Bridge expansion and contraction device Product List and Ranking from 8 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Jul 16, 2025～Aug 12, 2025
This ranking is based on the number of page views on our site.

Bridge expansion and contraction device Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Jul 16, 2025～Aug 12, 2025
This ranking is based on the number of page views on our site.

  1. 新日本構研 Hokkaido//Other construction industries 石狩センター
  2. サン・ロード Yamaguchi//Other construction industries
  3. リバークル Fukui//Other construction industries
  4. 4 ショーボンド建設 Tokyo//Building materials, supplies and fixtures manufacturers 本社
  5. 5 東京ファブリック工業 Tokyo//Building materials, supplies and fixtures manufacturers
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Bridge expansion and contraction device Product ranking

Last Updated： Aggregation Period:Jul 16, 2025～Aug 12, 2025
This ranking is based on the number of page views on our site.

  1. Bridge expansion device "Super Lead iG Joint" 新日本構研 石狩センター
  2. Expansion devices for road bridges サン・ロード
  3. Bridge expansion device "AI Joint" ショーボンド建設 本社
  4. 4 Bridge expansion device "Brof Joint SWx type" 東京ファブリック工業
  5. 4 Expansion device for small-scale bridges: "Double Defense Joint Method" リバークル

Bridge expansion and contraction device Product List

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Expansion devices for road bridges

Expansion devices for road bridges

Excellent durability and wear resistance! A wide range of expansion devices for road bridges available.

San Road Co., Ltd. handles expansion devices for road bridges. We offer a lineup that includes the "Hama Highway Joint," designed with safety and low noise in mind, and the embedded expansion device "Seamless Joint." Additionally, we provide high-elasticity pavement material "Falcon SJ," as well as the highly durable elastic pavement slab "Watilis (ER type)." 【Features (Hama Highway Joint YMF Type)】 ■ Excellent durability ■ Good drivability ■ Easy installation ■ Excellent watertightness ■ Capable of following movements in various directions *For more details, please refer to the external link or PDF materials, or feel free to contact us.

  • Paving Machine

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Bridge expansion device "FC Finger Joint"

Bridge expansion device "FC Finger Joint"

This is a bridge expansion device that supports the long lifespan of bridges!

The "FC Finger Joint" is a bridge expansion device that can support the long lifespan of bridges. It protects the waterproofing material, which is essential for non-drainage functionality, and prevents early deterioration of the bridge girder ends in snowy and cold regions. The structure features a steel finger joint with an added fin cover to reduce compressive forces, designed with consideration for the workability during regular inspections from below the bridge and during the replacement of waterproofing materials after the bridge has been put into service. 【Features】 ■ Supports the long lifespan of bridges ■ Suppresses deterioration and functional decline of waterproofing materials ■ Equipped with a fin cover *For more details, please contact us or download the catalog.

  • Joints between components
  • Reinforcement and repair materials

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Bridge expansion device "Super Lead iG Joint"

Bridge expansion device "Super Lead iG Joint"

Innovative expansion devices for bridges that extensively incorporate new mechanisms.

The "Super Lead iG Joint" is a bridge expansion device that appropriately responds to various design specifications and basic functions of bridges. This product inherits previous technologies and experiences, developing and implementing a soundproof shock-absorbing device (SSIA) that buffers and absorbs sound transmission energy and impact energy from wheel loads, which could not be resolved by the displacement lead rubber layer alone. Additionally, it pursues excellent workability and improves the reliability of construction sites. 【Features】 ■ Wide adaptability ■ Excellent cost-effectiveness ■ Good water-tightness ■ High sound insulation ■ Outstanding running performance *For more details, please refer to the catalog or feel free to contact us.

  • Bridge Materials

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Bridge expansion device "Brof Joint SWx type"

Bridge expansion device "Brof Joint SWx type"

Durable and easy to install! Standard type secondary water stop structure for bridge expansion devices.

The "Brof Joint SWx Type" is a metal-top non-drainage expansion device that enhances performance in terms of mobility, low noise, durability, and water-tightness. By using a wave structure for the gap in the faceplate, vehicle movement becomes smoother, and noise during passage can be reduced. The primary water-tight structure using elastic sealing material and the secondary water-tight structure using rubber packing ensure superior water-tightness. 【Features】 ■ Mobility and low noise ■ Durability ■ Water-tightness ■ Ease of installation *For more details, please refer to the PDF document or feel free to contact us.

  • Bridge Materials
  • Bridge Construction

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Expansion device for small-scale bridges: "Double Defense Joint Method"

Expansion device for small-scale bridges: "Double Defense Joint Method"

[NETIS Registration] Solving expansion device issues with elastic joint materials and protective devices.

