For increased moisture management, particularly in high-humidity areas, the MVMA encourages the use of rainscreen systems (drainage mats) to improve air space, according to Consumers Concrete.
Proper ground clearance and flashing are essential at all intersections to prevent damage, such as from efflorescence. Best Practices & Innovations masonry veneer manufacturers association
A space must be created behind the mortar scratch coat to allow for drainage. A weep screed with a minimum vertical attachment flange of 3
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 Their primary guiding document is the "Installation Guide
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)