Welcome to the New Keller Supply Website - Our new website is now live. Enjoy improved product search, enhanced navigation, and an upgraded online experience. We welcome your feedback as you explore the new site.
Sprayable
Fiber-free
Seal joints and seams from the inside of the ductwork
Mold-resistant
Passes ASTM C731
Meets and exceeds all SMACNA pressure classes
UL181B-M Listed
LEED Compliant
NSF Approved
Passes SCAQMD Rule 1168
RS-100 is a water-based, spray sealant engineered to seal joints, penetrations and seams from inside of the HVAC ductwork. The superior physical properties of this non-tack sealant will meet and exceed the SMACNA pressure classes and its flexibility allows for the system operation without cracking. RS-100 sealant is formulated with EPA registered chemicals to resist microbial growth on the surface of the sealant.