Lockable Dowels

Ancon Lockable Dowels are a proven, independently-tested solution which is both easy to detail and install on site.

Nail the sleeve to the formwork so the top of the grout box is level with the top of the slab. Do not remove the label over the nailing plate as this prevents ingress of concrete into the sleeve. Fix the local reinforcement.

Pour the concrete, and when of sufficient strength, strike the formwork. Puncture the label to reveal the cylindrical sleeve only and insert the dowel until it is approximately 20mm from the back of the grout box.

Fix the local reinforcement around the dowel component and pour the concrete.

After a predetermined time period (generally 60-120 days), when movement between the slabs has stabilised and the joint between the slabs has been filled, the dowel is ready to be locked. Fit the Locking Plate on a groove in the centre of the grout box. The fan-shaped Locking Plate allows the dowel to be locked in any position.

Mix the two-part epoxy resin and pour into the grout box, ensuring it flows along the stainless steel box section towards the joint.

After 24 hours the grout box can be filled with cementitious material, level with the top of the slab, to complete the installation. The locked dowel continues to transfer vertical load between the slabs, but movement can no longer take place.

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