HILTI 430802 Firestop Joint Spray CFS-SP WB Grey – Firestop Spray for Construction Joints

The HILTI 430802 Firestop Joint Spray CFS-SP WB Grey is a sprayable, fire-rated mastic designed for sealing construction joints requiring maximum movement capability. This water-based acrylic dispersion product is suitable for use by electrical distributors and switchgear suppliers needing reliable firestop solutions. It supports quick and easy application with Titan 600 or 1100 sprayers and meets LEED indoor environmental quality standards, making it ideal for integration into lighting solutions and wire and cable installations where fire containment is critical.

Specifications

• Product Weight: 25,500 g
• Color: Grey
• Density: Approx. 10.8 lb/gal (1.3 g/cm¬≥)
• Application Temperature: 39 to 104¬∞F (4 to 40¬∞C)
• Temperature Resistance: -40 to 176¬∞F (-40 to 80¬∞C)
• Consistency: Sprayable liquid
• Chemical Basis: Acrylic-water-based dispersion
• Curing Time: Approx. 24 hours at 73¬∞F, 50% humidity for 1/8" depth
• Average Volume Shrinkage (ASTM C1241): 51.1%
• pH-Value: Approx. 8-9
• Movement Capability (ISO 11600): Up to 50%
• Surface Burning Characteristics (ASTM E84-06): Flame Spread 5, Smoke Development 10
• Sound Transmission Classification (ASTM E90-99): 59 (per tested construction type)
• UPC: 613023638152
• Manufacturer Part Number: 430802

Features

• Sprayable fire-rated mastic specifically formulated for construction joints with high movement requirements
• Quick and easy installation using Titan 600 or 1100 sprayers
• Water-based formulation enables easy cleanup of spills and overspray
• Free from halogens, solvents, asbestos, and carcinogens
• Complies with LEED requirements for low-emitting materials and coatings (Indoor Environmental Quality Credit 4.1 and 4.2)
• Tested and approved in accordance with UL 2079, ASTM E1966, ASTM E84, UL 1479, ASTM E814, ASTM E2307, CAN/ULC-S102, CAN/ULC-S115, and ASTM C1241 standards
• FM Approved for penetration fire stops
• Suitable for use in through-penetration firestop systems, joint systems, and perimeter fire containment systems

Downloads & Links

• Spec Sheet
• Spec Sheet