Combination Dobies


These concrete dobies have grooves built into them to create a cradle for the rebar to set in. This can create many usable dimensions from one brick. For instance, the 3 x 4 x 3 inch combo has an outside dimension of 3 inches by 4 inches. With the two grooves this product will provide cover heights of 2 ½”, 3”, 3 ½”, and 4”. All our concrete spacers meet standard PSI specs and can optionally be customized to add more strength for your specific rebar reinforcement needs.

Application: On grade.
Cover Height: Multiple cover heights.
Features: Designed with multiple heights within a single unit.

Standard 4000 PSI (Additional strength available at added cost).

D.O.T. Approved (In most states).
Meets all requirements and qualifies as a CRSI Class 1 Bar Support.

Weight (lbs/pallet)
1 1/2" x 2" x 2 1/2"
2 1/2" x 3" x 3 1/2" x 4"

100% made in the usa

Plastics use 100% recycled material

Additional Concrete Dobies

Plain Concrete Dobies » Rebar Spacers

Plain Concrete Dobies

Plain Concrete Dobies Access Full Product List See every variation and SKU of our concrete accessories. Download New Plain Concrete Dobies Our plain concrete dobies range in size from 2x2x3/4”, all the way up to 5” and 6” in dobies. They come with or without tie wire inserted in the concrete brick. As is the … Plain Concrete Dobies Read More »

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Wire Dobies

Wire Dobies

Concrete Wire Dobies Access Full Product List See every variation and SKU of our concrete accessories. Download New CONCRETE WIRE DOBIES The concrete dobies with wire are typically similar in size as the plain concrete dobies, with two wires protruding out of the top of the brick for tying to the rebar. These concrete spacers … Wire Dobies Read More »

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Dos and Don’ts of Tying Rebar

The Do’s and Don’ts of Tying Rebar

At a glance, the process of tying rebar may look easy. However, the reality is that is it quite a lengthy and complicated process. While it isn’t exactly rocket science, there are still a lot of things one needs to take into consideration when tying rebar. Do it improperly, and you risk endangering the entire integrity of a structure. In this short guide, we highlight the dos and don’ts of tying rebar. The Dos Do Your Homework Do your homework on what sizes, configuration, and placement of rebar will be required, as well as what type of chairs would be best for the job. Both concrete and plastic chairs have their pros and cons, and it will depend on your situation and budget in deciding

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