Kooltherm K15
Rainscreen Board

Kooltherm K15 Steel Frame

Insulation for Rainscreen Cladding Systems

Kingspan Kooltherm K15 Rainscreen Board is a premium performance insulation, with a fiber–free rigid thermoset phenolic insulation core faced on both sides with a low emissivity composite foil facing. The product is used as insulation for rainscreen cladding systems.

The core of Kingspan Kooltherm K15 Rainscreen Board is a premium performance rigid thermoset fiber-free phenolic insulant manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).

  • Higher R–value per inch than any commonly used insulation
  • Extensive NFPA 285 compliant wall systems
  • UL Classified
  • R-value of 6.8 per inch
  • Negligible smoke developed
  • ASTM E84 rating of 25/20 (flame-smoke)
  • Clear cavity is maintained - resists moisture penetration
  • Easy to handle and install
  • Manufactured with a blowing agent that has zero ODP, low GWP, and HCFC and CFC free

Product Information

Product Data Table
Code Compliance
Product Brochure
Safety Data Sheet
CSI 3 Part Specification
BIM Objects / CAD Details
TER 1601-06

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

Kooltherm K15 Rainscreen Board Brochure

Do you need assistance planning your project?

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