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
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
- UL Validated formaldehyde-free
- Audited, European Certification Board for Mineral Wool Products exoneration process
- ASTM C1014