2601.2 Exterior wall coverings.
BC § 2601.2
The use of plastics in exterior wall coverings is subject to the following limitations: 1. Exterior wall coverings containing plastics shall not be permitted on Type IV construction utilizing cross-laminated timber (CLT) or structural composite lumber (SCL) complying with Section 602.4.
2.Exterior wall coverings containing plastics shall not be permitted at exterior balconies and shall comply with Section 1406.3. Exception: Combustible water-resistive barriers complying with Section 1403.5.1.













