Expansion Joints for Roadways, Bridges, and Parking Structures

HK rubber expansion joint profiles are designed for a wide range of infrastructure applications where durability, movement accommodation, and watertight performance are critical. Typical use cases include:

• Bridges & overpasses: Our rubber bridge expansion joint profiles accommodate temperature, traffic, and structural movement on new construction or rehabilitation projects.

• Highways & expressways: Road expansion joints are engineered for heavy traffic loads and highway deck conditions, including de-icing salt exposure and freeze-thaw cycles.

• Parking structures: Multi-level parking decks experience expansion, contraction, and load cycling — HK pavement seals maintain durability and waterproofing in this demanding environment.

• Dams & airports: Enhanced durability and watertight performance make HK rubber expansion joint profiles suitable for large-scale infrastructure such as dam spillways and airport runways.

• Multi-span or complex-geometry structures: For comprehensive movement needs in structures with skew, curved alignment, or irregular support geometry, rubber expansion joint profiles can be manufactured to the particular specifications for your custom designed system to ensure long-term integrity.
  

Proper installation of expansion joints on bridges ensures durability, watertight performance, and reduced maintenance. Consider these key guidelines when working with rubber expansion joints:

• Design considerations: Select a joint system based on expected movement (thermal, shrinkage, load) — for example larger movement range joints when the structure length or temperature range is high.

• Installation temperature & gap sizing: When placing the seal at installation temperature, determine nominal width (W) to accommodate anticipated movements normal and parallel to the joint.

• Surface preparation: Ensure deck or pavement sections are clean, dry, and within tolerances. Joint headers and anchor rails must be firmly secured and correctly aligned.

• Seal placement: Insert Hamilton Kent rubber seal elements so they can accommodate expansion and contraction without binding. Ensure the sealing element maintains contact for watertight integrity.

• Continuous traffic & deck protection: The joint system must allow uninterrupted vehicular traffic while preventing deck infiltration and structural deterioration.

• Quality assurance & maintenance: Inspect joints after installation and at scheduled intervals. Address seal damage, debris buildup, or movement restriction to prolong joint life.
  

When selecting rubber extrusions for expansion joints, it’s critical to review detailed specifications to ensure performance under movement, load, and environmental conditions. HK rubber expansion joint profiles deliver the following:

• Movement range: Up to 12 inches

• Available joint width: Various joint width designs can be accommodated by our extrusion process.  Please contact your HK representative to discuss further.

• Rubber seal materials: neoprene or EPDM rubber compounds — high tensile strength, ozone & UV resistant

• Load capacity: Designed for heavy vehicular traffic and bridge deck loading

• Temperature performance: Suitable for extreme weather conditions

• Compliance & certifications: Meets or exceeds MTO, MTQ, CHBDC (Canada), and AASHTO (U.S.)

• Material standards:
  • ASTM D2628 – Standard Specification for Preformed Polychloroprene Elastomeric Joint Seals

  • ASTM D5973 – Standard Specification for Elastomeric Strip Seals with Steel Locking Edge Rails

  • MTO / OPSS 1210 – Material Specification for Deck Joint Assemblies