Sonotube Concrete Form – Round

Economical engineered column forms

Sonoco has leveraged over a century of paper-making experience to re-engineer its Sonotube concrete column forms.

Versatile & Economical

If you haven’t used a Sonotube concrete column form, you haven’t discovered the most economical way to create a diverse range of columns or posts.

Because our concrete column forms can be cut-to-size on the job site, it is one of the most versatile construction products on the market.

Advantages
  • Rain-resistant technology keeps wet weather from impacting your pour.
  • Easier to setup and brace.
  • Superior strength-to-weight properties prevent blowouts, during concrete form setting.
  • More effective concrete form setting.
  • Easy to cut and drill at the job site.
  • Sonoco manufactures and distributes Sonotube brand concrete forms throughout North America, minimizing lead times.
  • No cleaning, reassembling, or return freight costs.
  • Set and pour multiple columns at one time.
Applications
  • Columns for residential and commercial buildings and other structures.
  • Outdoor sign, light pole and fence-post bases.
  • Footings and concrete column molds.
  • Stub piers for elevated ramps.
  • Flagstones and round steps.
  • Theatrical and movie props.
  • Can be used as large shipping tube
  • Other concrete column applications.

Download Sonotube® Round Concrete Forms product brochure

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Description

Use the chart below to determine concrete requirements for your project.

Sonotube® concrete forms are available in the following diameters
Sonotube® Finish Free®: 12″ – 48″
Sonotube® Round: 6″ – 36″
Sonotube® Commercial: 6″ – 60″

Concrete Requirements (Expressed in cubic yards for columns of various heights)

Diameter
(in.)

Height of Column

3ft. 6ft. 8ft. 10ft. 12ft. 16ft. 20ft.
6 .022 .044 .058 .073 .088 .117 .146
8 .039 .077 .103 .129 .155 .206 .258
10 .061 .121 .162 .202 .242 .323 .404
12 .087 .176 .233 .291 .349 .466 .582
14 .119 .238 .317 .396 .475 .634 .792
16 .155 .310 .414 .517 .620 .827 1.034
18 .196 .392 .523 .654 .785 1.046 1.310
20 .242 .485 .646 .808 .970 1.293 1.616
22 .293 .587 .782 .978 1.173 1.565 1.956
24 .349 .698 .931 1.164 1.397 1.862 2.328
26 .410 .820 1.093 1.366 1.639 2.186 2.732
28 .475 .950 1.270 1.584 1.901 2.534 3.170
30 .545 1.091 1.454 1.818 2.182 2.909 3.636
32 .621 1.241 1.655 2.069 2.483 3.310 4.138
34 .701 1.401 1.868 2.335 2.802 3.736 4.670
36 .785 1.571 2.094 2.618 3.142 4.189 5.236
40 .970 1.939 2.586 3.232 3.878 5.171 6.464
42 1.069 2.138 2.850 3.563 4.276 5.701 7.126
48 1.396 2.792 3.723 4.654 5.585 7.446 9.308
54 1.767 3.534 4.712 5.890 7.069 9.424 11.780
60 2.181 4.363 5.817 7.272 8.727 11.634 14.544