Willseal® 250

Horizontal Seal with Traffic Grade Silicone

Willseal® 250 is a pre-compressed, self-expanding open micro-cell polyurethane foam impregnated with a hydrophobic, acrylic polymer sealing compound coated with a factory-applied silicone sealant. It is designed to provide a watertight, dust-proof, airtight, noise-reducing, thermally insulating, and UV stable primary seal that does not require invasive anchoring for installation. 

Basic Uses
  • Primary horizontal expansion for vehicular and pedestrian traffic
  • Parking Garages
  • Stadiums
  • Plaza Decks on grade
  • Airport taxiways and runways
  • ac_unit Do not install when substrate or ambient temperatures are below 14°F (-10°C) help
  • whatshot Do not install when substrate or ambient temperatures are above 95°F (35°C) help

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Product Details, Safety, and Installation