INSS0285 Smoke and Acoustic Sealant

INSS0285 Smoke and Acoustic Sealant is a high performance acrylic based sealant for sealing construction joints and through penetrations in non fire-rated assemblies. INSS0285 offers a Reduction in the transmission of sound through wall openings, stops the passage of smoke in smoke barrier walls and stops air leakage to reduce the passage of dust and airborne infectious particles.
Technical Data
Features
- Low VOC, single component
- Excellent caulking and spraying properties
- Silicone, halogen, asbestos and solvent free.
- Excellent airborne sound insulation.
- Smoke and fume resistant.
- Easy clean up with water.
- Low volume shrinkage.
- Paintable.
*Available in caulking and sprayable Grades
Types of Applications



Color | White |
Chemical basis | Water based acrylic dispersion |
Density | 1.6 ± 0.1 g/cm³ |
Skin-forming time | Approx. 25 min |
Curing time | 3mm/3days (@ 25°C/ RH50%) |
Elongation at break | 300% |
Typical thickness | 1mm WFT = 0.7mm DFT |
Temperature | 40° F – 104° F (5° C – 40° C) |
In-Service Temperature | -13° F – 176° F (-25° C – 80° C) |
Storage Temperature | 50° F – 95° F (10° C – 35° C) |
Mold and mildew (ASTM G21) | Mold resistant (Class 0) |
Volume Shrinkage(ASTM C1241) | 22.3% |
VOC | 42g/L |
Surface burning characteristics | Flame spread:0 |
UL 723 (ASTM E84) | Smoke development: 5 |
STC Rating | 63 (per construction type) |
Packaging | 310ml/Tube ; 25Tubes/CTN 20 fl.Oz/Sausage 20 Sausages/CTN 5Gal./Pail (SPRAYABLE) |