Willseal 250-B

PRE-COMPRESSED HORIZONTAL ROAD AND BRIDGE EXPANSION JOINT

Willseal® 250-B is a pre-compressed, self-expanding foam joint sealant with a highway grade silicone coating engineered to perform in primary horizontal applications such as road and bridge joints. The precompressed foam core is saturated with a hydrophobic acrylic emulsion and coated with a fuel-resistant silicone sealant, allowing it to provide an optimal primary seal that is waterproof to rain and snow at the surface level.

Features & Benefits

• Dual expansion joint seal
• Designed for rapid cycling and thermal shock
• Resistant to common automotive oils/fuels and jet fuel (per FHA PL06)
• Allows rapid joint movement up to ±60% from the mean joint size
• Performs effectively in joints up to 101.6 mm wide
• Self-expands to fill the joint
• Expansion rate varies with humidity, temperature, and recent storage conditions

Applications

• Primary horizontal seal in road joints
• Primary horizontal seal in bridge joints
• Sealing for approach slabs
• Ideal where shear and rapid movement are expected

Packaging

Available with a factory applied Traffic-Grade Black silicone sealant face.