Bigfoot Systems BF28 28 in. Footing Form Base (Fits 10 in. - 12 in. Tubes) The Bigfoot Systems BF28 footing form is a pre-engineered, bell-shaped concrete footing form for residential and light-commercial pier foundations. It connects to standard 10-inch or 12-inch construction tubes to create a stable spread footing and concrete pier in a single pour. It is suitable for decks, additions, cottages, timber structures and light-commercial projects. Product Specifications Model: BF28 Base diameter: 28 in. Compatible construction tubes: 10 in. or 12 in. Application: Residential or light commercial Concrete volume for footing form: 3.25 cu. ft. Material: Lightweight, durable high-density polyethylene (HDPE) Features and Benefits Pre-engineered footing form replaces traditional site-built wooden footing boxes Bell-shaped design helps distribute structural loads over a wider area Structural ribs add strength while integrated air vents support proper concrete placement Sheds water away from the footing area Helps resist uplift and frost movement when correctly sized and installed Lightweight construction makes it easier to transport, position and install Remains in place after the concrete is poured Important: The 3.25 cu. ft. concrete volume applies to the BF28 footing form only and does not include the attached construction tube. Total concrete requirements depend on the tube diameter and length. Confirm the required footing size and frost depth with your local building authority and install according to the current Bigfoot Systems instructions.
