Masonry Veneer Manufacturers Association -

Manufacturers complying with MVMA standards generally ensure their products meet or exceed: Often above 1800 psi. Water Absorption: Must be managed to prevent damage.

The 5th edition of the guide covers updated techniques for applying stone veneer over continuous insulation, ensuring structural support. masonry veneer manufacturers association

The Masonry Veneer Manufacturers Association (MVMA), often in collaboration with the National Concrete Masonry Association (NCMA) , provides industry-standard guidelines to ensure the quality, safety, and durability of adhered manufactured stone veneer (AMSV). Their primary guiding document is the "Installation Guide and Detailing Options for Compliance with ASTM C1780." Key MVMA Installation Guidelines (ASTM C1780) This should be placed at least 4 inches

Disclaimer: Always prioritize the specific product manufacturer's installation instructions, which may have additional requirements beyond the general MVMA guidelines. The Masonry Veneer Manufacturers Association (MVMA)

A weep screed with a minimum vertical attachment flange of 3.5 inches is required at the base of the wall to drain moisture. This should be placed at least 4 inches above earth or 2 inches above paved surfaces. Lath Requirements: Self-furred metal lath (minimum 2.5 lb/ yd2y d squared