Construction Cores

A reliable source for Paper Tube information and leading Paper Tube Companies & Manufacturers.

In construction, they assist in forming load bearing concrete columns. The load bearing columns they help make are used in all sorts of applications, including foundationing (concrete piles) and highway support. Read More…

Construction Cores Construction cores, also known as construction tubes, are a type of spiral wound cardboard (wood pulp fiber) tube used primarily in construction. Construction cores are also useful in small commercial and DIY home improvement applications.

Leading Manufacturers

Cleveland, OH  |  800-882-9002

As a member of the Member of the Independent Converters Association, we know the business of cardboard tubes. Our tubes are some of the strongest in the industry and we can meet a huge variety of needs from many different industries.

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Ace Paper Tube Corporation $$$

Greeneville, TN  |  423-638-1284

Valk Industries provides engineering and manufacturing services for cardboard tubes as well as custom thermoformed items like clamshells, blister packs, trays and filler material.

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Valk Industries, Inc. $$$

Beloit, WI  |  800-393-7917

Western Container partners with the world`s top spiral tube equipment designers & paperboard manufacturers, to bring our customers the very best paper tubing and precision cores.

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Western Container Corp. $$$

Canton, MA  |  781-963-5555

We want to help you put your product in a tube! We offer tubes and mailers, cores, convolute tubes, paper tubes and many more! Our research and development department works around the clock in order to ensure that the products we offer are among the most technologically innovative in the industry!

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Marshall Paper Tube Company, Inc. $$$

Chicago, IL  |  312-243-6050

Chicago Mailing Tube is a premier manufacturer of custom paper tubes, containers, and cores, providing products that are both high quality and economical. CMT has been meeting custom size and design requirements for its customers since 1902.

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Chicago Mailing Tube $$$

Dallas, TX  |  800-422-5108

Here at Paper Tubes and Sales we are a proven manufacturer of high quality cardboard tubes. These products are ideal for a multitude of industries and our teams are available to assist you with determining the best paper tube for your application.

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Paper Tubes & Sales $$$

Milwaukee, WI  |  414-988-7141

For quality, 100% recyclable cardboard tubes, look no further than Heartland Products. We serve customers throughout the United States with the highest quality products, all made to specific requirements both on budget and on time.

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Heartland Products Group LLC $$$

Belvidere, IL  |  815-547-1700

At Wes-Pac, we have made it our mission to ensure that our customers are having their needs and expectations met, and to turn first time customers into lifelong connections. We offer white tubes, kraft tubes, Snap-Loc tubes, telescopic tubes, and more. All of our tubes are 100% recyclable. For more information on how we may be of service, get in touch with our customer service representatives today!

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Wes-Pac Inc. $$$
placeholder image Ace Paper Tube Corporation Valk Industries, Inc. Western Container Corp. Marshall Paper Tube Company, Inc. Chicago Mailing Tube Paper Tubes & Sales Heartland Products Group LLC Wes-Pac Inc.

Construction cores act as a mold into which workers can pour liquid concrete. They are strong and stable enough to hold and pressurize the liquid concrete. Once manufacturers have poured the concrete inside the construction core, the workers let it sit until the concrete cures. Then, they can either remove the cardboard core or leave it on.

Cardboard Protective Sleeves Cardboard Cores - Heartland Products Group LLC

To assist them in their endeavors, customers may purchase construction cores in a wide variety of lengths, diameters and thicknesses. Note that the thicker the core, the stronger the resulting column. Cardboard core manufacturers accommodate not only varying size requirements, but also specific concrete related requirements. Specifically, they often line the inside wall of their construction cores with a water resistant layer, such as wax. They do this to keep water inside the concrete, where it helps keep it strong as it cures.

Construction cores offer construction workers many benefits over traditional concrete forming methods. Its big draw is its simplicity. It is straightforward, easy to execute and effective. The longest part is curing, which takes around 24 hours. Another great thing about construction cores is that they are easy to cut down to size.

Also, in general, provided they have not been soiled by the concrete, cardboard cores are recyclable. Similarly, construction cores are made using low impact processes, so they are much more gentle on the environment than other tools. Learn more about your construction core options by checking out those manufacturers we’ve listed on this page.

Construction Cores Informational Video