SpecFlex
Asphalt impregnated fiber expansion joint
SpecFlex is a high-quality fiber expansion joint material manufactured through a unique process where individual fibers are saturated with asphalt preservative before being formed into the final mat. This innovative manufacturing technique ensures superior asphalt distribution, enhanced product strength, flexibility, and excellent long-term aging characteristics. SpecFlex offers a competitively priced, superior alternative to traditional fiber expansion joint materials.
- Superior Handling: Resists breakage, cuts cleanly, and remains easily positioned during concrete pouring.
- Durability: Designed to withstand freeze-thaw cycles and resist water infiltration.
- State Approvals: Certified and approved by several state Departments of Transportation.
- Convenient Packaging: Cut, bundled, and wrapped for straightforward handling and storage.
- Environmental Resistance: Maintains integrity and functionality through various environmental challenges.
Application
SpecFlex is versatile and ideal for use in various concrete construction applications, including:
- Roadways
- Airport runways
- Sidewalks
- Warehouse flooring
- Driveways
- Parking lots
- Patios
- Curbs
Additionally, SpecFlex can be used against concrete forms, interrupting objects or columns, and adjoining structures before concrete is poured.
Product Specifications
- Sizes Available:
- Lengths: 5 feet and 10 feet
- Standard Width: 48 inches
- Thicknesses: 3/8 inch, 1/2 inch, 3/4 inch, 1 inch
- Custom sizes: Cut to width from 2.5 inches to 48 inches in 1/2 inch increments
Performance and Durability
- Compression: Recovers to 385-445 psi when compressed to 50% of original thickness
- Extrusion: 0.05 – 0.15 inch
- Recovery: 78 – 82% back to original thickness
- Density: 19.0 – 21 lbs./ft³
- Water Absorption: 6 – 10%
- Extractables: 36 – 40%
- Weathering: Passes tests for durability under varying conditions
Standards
SpecFlex meets or exceeds the following specifications:
- AASHTO-M-213
- ASTM D-1751-99
- Federal Specification HH-F-341F, Type I
- Corps of Engineers Specification CRD-C508-87