our story
Coming Full Circle
About Inland concrete products
George Hartzheim founded Aztec Concrete Products in 1966...
…manufacturing Dobies for the rebar fabricators and placers in Southern California. For over 30 years, Aztec Concrete Accessories, Inc. (“Aztec”, renamed in the 1980’s) was the leading manufacturer and distributor of both Dobies and plastic rebar support products throughout the western United States. In 1999, the company was sold and was absorbed into a larger organization.
In 2011, Inland Concrete Products, Inc. (ICP) was formed by two of the former Aztec owners: Doug Hartzheim and John Gilner. Initially manufacturing Dobies exclusively for Dayton Superior Corporation, ICP later expanded its footprint in the Dobie market by first providing the product line to another western region dealer serving the rebar fabricator community, and subsequently expanding its dealer network to include most major dealers serving the west region rebar fabricator community.
2019 brought the addition of a complete product line of plastic bar supports and plastic slab bolster. Recognizing that the market was lacking in innovation and quality, we designed a complete line of plastic accessories that provide additional features, functionality, and value to our customers. All of our plastic bar support products are state-of-the-art high-strength, high-performance products designed to meet the demanding environment created by reinforcing steel used in concrete construction.
Committed to our Values of
We ensure that every shipped product meets the highest quality control standards and delivers on our history of leadership in the concrete accessories marketplace.
Innovation
Our history has been one of innovation. We developed the industry’s first plastic on-grade chair that today is still a house-hold name. We strive to constantly improve product design, such as adding two cover heights on many of the Tilt Chairs and High Chairs, providing the most secure plastic bolster coupler in the industry, and the best performing on-grade chair available today . We think you’ll be pleased with the new creations coming this year from our innovative team of owners and employees.
QUALITY
Quality matters to us. Our Dobies typically exceed the compressive strength requirements for each application. Our plastic parts are all made from the newest technology in mold design and the plastic lines are crisp and clean. No mold flash and shabby looking parts coming from old molds.
Timely Service
Timely Service is a core value. We have what you need, when you need it. We’ve heard the stories of companies that can’t deliver as they try to exist with lean inventories…not us. We maintain the largest inventory of dobies in the country, and “Just in Time” inventory planning is not in our vocabulary. If you want it, send your truck and we’ll get it out the door.
A Tradition of Innovation
1966
Aztec Concrete Products founded by George Hartzheim.
1988
George’s son, Doug Hartzheim, took over management of Aztec Concrete Accessories, Inc.
1990 – 1999
Aztec develops a leading line of plastic rebar support products and files for several patents on its unique designs.
1999
Family sells the company.
2011
Inland Concrete Products (ICP) is formed by Doug Hartzheim and John Gilner.
2015 – 2018
ICP expands its footprint in the Dobie market.
2019
• Introduction of complete plastic accessory line
• Further expansion of footprint through leading building supply dealers
By the numbers
Experience you can rely on
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Plain Dobie
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Tilt Chair
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High Chair
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Wire Dobie
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Sand Plate
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Locking Wheel
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Dowel Dobie
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Slab Bolster
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On-Grade Square Chair
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Combination Dobie
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Form Spreaders
Committed to our Values of
We ensure that every shipped product meets the highest quality control standards and delivers on our history of leadership in the concrete accessories marketplace.
Innovation
Our history has been one of innovation. We developed the industry’s first plastic on-grade chair that today is still a house-hold name. We strive to constantly improve product design, such as adding two cover heights on many of the Tilt Chairs and High Chairs, providing the most secure plastic bolster coupler in the industry, and the best performing on-grade chair available today . We think you’ll be pleased with the new creations coming this year from our innovative team of owners and employees.
QUALITY
Quality matters to us. Our Dobies typically exceed the compressive strength requirements for each application. Our plastic parts are all made from the newest technology in mold design and the plastic lines are crisp and clean. No mold flash and shabby looking parts coming from old molds.
Timely Service
Timely Service is a core value. We have what you need, when you need it. We’ve heard the stories of companies that can’t deliver as they try to exist with lean inventories…not us. We maintain the largest inventory of dobies in the country, and “Just in Time” inventory planning is not in our vocabulary. If you want it, send your truck and we’ll get it out the door.
Dealer Commitment
We sell through our trusted dealers. Please call to find out who our dealer is in your area. If you would like to apply to become a dealer, please call and we’ll be happy to consider your request.
100% made in the usa
Plastics use 100% recycled material
Resources for Concrete Reinforcement
Concrete Construction During Economic Uncertainty
As we deal with tough and unsure times, developments and improvements keep the concrete market moving forward. These have certainly been a few of the strangest and most difficult days modern Americans have ever faced. While some concrete contractors have had the fortune to keep working despite the pandemic quarantine, others have seen tasks halted. Whether you’re working consistently or trying to find out how to jump-start your business upon a return to normalcy, now might be an exceptional time to learn more about the current technologies, innovations, developments, and skilled ideas that are driving the industry forward. New Technologies: Robotics, Big Data, and More From robotic demolition that allows big work in tight spaces to state-of-the-art atomized dust suppression machines, brand-new technological innovations increase
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
Industry news
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