- (a) When gaps occur during installation, pressure treated wood shims having a preventative retention of .60 per cubic foot shall be used to close the gap and level the house.
- (b) Hardwood shims that are 4-inch x 6-inch shall be used to level the house and fill any gaps between the base of the I-beam and the top of the pier cap.
- (c) Shims shall be used in pairs and driven tightly so they do not occupy more than one inch of vertical space. Wood plates no thicker than 2 inches shall be used to fill in any remaining vertical gaps.
- (d) Manufactured pier heights shall be adjustable risers that do not extend more than 2 inches when finally positioned.
Source. #14221, eff 2-25-25