New Mexico Administrative Code
Title 14 - HOUSING AND CONSTRUCTION
Chapter 7 - BUILDING CODES GENERAL
Part 4 - 2021 NEW MEXICO EARTHEN BUILDING MATERIALS CODE
Section 14.7.4.20 - LATH AND PLASTER
Current through Register Vol. 35, No. 18, September 24, 2024
A. General. When non-cementious plasters are applied directly to the rammed earth wall surface, the surface shall be scored or sandblasted prior to the application of the plaster. Rammed earth walls must cure to a depth of four inches minimum prior to application of an approved exterior finish.
B. Lath. Where rammed earth walls have a plaster finish, metal lath shall be installed around interior and exterior wall openings and over dissimilar materials.
C. Exterior plaster. In unstabilized rammed earth walls, stucco netting shall be installed and cementious plaster shall have a minimum seven-eighths inch finished thickness, unless an elastomeric "color coat" is used, then it shall have a minimum base coat of five-eighths inch. Applications shall follow the material manufacturers' specifications.