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Tremco Willseal 250R
Willseal 250-R is an expansion joint system which combines the performance and reliability of Willseal 250 with reinforcing members positioned beneath the sealant face to support higher point loads.
- Ideal For Heavy Pedestrian Traffic
- Excellent Compression Recovery
- Reinforced For Maximum Stability
SKU
22388
Tremco Willseal 250-R – Reinforced Traffic-Grade Pre-Compressed Joint Sealant
Tremco Willseal 250-R is an advanced expansion joint system that integrates the high-performance sealing capabilities of Willseal 250 with reinforced structural members designed to handle increased point loads. Engineered for both vehicular and pedestrian traffic applications, this pre-compressed, self-expanding polyurethane foam joint sealant is infused with a hydrophobic acrylic emulsion and features a factory-applied traffic-grade silicone coating. Willseal 250-R is specifically designed to withstand rapid joint movement while maintaining a watertight, dustproof, airtight, and thermally insulating seal. Ideal for parking structures, bridge joints, stadiums, and pedestrian walkways, it provides superior compression recovery and long-term durability.
Key Features:
- Pre-compressed, self-expanding foam joint sealant for high-traffic areas
- Factory-applied, traffic-grade silicone coating for enhanced durability
- Reinforced structural members for increased point load capability
- Accommodates up to ±50% movement with excellent compression recovery
- Non-invasive anchoring system—eliminates need for mechanical fasteners
- Thermally insulating, UV-resistant, and resistant to environmental exposure
- Designed for high-load areas, including parking decks, bridges, and stadiums
- Available in Concrete Gray, Highway Gray, and Traffic-Grade Black
Technical Specifications:
| Property | Value |
|---|---|
| Temperature Stability Range | -40°F to 185°F (-40°C to 80°C) |
| Ideal Storage Temperature | 68°F (20°C) |
| UV Resistance | Pass (ASTM C793, ASTM G155, DIN 18542) |
| Ultimate Elongation | Exceeds rated maximum extension without tension |
| Surface Temperature Range | -40°F to 190°F (-40°C to 87.7°C) (ASTM C711) |
| Compression Set Resistance | Tested through full temperature stability range |
| Deflection Resistance at 0.5” Load | 40 lbs (Compared to 12.7 lbs for industry standard) |
| Available Joint Sizes | ½” to 4” (Custom sizes available upon request) |
Frequently Asked Questions:
What are the primary applications for Willseal 250-R?
It is designed for horizontal expansion joints in high-traffic areas such as bridges, parking garages, stadiums, skyways, and pedestrian concourses.
How does Willseal 250-R accommodate movement?
It allows for up to ±50% movement while maintaining a watertight, durable seal.
Does it require mechanical anchoring?
No, Willseal 250-R is designed with a self-expanding foam core and does not require invasive anchoring.
What temperature range can it withstand?
It remains stable from -40°F to 185°F (-40°C to 80°C), making it suitable for extreme climates.
For the latest technical specifications and application guidelines, visit Tremco Sealants.
| Brand | Tremco |
|---|---|
| Manufacturer | Tremco |
