Designed for on-grade concrete applications where durable, fixed-height rebar support is required. Unlike standard alternatives, this product is optimized for its specific application to improve stability, efficiency, and placement accuracy. Dowel Dobies are concrete rebar supports designed to support two mats of reinforcement when used with 90 degree bent rebar dowels. They are ideally suited for heavy on-grade rebar mats and can be ordered in standard or increased-strength configurations.

Supports two mats of reinforcement; depth of hole is 1/2 inch from bottom; suited for heavy rebar mats on grade; standard 4000 PSI concrete with increased-strength custom options; D.O.T. approved in most states; qualifies as a CRSI Class 1 Bar Support.

Concrete spacer designed for dowel applications and dual reinforcement mats. Quantity per pallet ranges from 756 to 1,280 depending on SKU. Meets standard PSI specs and CRSI Class 1 Bar Support requirements.

CDD300 3 x 3 1/2 x 4; CDD500 3 x 4 x 4 1/2 x 5.

What are Dowel Dobies used for? They support two mats of reinforcement with 90 degree bent rebar dowels. Are they suitable for heavy mats? Yes, they are designed for heavy on-grade rebar mats. Can they be ordered in higher strength? Yes, increased-strength options are available.