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Sonoco Sonotube® Tube Base® footing forms (10
Sonoco Sonotube® Tube Base® footing forms (10
Sonoco Sonotube® Tube Base® footing forms (10

Sonoco Sonotube® Tube Base® footing forms (10"-12" - 13 80# BAGS)


Available Inventory: 7
  • $104.85
    Unit price per 

Sonotube® Builder's Tube® concrete forms are not designed to be stripped from the cured concrete. If stripping above ground is desired, use a releasing agent before pouring the concrete and remove as soon as the concrete is set. Sonotube Builder’s Tube concrete forms should not be used with mechanical vibrators.


• Decks

• Fence and lamp posts

• Swing sets

• Mailbox posts

• Basketball goals

Features and benefits

• Professional results

• Conforms to building codes

• Economical


Available in 6", 8", 10" and 12" diameters in standard lengths of 4', 8' and 12'

The Sonotube Builder’s Tube concrete form requires no assembly. They are ready to use the moment they are needed. The only preparation you may need is to cut the easy-to-handle lengths to fit the exact size of the project. Consult the following chart to estimate the amount of concrete you will need.

Sonotube Builder’s Tube 6" 8" 10" 12" concrete form diameter* 6" DIA 8" DIA 10" DIA 12" DIA
Cubic feet of concrete 0.20 0.35 0.55 0.80 per foot of height 0.20 0.35 0.55 0.80
(80 lb.) Bags of concrete 1⁄3 3⁄5 1 11⁄3 mix per foot of height





(60 lb.) Bags of concrete 1⁄2 4⁄5 11⁄4 2 mix per foot of height





* Diameter sizes are nominal. If critical, you need to measure.

Sonotube® Tube Base® footing forms are used in conjunction with Sonotube concrete forms for added strength, increased stability and greater bearing capacity. As a single piece it is easier to level, and less likely to tip, tilt or move, especially during the backfilling process. The result is lower costs due to savings in time, labor and materials.


• Decks

• Porches

• Posts

Features and benefits

• More cost and time efficient than conventional wood-forming method

• Simultaneous forming of concrete footing and column

• Superior structural stability

• Decreases the potential for uplift of form due to existence of frost

• Allows for additional soil bearing capacity

• Made from 100% recycled plastic


• TB 22" fits 8"/10" Sonotube forms; concrete volume 2.0 cu. ft.

• TB 28" fits 8"/10"/12" Sonotube forms; concrete volume 4.5 cu. ft.

• TB 32" fits 12"/14"/16"/18" Sonotube forms; concrete volume 7.0 cu. ft.

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