Tremco Willseal FR-V - Fire-Rated Vertical Expansion Joint Seal

Tremco Willseal FR-V is a fire-rated, pre-compressed, sound-attenuating vertical expansion joint seal with an integral smoke barrier. Designed with UV-stable, fire-retardant impregnated foam and a factory-applied sealant coating, Willseal FR-V offers superior protection against fire, smoke, water, and environmental conditions. Meeting UL 2079 and ASTM E1966 standards, this product is ideal for vertical fire-rated expansion joints in commercial, industrial, and architectural applications. Its dynamic joint movement capacity and watertight properties make it a reliable choice for safety and durability.

Key Features:

• Fire-rated for 2- and 3-hour systems under UL 2079
• Integrated smoke barrier prevents toxic gases from passing through
• Accommodates up to 100% joint movement (±50%)
• Pre-compressed and self-expanding for quick and easy installation
• Available with single-side or double-side sealant coatings
• Sound-attenuating with STC 54 and OITC 48 ratings
• UV-stable and watertight for long-term durability

Applications:

• Vertical fire-rated expansion joint systems
• Primary construction joints
• Seismic and retrofit joints
• Architectural joints requiring a resilient, waterproof seal
• Control and isolation joints

Technical Specifications:

Frequently Asked Questions:

What is the maximum joint size available for Willseal FR-V?
Willseal FR-V is available for joint sizes ranging from ½” to 5” in 6.5 ft lengths. Custom sizes can be requested.

Is Willseal FR-V suitable for seismic joints?
Yes, Willseal FR-V accommodates up to 100% joint movement and is ideal for seismic applications.