N.H. Code Admin. R. Inst 603.04 - Gaps

(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 in x 6 in may 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.


N.H. Code Admin. R. Inst 603.04

#8494, eff 12-24-05; ss by #10155, eff 4-14-12

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