Warranty

As part of our commitment to providing exceptional quality of our products, Ambassador Stone LLC offers a 20 year warranty of the product when proper installation techniques and materials are used, along with adhering to all local building codes.

Product Testing & Certifications

American Society for Testing & Materials (ASTM) Standards
ASTM C 567, ASTM C 192, ASTM C 39, ASTM C 190, ASTM C 348, ASTM C 482, ASTM C 67
All testing done in accordance with ICBO ASCI:
“Acceptance Criteria for Precast Stone Veneer”

Installation

Instructions:

Manufactured Stone is easy to install, even for the most inexperienced do-it-yourselfer. 

Prepare the Surface

Building paper should be applied to all exterior wood surfaces before applying metal lath.  Install a metal lath to all surfaces except unpainted and untreated masonry surfaces such as brick or block.  On metal surfaces, attach the metal lath with self tapping screws every 16 inches.  On wood surfaces, attach the metal lath by nailing or stapling on centers every 6 inches, hitting studs whenever possible.  Always attach metal lath right side up with small cups pointing upward. 

Apply Mortar to Wall

Apply a coat of thin mortar, 1/2" - 3/4" thick,  Mix mortar with just enough water for workable consistency. 

Apply the Stone

Lay out stones at random.  Install corner stones first.  Remaining stones should be applied by working from the bottom up or top down.  Joints between the stones should be as tight and uniform as possible. Press stone firmly into place with a gentle wiggling motion to promote bonding.  The mortar on the back of the stone should squeeze out and surround the stone. 

Remove/ Dress Excess Mortar

Once mortar joints are firm, use a wooden or metal striking tool and remove excess mortar. At the same time, firmly press mortar into the joints so edges of stone are thoroughly sealed.  

Clean Stone

Clean any remaining mortar off face of stones with a wire brush. Never let mortar set overnight before brushing joints.

Brush Joints/ Completion

Use a whisk broom to brush mortar joints until smooth and loose mortar has been brushed away.