2304.12 Wood Supporting Masonry or Concrete

  1. Masonry or concrete nonstructural floor or roof surfacing not more than 4 inches (102 mm) thick is permitted to be supported by wood members.

  2. Any structure is permitted to rest upon wood piles constructed in accordance with the requirements of Chapter 18.

  3. Veneer of brick, concrete or stone applied as specified in Section 1405.5 having an installed weight of 40 pounds per square foot (psf) (1.9 kN/m²) or less is permitted to be supported by an approved treated wood foundation when the maximum height of veneer does not exceed 30 feet (9144 mm) above the foundation. Such veneer used as an interior wall finish is permitted to be supported on wood floor construction. The wood floor construction shall be designed to support the additional weight of the veneer plus any other loads and to limit the deflection and shrinkage to ¹/₆₀₀ of the span of the supporting members.

  4. Glass unit masonry having an installed weight of 20 psf (0.96 kN/m²) or less is permitted to be installed in accordance with the provisions of Section 2110. The wood construction supporting the glass unit masonry shall be designed for dead and live loads to limit deflection and shrinkage to ¹/₆₀₀ of the span of the supporting members.