Type A Sinusoidal Armor Joints

Armour joints are made by galvanized steel board, high strength dowel bar/board, telescopic sleeve of dowel bar/board which laser square holes on both sides, press, bent, welding then finished, easily broken plastic bolts.

The square holes on both sides of the armour joint will be position and anchoring by bent in the concrete. Then will have two metal plates on top side, to protect the edges and angle of the joints. The armour joints also can sub warehouses, then save steel cost, wood cost, and labor cost which will occurred in the concrete working.

The dowel board is welded on the sub warehouses, in the middle place of the concrete flooring, the distance of each is 50cm as normal. The plastic bolts will be broken when the concrete is finished, then it will become into the metal protection joints.

The dowel bar/board will be expansion freely in vertical and horizontal direction in the telescopic sleeve, it well meets the requests in the EN Concrete standards TR34 (move 10mm in horizontal direction, move 20mm in vertical direction).

Suitable for a wide range of internal applications, but particularly heavy duty ones - such as industrial buildings and waste transfer stations.

Ideal for free movement areas, but also suitable for most other areas.

Suitable for use with most vehicle types.

Suitable for larger joint openings, up to 30mm.

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