Master Wall® Cement Board Mesh is a self-adhesive lightweight woven, glass fiber mesh that is specially coated for compatibility with Master Wall Base Coats. The 3 inch (76 mm) wide mesh is used as the first reinforcing layer in the Stucco Cement Board Coating application.

Mesh Properties

  • ASTM C474
  • ASTM C475
  • Weave: 8×8

Widths & Packaging

3 inch x 150 feet (76 mm x 45.7 m)

Coverage Estimate (4×8 sheets)

Square Footage x 0.37 = linear feet of mesh (coverage is not guaranteed)

Application Procedure

General – The substrate must be clean, dry, structurally sound and free of efflorescence, oil, grease, form release agents and curing compounds. Painted surfaces are not acceptable and the paint must be removed.

Job Conditions – Air and substrate temperature for application of the Cement Board Mesh must be 40°F (5°C) or higher and must remain 40°F (5°C) or higher for a minimum of 24 hours.

Temporary Protection – Must be provided at all times until the wall system, including flashings, caps, and sealants, is completed to provide protection from climatic conditions and other potential damage.

Installation – Apply Cement Board Mesh according to Master Wall® Specifications. In general, Cement Board Mesh is centered on the cement board joints and corners before the first application of base coat at the joints. Alternatively the mesh can be embedded into wet base coat at these locations. See the Stucco Cement Board Coatings specifications and details for specific instructions. Lap Cement Board Mesh a minimum of 2-1/2 inches (63.5 mm).

Limitations – Cement Board Mesh is not intended for use as the exterior or primary reinforcement of any Master Wall System

Information contained in this product data sheet conforms to the standard detail recommendations and specifications for the installation of Master Wall® Inc. products and is presented in good faith. Master Wall Inc. assumes no liability, expressed or implied as to the architecture, engineering, or workmanship of any project. This information may be concurrent with, or superseded by other applicable documents, such as specifications and details. Contact Master Wall® Inc. for the most current product information.

Additional Information