N.M. Admin. Code § 14.7.5.14

Current through Register Vol. 35, No. 21, November 5, 2024

Section 14.7.5.14 - STUCCO/PLASTER

A. Interior and exterior surfaces of bale walls shall be protected from mechanical damage, flame, animals, and prolonged exposure to water. Bale walls adjacent to bath and shower enclosures shall be protected by a moisture barrier.

B. Where bale walls abut other material (wood, concrete, steel, etc.) galvanized expanded metal lath shall be used to cover the junction. Expanded metal lath shall extend a minimum of six inches (6") onto the bales and shall be securely fastened to the bale.

C. All straw bale shall have exterior walls plastered with a minimum thickness of seven-eighths inch (7/8") portland cement plaster with or without stucco netting. The following two step process applies to the first coat of portland cement plaster applied to the vertical surface of the bales:

(1) the first coat of plaster shall be thoroughly worked into the bale surface; and

(2) the second coat of plaster shall be applied over the first coat and "scratched" to provide bonding for the subsequent layer of plaster.

D. Where wire mesh is used, wire mesh shall be a minimum of 17 gauge wire mesh by one and one half inch (1 1/2") opening and shall be securely attached to the exterior wall surface. Mesh fasteners shall have a maximum spacing of sixteen inches (16") from each other.

N.M. Admin. Code § 14.7.5.14

14.7.5.14. - Rp, 14.7.5.14 NMAC, 1-1-08