As a rule of thumb, the thickness of the concrete foundation for a chimney
As a rule of thumb, the thickness of the concrete foundation for a chimney should be 1/26 the height of the chimney. If a chimney is 26 feet high, its base should be 1 foot thick.
As a rule of thumb, the thickness of the concrete foundation for a chimney should be 1/26 the height of the chimney. If a chimney is 26 feet high, its base should be 1 foot thick.