Parcel Orders over $300 Ship Free.
Tremco Willseal 250
Tremco Willseal 250 is a pre-compressed silicone-faced foam seal for horizontal traffic joints, in 1/2 in to 6 in sticks. It is used on parking garages, plaza decks, and airport pavements, and holds ±50% movement.
- Watertight primary seal for vehicular and pedestrian joints
- Non-invasive anchoring
- Compression recovery for shear and rapid joints
Tremco Willseal 250
Tremco Willseal 250 is a pre-compressed, self-expanding polyurethane foam joint seal with a hydrophobic acrylic impregnation and a factory-applied traffic-grade silicone face. It is used as a primary horizontal expansion seal on parking garages, plaza decks, stadiums, and airport pavements that see solvents and fuels. Non-invasive anchoring and up to ±50% movement make it a fit for joints with shear and rapid movement.
Key Features
- Pre-compressed acrylic-impregnated polyurethane foam
- Factory-applied traffic-grade silicone face
- Up to ±50% movement
- Non-invasive anchoring
- Watertight, dust-proof, UV-stable primary seal
Applications
- Parking garage expansion joints.
- Plaza decks at grade.
- Stadiums.
- Airport taxiways and runways.
- Road and bridge joints.
Technical Specifications
| Property | Value |
|---|---|
| Movement | Up to 100% (±50%) |
| Joint sizes | 1/2 in to 6 in sticks, 6.5 ft |
| Cover plate | Required on gaps wider than 3 in |
| Surface temperature | −40 to 190°F, ASTM C711 |
| Temperature stability | −40 to 185°F |
| Install temperature | −14 to 95°F |
| Silicone elongation | >1,000% |
| UV resistance | Pass, DIN 18542 |
| Storage | 68°F |
Product documents: Willseal 250 Technical Data Sheet
Frequently Asked Questions
What substrates is Tremco Willseal 250 used on?
Parking garages, plaza decks on grade, stadiums, airport taxiways and runways, and road and bridge joints under vehicular or pedestrian traffic, including solvents and fuels.
What movement does Tremco Willseal 250 allow?
Up to 100% (±50%) with compression recovery on shear and rapid joint movement.
What cover-plate rule applies to Tremco Willseal 250?
A cover plate is required on gaps wider than 3 in.
What install temperature limits apply to Tremco Willseal 250?
Do not install when substrate or ambient temperatures are below −14°F or above 95°F. Store at 68°F; if storage falls below 50°F, warm to 68°F for at least 24 hours before install.
What joint sizes does Tremco Willseal 250 cover?
Sticks in 6.5 ft lengths for 1/2 in to 6 in joints. Custom sizes on request.
What anchoring does Tremco Willseal 250 use?
Non-invasive anchoring; pre-compressed foam self-expands to fill the joint with a factory-applied traffic-grade silicone face.
Please complete your information below to login.