Footings & frost
Sourced answers on footings & frost, written for the person standing in front of the problem.
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1
What is a concrete footing?
A footing is the widened concrete base that spreads a structure’s load onto soil. Its depth is set by your local frost line; there is no national number.
2How thick is a concrete slab foundation?
The slab field is typically 4 inches thick, with thickened edges and footings going much deeper. Thickness and footing depth are engineer and code specified.
Questions in this topic
2Calculators
Calculators
Footing calculator
Calculate concrete volume for a continuous strip footing. Enter width, depth and total run length to get cubic yards, cubic feet and bag counts.
CalculatorsColumn & tube calculator
Concrete volume for round column forms and tube footings. Enter diameter, height and quantity to get cubic yards, cubic feet and bag counts.