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 • • • • • • • 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 Saving lives through innovation and education 54 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.