Deck Foot - Ledger - Frost FootingFROST FOOTINGS FOR LEDGER CONNECTED DECKS AND MORE IN MINUTES. The Deck Foot Anchor for ledger connected decks is a frost footing that installs easily into most soil types with a lightweight handheld impact wrench. A compression Load Fin gives the auger lateral resistance in the soil. The Post saddle can adjust laterally for precise alignment with a beam unlike other helical piles. The 3 " blade and 5" blade have tested in clay for maximum compression