Physical Dimensions

Walls for residential structures constructed with structural insulated panels (SIP) systems in accordance with this document shall comply with the shapes and minimum cross-sectional dimensions required in this section. SIP walls not in compliance with this section shall be constructed in accordance with accepted engineering practices, manufacturer’s recommendations, or an approved design.

SIPs for above grade wall construction shall comply with Figures 2.1 and 2.2 and shall have minimum panel thickness as specified in Section 2.2. Alternate SIP wall panel configurations that can demonstrate equivalency to SIP wall panels specified in this document shall be permitted. Each SIP wall panel shall be identified by grade mark and/or certificate of inspection issued by an approved agency as per Section 2.7.