RectorSeal Smoke and Acoustic Sealant provides an excellent sound attenuation characteristics in accordance with ASTM E90 and reduces the movement of smoke and airborne particles as demonstrated in air leakage testing modified UL 1479 and modified UL 2079. Available in caulk and spray grade. STC rating 69.
Meets LEED Criteria
Easy to dispense
Water clean up
Use both vertically or horizontally
STC rating 69