Product Technical Guides : US-EN Firestop Systems Guide For Specifiers | Page 44

FIRESTOP MORTAR CP 637
Product description
• Fire-resistant mortar suitable for firestopping large openings
Product features
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Quick-setting — forms can be removed in as little as 2 hours
Superior working properties
Can be used in horizontal or vertical applications
No shrinking during curing process
Saves time
Versatile
Simple mixing
Use in conjunction with CP 643 firestop collar for combustible pipe penetrations
Use in conjunction with CP 653 Speed Sleeve for cable penetrations
Areas of application
• Sealing medium to large openings with pipes, cables, cable trays and duct work
• Permanent fire seal for blank openings
For use with
• Concrete and masonry assemblies
• Walls and floors rated up to 4 hours
Examples
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Medium to large openings containing multiple steel, conduit and EMT pipes
Medium to large openings containing single or multiple ducts
Medium to large openings containing single or multiple cable trays
Blank openings and conduit banks
Installation instructions
• See Hilti Literature or third-party listings for complete application and
installation details
FILL, VOID OR CAVITY MATERIAL
FOR USE IN THROUGH-PENETRATION
FIRESTOP SYSTEMS
SEE UL FIRE RESISTANCE DIRECTORY
66Y7
Technical Data*
Color Light red
Application temperature 40°F to 110°F (5°C to 43°C)
Form removal (depending on consistency) Approx. 2 hours
Density Approx. 40.6 pcf (dry)
Expansion on setting (approx.) 0.08%
Temperature resistance of cured mortar -22°F to 176°F (-30°C to 80°C)
Compressive strength
24 hrs. after casting After full cure
508 psi (3.5 N/mm 2 ) 725 psi (5.0 N/mm 2 )
• Plastic 696 psi (4.8 N/mm 2 ) 1200 psi (8.3 N/mm 2 )
• Trowelable 870 psi (6.0 N/mm 2 ) 1784 psi (12.3 N/mm 2 )

• Pourable
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Mold and mildew (ASTM G-21) Mold and mildew resistant
Surface burning characteristics (ASTM E84-01) Flame spread: 5
Yield (30 lb pail) 900–1000 cubic inches depending on mix ratio
Tested in accordance with ASTM E 814, UL 1479, ASTM E 84, ASTM G21,
CAN/ULC-S115
*At 73°F (23°C) and 50% relative humidity
Smoke development: 0