How to Install Thin Stone with a Rainscreen - Gravity Cavity Installation Video

A rainscreen drainage gap promotes ventilation and drainage to keep walls dry. Learn how to install a manufactured stone veneer with Gravity Cavity and the L&R Weep Screed from MTI www.mtidry.com... 800-879-3348
Prevent entrapped moisture in thin stone walls by incorporating a rainscreen drainage gap. The old problems we saw with moisture and stucco are recurring in cultured stone because we aren't applying building science. To do stucco and cultured stone / manufactured stone / thin stone correctly, include a drainage gap! Products from MTI create drainage gaps of 1/8 in, 3/16in and 10mm and are proven to drain walls and protect against mold, rot and wall failure.
The weep screed at the bottom termination in a thin stone wall system protects the veneer from damange. But most weep screeds don't actually "weep" - they rely on hairline cracks in the veneer to drain moisture. There is no possibility for ventilation with most weep screeds. MTI's L&R Weep Screed keeps walls dry. It accommodates the depth of a rainscreen drainage plane and features large slots for drainage and ventilation.

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