Bridge Expansion Joints
Six Product Lines for Every Site Condition
Expansion joints protect bridges by absorbing movement caused by temperature change, vibration and loads. Select a product below to see its features, specifications and G2B item IDs.
Monocell Joint
NMC Series
New Finger Joint
NFJ Series
Steel Finger Joint
SFJ Series
New Monocell Joint
NMC-L Series · Longitudinal
Side Walk Joint
SWJ Series · Pedestrian Bridges
Rail Seal Joint
Rail Joint Series · Road
Monocell Joint
NMC Series
Key Performance
The top plate and side plates form a single integrated structure, and special rubber resistant to ozone, cold and abrasion is fastened to the side plates with anchor bolts for excellent waterproofing.
Male-female connections between units prevent leakage and protect the substructure from corrosion, while the steel top plate gives a semi-permanent service life.
The assembled side plate and waterproof rubber construction can be fabricated and installed to any required length with excellent waterproofing.
Applied Patents
Technical Specifications
Specifications
Highlighted numbers are G2B item IDs you can search and order on Korea's public procurement platform.
| MODEL No. | G2B Item ID | Movement (mm) | Gap Min | Gap Mid | Gap Max | A (mm) | B (mm) | C (mm) |
|---|---|---|---|---|---|---|---|---|
| HT-NMC-30H | 24694287 | 30 | 25 | 40 | 55 | 100 | 200 | 300 |
| HT-NMC-50H | 24694288 | 50 | 25 | 50 | 75 | 120 | 200 | 300 |
| HT-NMC-60H Zn | 25614935 | 60 | 35 | 65 | 95 | 120 | 200 | 330 |
| HT-NMC-80H | 24694290 | 80 | 40 | 80 | 120 | 135 | 200 | 350 |
| HT-NMC-100H Zn | 25614936 | 100 | 40 | 90 | 140 | 145 | 250 | 370 |
New Finger Joint
NFJ Series
Key Performance
A continuous rubber seal is assembled as one piece to match the installation length, making installation simple and economical.
Male-female connections between units prevent leakage and protect the substructure from corrosion, while the steel top plate gives a semi-permanent service life.
The fingers run continuously in the direction of traffic, minimizing impact as vehicles pass over.
Applied Patents
Technical Specifications
Specifications
Highlighted numbers are G2B item IDs you can search and order on Korea's public procurement platform.
| MODEL | G2B Item ID | Movement (mm) | Gap Min | Gap Mid | Gap Max | A | B | C |
|---|---|---|---|---|---|---|---|---|
| HT-NFJ-30H | 24694292 | 30 | 25 | 35 | 60 | 150 | 310 | 200 |
| HT-NFJ-50H | 24694293 | 50 | 25 | 50 | 75 | 160 | 330 | 200 |
| HT-NFJ-80H | 24694294 | 80 | 40 | 80 | 120 | 220 | 330 | 200 |
| HT-NFJ-100H Zn | 25617282 | 100 | 50 | 100 | 150 | 240 | 350 | 200 |
| HT-NFJ-120H Zn | 25617287 | 120 | 60 | 120 | 180 | 280 | 350 | 250 |
| HT-NFJ-130H Zn | 25617286 | 130 | 60 | 120 | 180 | 280 | 350 | 250 |
| HT-NFJ-150H Zn | 25617285 | 150 | 80 | 160 | 240 | 345 | 350 | 250 |
| HT-NFJ-160H Zn | 25617284 | 160 | 80 | 160 | 240 | 345 | 345 | 250 |
Steel Finger Joint
SFJ Series
Key Performance
A finger-type expansion joint with proven durability and versatility, suitable for all bridge types.
Its simple structure leaves few points of failure, and rolled steel gives it a long service life.
Wheels stay in close contact with the finger plates, reducing impact and noise for a smooth ride.
