JetSpray™

JetSpray Thermal Insulation is a high-performance, spray-on insulation system with an adhesive added. Knauf Insulation’s stabilized fiber technology allows the JetSpray spray-on insulation system to be applied in a net-less, side wall application—creating a custom insulation solution for every project.

Performance dashboard

Features & functionality

  • Easy installation – quickly and consistently applied with no gaps or voids
  • Thermal efficiency – delivers maximum of R-15 in a 2 x 4 cavity and R-23 in a 2 x 6 cavity
  • Acoustical benefits – improves Sound Transmission Class (STC) ratings by 4-10 points


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Environment & materials

Improved by:

  • Utilization of recycled glass
  • Optimized compression packaging


Certification & rating systems:

  • Declare, Red List Free
  • UL GREENGUARD Gold certified
  • UL Validated recycled content & formaldehyde-free
  • Audited, European Certification Board for Mineral Wool Products exoneration process