Masonry Magazine August 2011 Page. 28
MANUFACTURED STONE
It should be no surprise that it is building such a huge fan base.
Masons, now is the time to start your engines. Learning to install manufactured stone can rev up your business. Before you get started, and the checkered flag begins to wave, choose your team wisely. Assure that they are part of the Masonry Veneer Manufactures Association.
Preparing your wall over framing
INSTALLING VENEERSTONE over framing (wood or metal) with sheathing (plywood, OSB, rigid insulation, gypsum wall board, concrete board, fiber board) is done as follows:
STEP 1: Ensure all penetrations are properly flashed in a watershed fashion.
STEP 2: Install two layers of Water Resistive Barrier, overlapping the horizontal joints 2-inch, shingle fashion. Vertical seams should overlap 6 inches. Double wrap Water Resistive Barrier at inside and outside corners a minimum of 16 inches, both sides.
STEP 3: Following local building codes, install mesh or lath. Lath should be installed horizontally, overlapping sheets 1 inch at the edges. Fasteners should be spaced 6 inches on center vertically, and 16 inches on center horizontally and driven into the studs at least 1 inch. Wrap lath around corners to next framing member and lap lath at framing member.
STEP 4: Trowel a 3/8-inch nominal thick coat of mortar to the metal lath to create a mortar scratch coat. Press hard enough to firmly embed the lath with mortar.
STEP 5: Score or scratch the surface horizontally when mortar is "thumbprint dry."
Note: Do not use manufactured stone in direct contact with chemicals (de-icing minerals, salt, chlorine), submerged in water, or below grade.
OIEDRICH
TECHNOLOGIES, INC.
A DIVISION OF SANDELL CONSTRUCTION SOLUTIONS
A HOHMANN & BARNARD COMPANY
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