Applied Patents
Technical Specifications
Specifications — Movement 50 mm to 600 mm
Highlighted numbers are G2B item IDs you can search and order on Korea's public procurement platform.
| MODEL | G2B Item ID | Movement (mm) | Joint Spacing Min | Joint Spacing Max | Length | W | H |
|---|---|---|---|---|---|---|---|
| HT-SFJ-50H Zn | 25600618 | 50 | 320 | 370 | 995 | 300 | 200 |
| HT-SFJ-80H Zn | 25600620 | 80 | 360 | 440 | 995 | 330 | 260 |
| HT-SFJ-100H Zn | 25600621 | 100 | 400 | 500 | 995 | 350 | 260 |
| HT-SFJ-150H Zn | 25600625 | 150 | 470 | 620 | 995 | 400 | 270 |
| HT-SFJ-200H Zn | 25600627 | 200 | 550 | 750 | 995 | 400 | 270 |
| HT-SFJ-300H Zn | 25600631 | 300 | 770 | 1070 | 995 | 420 | 250 |
| HT-SFJ-400H Zn | 25600634 | 400 | 935 | 1335 | 995 | 450 | 300 |
| HT-SFJ-500H Zn | 25600636 | 500 | 1085 | 1585 | 995 | 470 | 350 |
| HT-SFJ-600H Zn | 25600638 | 600 | 1255 | 1855 | 995 | 500 | 350 |
* Models 60H, 110H, 120H, 140H, 160H, 230H, 240H, 250H, 320H, 350H, 450H and 550H are also available. Please contact us for details.
New Monocell Joint
NMC-L Series · Longitudinal
Key Performance
Designed for bridge widening sections, with a narrow gap and a top plate made parallel to the direction of travel for a smooth ride.
Reinforcement at the connections improves joint fastening for excellent structural stability, and rolled steel gives it a long service life.
All steel parts are hot-dip galvanized to prevent rust, making maintenance easy.
Applied Patents
Technical Specifications
Specifications
Highlighted numbers are G2B item IDs you can search and order on Korea's public procurement platform.
| MODEL | G2B Item ID | Movement (mm) | Width (mm) | Length (mm) | Thickness (mm) |
|---|---|---|---|---|---|
| HT-NMCL-20H | 24694285 | 20 | 90 | 1800 | 102 |
| HT-NMCL-30H Zn | 25614937 | 30 | 100 | 1800 | 102 |
| HT-NMCL-50H | 25255283 | 50 | 120 | 1800 | 102 |
Side Walk Joint
SWJ Series · Pedestrian Bridges
Key Performance
Installed on bridge sidewalks, with a top plate of durable stainless steel (SUS 304) for easy maintenance.
Made seamless to the full sidewalk width for excellent waterproofing.
The top plate has no gaps, so shoes and bicycle wheels cannot get caught.
Technical Specifications
Specifications
| MODEL | A | B | C | D | E | H |
|---|---|---|---|---|---|---|
| HT-SWJ-20-80 | 150 | 250 | 50 | 120 | 150 | 80 |
| HT-SWJ-100-160 | 150 | 250 | 50 | 120 | 150 | 80 |
* Materials: SUS 304 (stainless steel), rubber (CR)
Rail Seal Joint
Rail Joint Series · Road
Key Performance
Steel beams and stud anchors safely transfer vertical and horizontal loads.
Stud anchors embedded in concrete and rigid beam connections distribute loads from above into the substructure.
A small exposed joint surface gives a comfortable ride and adapts to changes in road gradient for a safe driving surface.
Seals firmly attached to the beams keep out debris and surface water to protect the structure.
Technical Specifications
Specifications
Highlighted numbers are G2B item IDs you can search and order on Korea's public procurement platform.
| MODEL | G2B Item ID | Movement (mm) | Joint Spacing Min | Joint Spacing Max | Length (mm) |
|---|---|---|---|---|---|
| HT-Rail Joint-50 | 25231380 | 50 | 50 | 100 | 995 |
| HT-Rail Joint-80 | 25231382 | 80 | 80 | 130 | 995 |
| HT-Rail Joint-100 | 25231381 | 100 | 100 | 150 | 995 |
Need a bridge expansion joint for your site conditions?
Tell us the movement range, bridge type, installation conditions and quantity, and we will recommend the right product and its G2B item ID.