HILTI 02030020 2X5X8 firestop Block CFS-BL

HILTI 02030020 2X5X8 Firestop Block CFS-BL – Firestop Solutions

The HILTI 02030020 2X5X8 Firestop Block CFS-BL is a non-curing, reusable firestop solution designed for medium to large openings in walls and floors. It is ideal for electrical distributors, lighting solutions, wire and cable penetrations, and switchgear supplier applications requiring reliable fire protection. The block facilitates fast and clean installation with integrated grid technology, reducing the need for wire mesh. It is suitable for new penetrations or repenetration and supports one-sided installation systems.

Specifications

• Dimensions: 2" x 5" x 8"
• Volume: 80 in³
• Density: Approximately 0.27 g/cm³
• Color: Red
• Application Temperature Range: 40 to 104° F (5 to 40° C)
• Temperature Resistance: 5 to 140° F (-15 to 60° C)
• Intumescent Activation Temperature: Approximately 392° F (200° C)
• Expansion Ratio (Unrestricted): Up to 1:3
• Surface Burning Characteristics (ASTM E84-10b): Flame Spread 10, Smoke Development 15
• Sound Transmission Classification: In progress
• Approvals: UL 1479, ASTM E814, ASTM E84, CAN/ULC-S115; California State Fire Marshal approval in progress

Features

• Non-curing and reusable for medium to large openings
• Suitable for new and repenetrations
• One-sided installation available for wall systems
• Easy installation with no special tools required
• Ideal for floor applications with no forming needed
• Integrated grid technology reduces wire mesh use, speeding installation
• Immediately functional after installation
• FM Approved for penetration fire stops

Downloads and Links

• HILTI Firestop Block CFS-BL Technical Data Sheet (PDF)
• Installation Instructions and Approvals Document (PDF)