Firestop Joint Spray CFS-SP WB Firestop and Smoke Seals HILTI
A firestop smoke seal is a passive fire protection material used to block the passage of flames, smoke, and gases through openings and gaps in fire-rated walls, floors, and doors
Product manufacturer
HILTIProduct Category
Firestop and Smoke Seals
HILTI Firestop and Smoke Seals Firestop Joint Spray CFS-SP WB
A firestop smoke seal is a passive fire protection material used to block the passage of flames, smoke, and gases through openings and gaps in fire-rated walls, floors, and doors
Technical Specifications Summary
- Product Name
- Firestop Joint Spray CFS-SP WB
- product description
- A sprayable fire-rated mastic for construction joints where maximum movement is required.
- Product Features
- Sprayable or applied by brush, Maximum flexibility, meets 500 cycle requirements (Class II and III Approval) (ASTM E 1966 and UL 2079), Compatible with Graco Ultra Max II 595 or 695 sprayers for faster installation, Contains no halogens, solvents, or asbestos, Water-based formulation — easy cleanup, High elasticity — movement capability up to 50%, Excellent sprayability and low slump, California State Fire Marshal approval for joints
- Installation Instructions
- Refer to Hilti literature or third-party listings for complete installation details.
- Density
- 10.8 lb/gal
- Colour
- Red, white, gray
- Packaging
- 5-gallon
- Storage Temperature
- 35°F to 95°F °C
- Shelf Life
- 12 months
- Application Temperature
- 39°F to 104°F
- Temperature Resistance
- 40°F to 176°F
- Consistency
- Sprayable liquid
- Chemical Basis
- Acrylic water-based dispersion
- Tack-Free Time
- 3 hrs @ 73°F, 50% RH %
- Curing Time
- 24 hrs @ 73°F, 50% RH for ¼" depth
- Volume Shrinkage
- 51.1 %
- Water Tightness
- Yes
- pH Valu
- 8–9
- Movement Capability
- Up to 50 %
- Paintable
- Yes
- Seismic Resistant
- Yes
- Mold & Mildew (ASTM G21-90)
- 0 — No growth
- Air Leakage (UL 2079 L-Rating)
- Ambient: <1 CFM/Lin Ft, 400°F: <1 CFM/Lin Ft
- Surface Burning (ASTM E84)
- Flame Spread: 5, Smoke Developed: 0
- Surface Burning (CAN/ULC-S102)
- Flame Spread: 5, Smoke Developed:1 0
- STC Rating (ASTM E90-89)
- 59
- Tested In Accordance With
- UL 2079, ASTM E1966, ASTM E84, ASTM E2837, UL 1479, ASTM E814, ASTM E2037, ASTM E1999, ASTM E1354, CAN/ULC-S115
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Services & Tools
Comprehensive services and tools to support your Firestop and Smoke Seals project needs
Complete Technical Specifications for HILTI Firestop Joint Spray CFS-SP WB
| Property | Value | Unit |
|---|---|---|
| Product Name | Firestop Joint Spray CFS-SP WB | — |
| product description | A sprayable fire-rated mastic for construction joints where maximum movement is required. | — |
| Product Features | Sprayable or applied by brush, Maximum flexibility, meets 500 cycle requirements (Class II and III Approval) (ASTM E 1966 and UL 2079), Compatible with Graco Ultra Max II 595 or 695 sprayers for faster installation, Contains no halogens, solvents, or asbestos, Water-based formulation — easy cleanup, High elasticity — movement capability up to 50%, Excellent sprayability and low slump, California State Fire Marshal approval for joints | — |
| Installation Instructions | Refer to Hilti literature or third-party listings for complete installation details. | — |
| Density | 10.8 | lb/gal |
| Colour | Red, white, gray | — |
| Packaging | 5-gallon | — |
| Storage Temperature | 35°F to 95°F | °C |
| Shelf Life | 12 months | — |
| Application Temperature | 39°F to 104°F | — |
| Temperature Resistance | 40°F to 176°F | — |
| Consistency | Sprayable liquid | — |
| Chemical Basis | Acrylic water-based dispersion | — |
| Tack-Free Time | 3 hrs @ 73°F, 50% RH | % |
| Curing Time | 24 hrs @ 73°F, 50% RH for ¼" | depth |
| Volume Shrinkage | 51.1 | % |
| Water Tightness | Yes | — |
| pH Valu | 8–9 | — |
| Movement Capability | Up to 50 | % |
| Paintable | Yes | — |
| Seismic Resistant | Yes | — |
| Mold & Mildew (ASTM G21-90) | 0 — No growth | — |
| Air Leakage (UL 2079 L-Rating) | Ambient: <1 CFM/Lin Ft, 400°F: <1 CFM/Lin Ft | — |
| Surface Burning (ASTM E84) | Flame Spread: 5, Smoke Developed: 0 | — |
| Surface Burning (CAN/ULC-S102) | Flame Spread: 5, Smoke Developed:1 0 | — |
| STC Rating (ASTM E90-89) | 59 | — |
| Tested In Accordance With | UL 2079, ASTM E1966, ASTM E84, ASTM E2837, UL 1479, ASTM E814, ASTM E2037, ASTM E1999, ASTM E1354, CAN/ULC-S115 | — |
Product Documents & Downloads
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Quality Assurance
We follow 4-point checks at our factory for quality assurance of Firestop and Smoke Seals
Raw materials check
As soon as the raw materials come into production units, they undergo test at our labs to get their properties checked, passing which they go to the store.
Product Check
The product thus manufactured, undergoes the most stringent test according to global standards, passing which it qualifies for dispatch.
Check at the manufacturing stage
At different stages of manufacturing, tests are done to validate if the purpose of a particular stage has been served or not. For e.g at the pre-treatment stage it is checked whether degreasing or deoxidizing of the aluminium coil has properly taken place or not.
Post production check
Before being dispatched, thorough visual inspection is done to check product tolerances and any other kind of manufacturing defect.
