Product Technical Guides : US-EN Firestop Systems Guide For Specifiers | Page 38

BOTTOM-OF-WALL FIRESTOP SEALANT
CP 605 BOW
Product description
• Sealing bottom-of-wall joints in approved fire-rated assemblies
Product features
• Applications requiring excellent smoke resistance and sound attenuation
properties
• Helps protect bottom-of-wall joints in approved 1 hr and 2 hr rated assemblies
• Excellent airborne sound insulation properties
Installation instructions
• See Hilti Literature or third-party listings for complete application and
installation details
Technical Data*
Chemical basis Water-based acrylic dispersion
Approx. density 93.6 lb/ft³
Color White
Application temperature range 40 - 104 °F
Approx. cure time 1) 3 mm/3 days
Movement Approx. 12.5%
Temperature resistance range -4 – 176 °F
Mold and mildew performance Class 1 (ASTM G21-96)
Mold and mildew resistant Yes
Surface burning characteristics
UL 723 (ASTM E84) Flame spread: 10
Smoke development: 10
STC rating 64 (relates to specific construction)
1) at 75°F/24°C, 50% relative humidity
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