Bigfoot tech info, construction footing forms below grade site map

World's #1 Selling
Concrete Construction Tube
Footing Form!

Bigfoot footing forms saves time, money & hassle!
Call 1-800-934-0393

Bigfoot Systems® Product Video — 54sec
Bigfoot Systems® Installation Video — 3min

Bigfoot Systems® tech info, construction forms below grade - you can count on them!

Click to see our step-by-step animations and discover how simple it is to install our concrete footing forms!
Bigfoot's construction footing forms below grade 9-step process:


1. Dig hole.
2. Base should be placed on undisturbed soil or 4" - 6" of compacted crushed stone or gravel.
3. Excess rings should be cut off at the top of the ring being used and removed. (300 mm) spikes in at a 45 degree angle to prevent the footing form from rising.
4. Screw required length of construction tube to the footing form with four 1" screws

below grade footing install step 4

Step 4

below grade footing form install step 5

Step 5

below grade footing install step 6

Step 6

footing form install step 9

Step 9

5. Install in hole.
6. Plumb and level. The tube must be braced if it extends 3 ft. or more above grade.
7. If necessary, have inspected by building inspector before backfilling.
8. Backfill. Avoid dropping or placing heavy rocks or heavy wet soil on the footing form.
9. Pour concrete using footing form inverted on top of the construction tube as a funnel.

Print all or part of our installation manual (pdf)

Engineered documentation & instructions:

To have a complete set of engineered documentation and instructions mailed or faxed to you, contact us!
Toll free from anywhere in North America: 1-800-934-0393
From anywhere in the world: (country code 011) 902-627-1600

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