Modular Joints – Series 2000

Series 2000 modular joints have proven their effectiveness in hundreds of installations over the years. This joint system, which ensures the continuity of the road surface while maintaining a watertight seal during large structural movement (more than 100 mm), has been in use in Canada for more than 30 years. Goodco Z-Tech has created modular joints that meet the most recent internationally recognized standards and can adapt to extreme operating conditions and complex geometries. Series 2000 modular joints can be used on any type of bridge deck under construction or rehabilitation and are easily adaptable to large skew. Additionally, Goodco Z-Tech modular joints can be designed to withstand movement caused by an earthquake without permanent damage.

When anticipated movement are smaller than 100 mm, the use of Series 1000 or 1100 expansion joints is recommended.


• Locked-in strip seal
• Simple installation and replacement of strip seals
• Total watertightness
• Custom-designed anchoring system
• Resistance to snow removal equipment
• Protection against corrosion
• Easily replaceable components

Figure 1: Isometric view of an LG-3 joint















Joints are manufactured to match perfectly the structure’s profile, enabling surface water to remain on the deck so that it can be directed toward the drainage systems designed for this purpose.

Type LG Joint (MTQ)

Figure 2: Type LG modular joint with snow-plow protection plates (MTQ type)

The modular joints developed to meet the MTQ’s requirements use plates to protect against damage caused by snow-plow blades.

Type LG Joint (MTO)

The modular joints approved by the Ministry of Transportation of Ontario (MTO) are equipped with an epoxy injection system. The injection is performed after the joint’s headers have been concreted. It fills the voids under the angles and seals cracks that may have developed during concrete curing. This system may be implemented for other types of Goodco Z-Tech modular joints.

Figure 3: Type LG modular joint with MTO type anchors and epoxy injection system


The modular joints can be equipped with a trough, providing a second watertightness barrier. The trough can also help reduce ambient noise from the passage of vehicles.

Figure 4: Modular joint with trough

Alternative Anchoring System

Fusion-welded studs can also be used as a concrete anchoring system.

Figure 5: Modular joint with anchoring studs

Joint Cover Plates

It may be important to cover the joint using a plate in some applications, for example at pedestrian crossings or to preserve the continuity of sidewalks, curbs or concrete barrier walls. In those situations, joint cover plate systems can be added to the expansion joints. These plates are bolted down to allow for the installation and replacement of strip seals. Plates with non-skid patterns are available.

Figure 6: Joint cover plates covering a barrier wall
Figure 7: MTO type joint cover plates covering a sidewalk

For technical information, Goodco-Z-Tech-Modular-Joints.


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