Our company offers the small-scale bridge expansion device "Double Defense Joint," which ensures that the protective device does not touch the waterproof section and achieves a longer lifespan than conventional methods. The Double Defense Joint, with its extremely high durability of waterproof functionality, features a structure that creates a space between the elastic joint material in the gap and the protective device, ensuring that no wheel load is applied to the waterproof section. Additionally, the structure is simple, allowing for quick installation, which reduces the time for traffic restrictions such as lane regulations and traffic openings. 【Features of the Double Defense Joint】 ■ High water tightness ■ Long lifespan ■ Short installation time ■ Smooth passage possible ■ Quiet operation ■ Joint protection type ■ NETIS registration number: KK-220006-A ■ Patent obtained *For more details, please download the PDF or feel free to contact us.

  • Special Construction Method

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Expansion device for small-scale bridges "Triple Defense Joint"

Expansion device for small-scale bridges "Triple Defense Joint"

Protective devices, waterproof sheets, and elastic joint materials—these three elements solve the problems of expansion and contraction devices!

The "Triple Defense Joint" is a small-scale bridge expansion device that allows for quick installation, reducing the time required for lane restrictions and traffic openings. It features a double waterproof structure with elastic joint material in the gap section and a rubber waterproof sheet, completely shutting out water and preventing leaks that can cause damage to the bridge. Additionally, the structure includes a space between the rubber waterproof sheet and the protective device, ensuring that no wheel loads are applied to the waterproof section, significantly enhancing the durability of the waterproof function. 【Features】 ■ High water tightness with double waterproof structure ■ Long lifespan ■ Short installation time ■ Smooth passage due to a flat finish ■ Quiet operation ■ Patent obtained *For more details, please refer to the PDF document or feel free to contact us.

  • Renovation and repair methods

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Bridge expansion device "AI Joint"

Bridge expansion device "AI Joint"

Many advantages with a 65mm high joint! Steel joint for load support within pavement thickness.

The "AI Joint" is a load-supporting steel expansion device that can be installed within the pavement without the need to remove the existing slab. With a joint height of 65mm, it reduces industrial waste generated from chipping work and shortens the time required for chipping and traffic restrictions. Additionally, we offer a type compatible with snow plow guidance plates for cold regions. 【Features】 ■ Reduced risk of damage ■ Noise reduction ■ Environmental measures ■ Snow removal measures *For more details, please refer to the PDF document or feel free to contact us.

  • Secondary paving products
  • Pavement construction
  • Foundation construction

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Bridge expansion device "N-FC Finger Joint"

Bridge expansion device "N-FC Finger Joint"

A structure designed with consideration for workability during regular inspections from below the bridge and when replacing water-stopping materials after it has been put into service!

The "N-FC Finger Joint" is a bridge expansion device that protects the water-stopping material, which is essential for non-drainage functionality, and prevents early deterioration of bridge girder ends in snowy and cold regions. By adding a fin cover to the underside of the face plate and narrowing the gaps of the comb teeth, the proportion of soil, snow, and ice that enters the gaps and reaches the water-stopping material can be reduced to below 15% even at the lowest temperatures (-20°C), thereby preventing the deterioration of the water-stopping material. Additionally, by using water-stopping materials that have passed tests based on NEXCO's construction management guidelines for structures, water-stopping performance is ensured. 【Features】 ■ Added fin cover to the underside of the face plate to narrow the gaps of the comb teeth ■ Resists constant wheel loads with only the face plate ■ Confirmed fatigue durability of over 50 years through fatigue tests using full-scale specimens ■ Utilizes water-stopping materials that have passed tests based on NEXCO's construction management guidelines for structures ■ Dry water-stopping materials, support brackets, and water-stopping rubber are designed to be detachable from below the girder *For more details, please refer to the PDF document or feel free to contact us.

  • Bridge Materials
  • Bridge Construction

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Bridge expansion device "MM-JOINT・DSII type"

Bridge expansion device "MM-JOINT・DSII type"

The construction time is short due to the simple structure! A joint that does not damage the floor slab.

The "MM-JOINT・DSII type" is a simple and highly durable bridge expansion joint composed of a special binder, DS aggregate as the main material, secondary water stop devices, gap plates, and pins. Since it is an asphalt-based expansion joint similar to the existing coating, it provides a comfortable experience during passage, suppressing noise and vibration for good drivability. Compared to conventional butt joints, the construction cost is lower, and partial repairs with the same material can be easily performed regardless of the extent of damage, resulting in significantly reduced running costs. 【Features】 ■ Excellent economy and durability ■ Comfortable drivability ■ High waterproofing performance ■ Easy construction *For more details, please refer to the PDF document or feel free to contact us.

  • Bridge Materials

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Bridge expansion device "Brof Joint CDx type"

Bridge expansion device "Brof Joint CDx type"

Upgraded telescopic device for anti-grader use!

The "Brof Joint CDx Type" is an expansion device for bridges used in various types of bridges, long-span bridges, and cable-stayed bridges. By making the gap in the faceplate a wave structure, vehicle movement becomes smoother and noise during passage is reduced. Additionally, the running surface is made of steel and has a simple structure, which provides excellent durability. 【Features】 ■ Mobility ■ Durability ■ Water resistance ■ Ease of construction ■ Snow area measures *For more details, please download the PDF or feel free to contact us.

  • Bridge Materials
  • Reinforcement and repair materials

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