Step-by-step Installation Instructions.
Tools needed for the step-by-step Installation: Hammer, utility knife, landscape spikes.
Flat-Forms are 12″ in diameter and 48″ in height.
1. Separate center support (a) from collar (b) | ![]() |
2. Unfold Flat-Form and flex at scores | ![]() |
3. Optional: Insert center support to top of bell perforations | ![]() |
4. Slip collar over top of form and slide assembly into hole (bell cuts down). Fill bell to desired depth and backfill to above bell cuts | ![]() |
5. Secure forming collar with landscape spikes (a) and fill with concrete | ![]() |
6. After concrete is cured, cut above forming collar and strip away from concrete pier | ![]() |