Willseal FR-H Fire Rated Horizontal Expansion Seal
Willseal® FR-H is a pre-compressed, sound-attenuating fire-rated horizontal expansion joint seal. It integrates a smoke barrier within the foam body and comes with a factory-applied, traffic-rated silicone coating. Designed for 1-, 2-, or 3-hour fire-rated assemblies, it prevents smoke, toxic gas, and water intrusion while accommodating ±50% movement in dynamic structures.
Key Benefits of Willseal FR-H
- Fire Rated: Compliant with 1-, 2-, and 3-hour fire-rated designs for added safety in building envelopes.
- Smoke Barrier: Internal barrier helps block toxic gasses and fumes in the event of fire or smoke exposure.
- Watertight Seal: Closed-cell foam is resistant to water and forms a secure horizontal joint seal.
- Excellent Movement: Accommodates ±50% movement in joints subject to structural dynamics.
- Simple Installation: Pre-compressed foam with non-invasive anchoring; no need for complex hardware.
- Customizable Finish: Available with one or two silicone-coated faces or uncoated options to match project needs.
Common Applications
- Parking garages and plaza decks
- Ceiling joints and stadium structures
- Primary horizontal expansion joints in fire-rated construction
- Airport runways and infrastructure joints
Packaging & Technical Info
- Factory-applied silicone face (1 or 2 sides)
- Includes integral smoke barrier in foam core
- Delivered pre-compressed for easier handling and install
Product Properties
| Property | Value |
|---|---|
| Fire Rating | Up to 3 Hours |
| Movement Capability | ±50% |
| Sealant Coating Options | 1- or 2-sided, or uncoated |
| Water Resistance | Yes, closed-cell foam |
Explore related horizontal sealant systems like the Willseal Seismic HS. Visit Tremco’s site for additional expansion joint solutions.
