Product Technical Guides : US-EN Firestop Systems Guide For Specifiers | Page 56

SMOKE AND ACOUSTIC SPRAY CP 572
Applications
• Sealing construction joint openings in non fire-rated acoustical assemblies and
smoke partitions (Not for use in fire-rated applications)
Advantages
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Quick and easy spray application
Can be applied at low temperatures
One-sided solutions available
Excellent airborne sound insulation properties
High elasticity for good movement absorption
Excellent sprayability and low slump characteristics
Paintable
Restricts smoke migration
Excellent sound insulation characteristics with application based
testing in accordance with ASTM E 90.
Installation instructions
• See Hilti Literature or third-party listings for complete application and
installation details
Technical Data
Hilti Firestop
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Color white
Chemical basis acrylic
Storage and transport temperature range 40°F to 77°F (5°C to 25°C)
Curing time approx.
(73°F / 50% relative humidity) approx. 3 mm / 3 days
Skin-forming time
(73°F / 50% relative humidity) approx. 15 min
Application temperature range 40°F to 104°F (5°C to 40°C)
Shelf life 12 months from date of manufacture
Sound transmission classification (ASTM E
90) STC 56 (per tested construction type)
Surface burning characteristics
(ASTM E 84-08) Flame spread: 10
Smoke development: 5
Movement capability approx. 12.5%
Mold and mildew (ASTM G 21) mold resistant
Air leakage (Modified UL 2079 L-Rating) L-Rating at Ambient =Less than 1 CFM / Lin Ft.
L-Rating at 400°F =Less than 1 CFM / Lin Ft.