Related Code Sections
Fire-retardant-treated wood framing complying with Section 2303.2 shall be permitted within exterior wall assemblies with a 2-hour rating or less ...
are built. Exceptions: 1. On buildings of Type I construction, the exterior walls and roofs of penthouses with a fire separation distance greater than 5 feet (1524 mm) and less than 20 feet (6096 mm) shall be permitted to have not less than a 1-hour fire-resistance rating. The exterior walls and roofs of penthouses with a fire separation distance of 20 feet (6096 mm) or greater shall not be required to have a fire-resistance rating. 2. On buildings of Type I construction two stories or less in height above grade plane or of Type II construction, the exterior walls and roofs of penthouses with a fire separation distance greater than 5 feet (1524 mm) and less than 20 feet (6096 mm) shall be permitted to have not less than a 1-hour fire-resistance rating or a lesser fire-resistance rating as required by Table 602 and be constructed of fire-retardant-treated wood. The ...
Wood veneers on exterior walls of buildings of Type I, II, III and IV construction shall be not less than 1 inch (25 mm) nominal thickness, 0.438-inch (11.1 mm) exterior hardboard siding or 0.375-inch (9.5 mm) exterior-type wood structural panels or particleboard and shall conform to the following: 1. The veneer shall not exceed 40 feet (12 190 mm) in height above grade. Where fire-retardant-treated wood ...
Combustible exterior wall coverings shall comply with this section. Exception: Plastics complying with Chapter 26. Section 1406 shall apply to exterior wall coverings ; balconies and similar projections; and bay and oriel windows constructed of combustible materials. On buildings of Type I, II, III and IV construction, exterior wall coverings shall be permitted to be constructed of combustible materials, complying with the following limitations: 1. Combustible exterior wall coverings shall not exceed 10 percent of an exterior wall surface area where the fire separation distance is 5 feet (1524 mm) or less. 2. Combustible exterior wall coverings shall be limited to 40 feet (12 192 mm) in height above grade plane. 3. Combustible exterior wall coverings constructed of fire-retardant-treated wood complying ...
On buildings of Type I, II, III and IV construction, exterior wall coverings shall be permitted to be constructed of combustible materials, complying with the following limitations: 1. Combustible exterior wall coverings shall not exceed 10 percent of an exterior wall surface area where the fire separation distance is 5 feet (1524 mm) or less. 2. Combustible exterior wall coverings shall be limited to 40 feet (12 192 mm) in height above grade plane. 3. Combustible exterior wall coverings constructed of fire-retardant-treated wood complying ...