thermoset phenolic core, faced on both sides with a low emissivity composite foil facing which is used for insulation in partially filled cavity walls.
  • Higher R–value per inch than any commonly used insulation
  • R-value of 6.8 per inch
  • Negligible smoke developed
  • Extensive NFPA 285 compliant wall system
  • Clear cavity is maintained – resists moisture penetration
  • Low emissivity foil facings
  • Unaffected by air infiltration
  • Safe and easy to install – no irritative fibers produced
  • Manufactured with a blowing agent that has zero ODP, low GWP, and HCFC and CFC free

Product Information

Product Data Table
Product Brochure
Code Compliance
Safety Data Sheet
CSI 3 Part Specification
BIM Objects / CAD Details

Kooltherm K8 Cavity Board Brochure

TER 1601-06

Technical Evaluation Report 1601-06 NFPA 285 - Kooltherm Insulation Board

Technical Evaluation Report 1601-07 NFPA 286

Technical Evaluation Report 1601-07 NFPA 286 - Kooltherm Insulation Board

TER 1603-04

Technical Evaluation Report 1603-04 - Kooltherm Insulation Board Exterior Wall Coverings Attachment


BIM Objects / CAD Details

Click the link below to view our BIM Objects / CAD Details from ARCAT

Kingspan Insulation BIM Objects/CAD Details from ARCAT

Download Typical Wall Assemblies

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Our teams are dedicated to helping make the process as easy as possible and ensure you get the right materials for your needs.

Contact Us

Kingspan Insulation North America

Head Office & Sales Office – North America

Kingspan Insulation LLC

2100 Riveredge Parkway, Suite 175

Atlanta, Georgia



Call: +1(800) 241 4402