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New Items recently added to the Buildex Web page:
New Research on Lightweight Concrete Floor Drying
New Infromation on How Buildex for Internal Cuing of Concrete Improves Performance and Service Life. See Links Below.
Buildex fines LEED Recycled Claim - See the  "Sustainable Development and LEED" Link Below
Buildex Pumping Guidelines 


Buildex, Inc. is a Midwestern US producer of expanded shale lightweight aggregate marketed as Buildex lightweight aggregate. The word Haydite® in our logo refers to our roots that go back to Stephen J. Hayde, the inventor of expanded shale lightweight aggregate produced by the rotary kiln process. 
Buildex is a construction material used primarily in the production of lightweight concrete masonry (Haydite block and Buildex SmartWall Systems concrete masonry units), lightweight structural concrete, asphalt chip seals and also as a lightweight geotechnical fill aggregate. There are many other significant uses, as well. New uses include "Internal Curing" of conventional normal weight concrete. Internal curing extends hydration of cement to reduce shrinkage and improve concrete durability. More information on internal curing can be found in two new documents: our ESCSI Internal Curing Brochure and from NIST the Internal Curing: A 2010 State-of-the-Art Review as well as the website

Products made with Buildex are lightweight, yet just as strong and durable as products made with rock and sand. Buildex is used throughout the Midwest and Rocky Mountain states, shipped from our production plants in Kansas and Missouri. We are part of a global industry with other producers serving markets throughout the US and worldwide. Buildex has several unique characteristics that contribute to  Sustainable Development and LEEDTM Green Building certification credits.  

Buildex SmartWall Systems is proud to be a sponsor of the NCMA online Details library and NCMA e-TEK manual.

The first Buildex plant was built in Ottawa, Kansas and began production in 1950. Since that time we have added plants at Marquette, Kansas and New Market, Missouri and boosted production capacity to over 750,000 cubic yards annually. Buildex expanded shale lightweight aggregate is our only product, allowing us to concentrate on quality, consistency, service and economy while serving a market area of 15 Midwestern and Rocky Mountain states.

Buildex, Inc.
P.O. Box 77
Ottawa, Kansas 66067-0077
(785) 242-2177

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This site was designed and developed by Flory Design, Inc.   Copyright Buildex, Inc. 2010. All Rights Reserved. Buildex, Haydite and Car-Go are Registered Trademarks of  Buildex, Inc., Ottawa, Kansas. SmartWall and SmartWall Systems are Registered Trademarks or Service Marks of  the Expanded Shale, Clay and Slate Institute. LEED is a registered trademark and program of the U.S. Green Building Council. Adobe Acrobat and Adobe Acrobat Reader are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States and/or other countries.