In the realm of construction and building safety, ensuring that fire and smoke do not spread through penetrations in walls and floors is paramount. Hilti’s FS-ONE MAX stands out as a high-performance intumescent firestop sealant engineered to address these critical concerns.
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Features and Benefits of FS-ONE MAX
- Intumescent Properties: FS-ONE MAX expands when exposed to fire, effectively sealing gaps and preventing the passage of flames and smoke.
- Versatile Application: Suitable for a variety of base materials, including concrete, masonry, and drywall, making it adaptable to diverse construction scenarios.
- Comprehensive Penetration Sealing: Effective for sealing metal pipes (copper, steel, EMT), insulated metal pipes, plastic pipes (closed or vented), and various cable penetrations, including single cables, cable bundles, and cable trays.
- Environmental Considerations: As a water-based acrylic dispersion, FS-ONE MAX is easy to clean and paintable, with low VOC content, aligning with green building standards.
Applications of FS-ONE MAX
- Metal Pipe Penetrations: Ideal for sealing around copper, steel, and EMT pipes, ensuring fire resistance at these critical junctures.
- Insulated Metal Pipes: Suitable for both steel and copper pipes with insulation, maintaining the integrity of fire-rated assemblies.
- Plastic Pipes: Effective for both closed and vented plastic pipe penetrations, expanding upon exposure to fire to seal openings.
- Cable Penetrations: Versatile in sealing single cables, cable bundles, and cable trays, preventing fire spread through electrical pathways.
Technical Specifications
- Color: Red
- Application Temperature Range: 35°F to 104°F (1.5°C to 40°C)
- Cure Time: Approximately 2mm depth per 3 days at 75°F (24°C) and 50% relative humidity
- Expansion Ratio: Up to 1:5 when exposed to fire
- VOC Content: 9 g/l, meeting LEED v4 requirements for low-emitting materials
For detailed technical data and installation instructions, refer to Hilti’s official product documentation.
FAQ
- What is FS-ONE MAX used for?
- FS-ONE MAX is an intumescent firestop sealant designed to seal penetrations in fire-rated walls and floors, preventing the spread of fire and smoke.
- Can FS-ONE MAX be painted after application?
- Yes, FS-ONE MAX is paintable once cured, allowing it to blend seamlessly with surrounding surfaces.
- Is FS-ONE MAX suitable for outdoor use?
- FS-ONE MAX is primarily designed for indoor applications. For outdoor use, consult Hilti’s guidelines or contact their technical support for recommendations.
- What is the shelf life of FS-ONE MAX?
- The shelf life of FS-ONE MAX is approximately 18 months when stored in unopened, original containers at recommended storage temperatures.
- How does FS-ONE MAX react in a fire situation?
- In the event of a fire, FS-ONE MAX expands (intumesces) to fill gaps around penetrations, effectively sealing openings to prevent the passage of flames and smoke.
