- Anchor bolts are integrated at the top and the bottom of the product.

- The side of the product is crescent-shaped so that there is no gap when concrete is placed.

- Sound absorption material is inserted in the joint gap between the inside of the product and slab.

- Surface of the expansion joint is thickened to increase endurance and promote smooth driving.

- As it is manufactured partition by partition, the swift installation and the economical maintenance and repair are possible.