Willseal 250

A pre-compressed, self-expanding foam joint seal with a factory-applied, traffic-grade silicone sealant face. Willseal® 150 is designed to provide a watertight, UV-stable primary seal in horizontal applications subject to vehicular and/or pedestrian traffic, including those exposed to solvents and fuels such as those found in parking garages, roads, bridge joints, and airport runways.

Willseal 250 Horizontal Joint Seal With Silicone

Product Description

Willseal® 250 is a pre-compressed, self-expanding foam joint seal designed for horizontal applications exposed to vehicular or pedestrian traffic. It includes a factory-applied, traffic-grade silicone face that delivers a watertight and UV-stable primary seal. Ideal for conditions where fuel, solvents, and heavy movement are present, this expansion joint system ensures long-term durability and high performance in roadways, garages, and airport settings.

Key Benefits

  • Flexible: Accommodates ±50% movement in dynamic joints
  • Watertight Seal: Blocks dust, air, moisture, and thermal shifts
  • Lasting Durability: Resists UV damage and vehicular chemical exposure
  • Easy Application: Non-invasive anchoring with no unbonded laminations
  • Traffic-Ready: Silicone sealant face is factory-applied and traffic-rated

Common Applications

  • Parking garages
  • Road and bridge joints
  • Airport runways

Storage & Packaging

Shipped pre-compressed with factory-applied silicone face. Store at 68°F (20°C) in a dry area until installation.

Product Properties

Property Value
Foam Color Black
Storage Temperature 68 °F (20 °C)
Temperature Stability -40 to 185 °F (-40 to 85 °C)
Movement Capability ±50%
Sealant Face Traffic-grade silicone
Application Type Horizontal

Looking for seismic-rated joints? Check out the Willseal Seismic HS. Visit tremcosealants.com for more Tremco solutions.