Sliding Door Footing- 3' deep concrete Frost Footing with steel angle iron edge and door guides. Overhead door Frost Footing- 3' deep concrete Frost Footing with finished sloped cap. 

• Prevents uneven floor and ground levels at entry points into the building which prevents cracking if you have a concrete floor in your building 
• On Sliding Doors, a frost footing with angle iron gives your door a smooth edge to slide against providing a tighter seal for the door to the building and helps keep your door in place during high winds. 
• On overhead doors, a frost footing provides a smooth sloped place for the door to seal, helping your door stay balanced and keep water out of your building

Frost footings help keep your investment at top quality long after completion!