Hilti CFS-BL Fire Block

The Hilti CFS-BL Fire block is a non-curing, reusable solution for medium to large openings.

Features & Applications
  • Non curing, reusable solution for medium to large openings
  • Suitable for new penetrations or repenetration
  • One-sided installation wall systems available
  • Easy installation, no special tool is required
  • Ideal for use in floors, no forming is required
  • Integrated grid technology reduces the use of wire mesh making Firestop Block installation fast and clean
Technical Data CFS-BL
   
Density Approx. 0.27 g/cm3
   
Color Red
   
Application temperature 40° F to 104° F (5° C to 40° C)
   
Temperature resistance 5° F to 140° F (-15° C to 60° C)
   
Intumescent Activation Approx. 392° F (200° C)
   
Expansion ratio (unrestricted) Approx. 1:3
   
Surface burning characteristics
(ASTM E84-10b)
Flame Spread: 10
Smoke Development: 15
   
Sound transmission classification In progress
   
Approvals
• California State Fire Marshal - In progress
 
Tested in accordance with
• UL 1479
• ASTM E814
• ASTM E84
• CAN/ULC-S115
Description Volume Qty Item No.
CFS-BL Firestop Block (2" x 5" x 8") 80 in3 1 02030020
CFS-BL Firestop Block — Case 2,080 in3 20 03484119

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