How to fix stacked stone veneer to a wall using Norstone rock panels
Professional Installation Recommended
Whilst Norstone rock panels can be installed by most home handyman with a limited knowledge of building and construction, we strongly recommend that Norstone rock panels be installed by professional licensed tradesmen or contractors.
Norstone stack stone veneer rock panels are quick and easy to fix to a wall with a good quality neutral tile adhesive. Compared to building a traditional stacked stone wall, it is possible to cover a large wall in a short period of time because of their large size (610mm x 152mm) or (24inches x 6inches) There is no need for grouting, therefore once they are laid the job is finished.
First you must ensure that your timber or steel frame is very strong and is structurally capable of supporting the weight of the rock panels which weigh around 5.5kgs or 12lbs each.
The fibrous cement board must be a minimum of 18mm or 3/4 inches thick to support the weight of the rock panels and must be securely fixed to the framework constructed from either timber or steel. We suggest that the board should be glued and screwed to the frame. Screw fixing at 600mm or 24 inch centres using screws that are a minimum of 50mm or 2 inches long. Cover the entire frame, where contact with the fibrous cement board is made, with a good quality mastic type adhesive. To ensure safety, strength and permanent fixing, this work should only be done by a qualified and licensed builder.
By applying the adhesive to the back of each panel and to the wall, this ensures the maximum possible adhesion to your wall surface, as all the gaps, voids and cracks are filled. It is critical to ensure that a strong bond is formed with the wall. The recommended type of adhesive should be a high quality neutralised tile adhesive, which is generally available from the same retailer where our rock panels are purchased. It is critical to use only the specific adhesive recommended for wet areas, for water features or in or near swimming pools.
Mix the appropriate tile adhesive to a creamy consistency for a minimum of 5 minutes or as per manufacturer's instructions. When fixing rock panels it is necessary to start the bottom row on a level line to maintain a consistent level as you work up the wall. It is also important that they rest on a secure base such as a concrete floor or footing to help carry the weight.The rock panels should be overlaid or offset so that a "brick pattern" starts to form, this looks best and helps eliminate vertical joint lines up the wall. The panels should not be "stacked" one on top of the other in a single line up the wall .
.Press each rock panel into the adhesive, rotating slightly, forcing some of the adhesive to squeeze out freely. Any adhesive forced out beyond the finished joint or on the panel surface itself must be removed before the adhesive is allowed to set. Remember tight joints will provide a neat appearance.
Be sure not to allow any adhesive to harden on the face of the rock panels as this will help in the cleanup process.
Norstone has recently released new interlocking finger joint stacked stone rock panel corners that are very easy to install. They are hand made as a pair and though simple in their application, they are so effective at forming a perfect 90 degree corner. These new rock panel corners eliminate the laborious proceedure of cutting and forming mitred corners and create a superb looking natural stacked stone veneer corner.
WARNING: Do not use acid wash because it has been known to have an adverse effect on the stone and can possibly cause staining.
-Fix the rock panels as tight as possible to each other, avoiding unsightly gaps
-Always seal the stacked stone veneer when finished and never use acid wash to clean the stone.
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