คุณลักษณะ 

Ideal for firestopping blank openings and through-penetrations of multiple cable, pipe ducts, bus ducts and cable trays.

• Up to 4-hour fire ratings per ASTM E 814 (UL 1479) 
• No mixing or damming required 
• Easy to install using common trade tools 
• Easy to fasten , bolt punch or drill through (mouths easily with self-tapping screws or anchor bolts) 
• Re-enterable 
• Bottom-of-floor applicaions availeble 
• Low VOC 
• Availeble size: 16" x 28",36" x 24" , 36" x 36 ",36" x 41" and 28" x 52"