1/17/2024 0 Comments Mas epoxy vertical surfacesIf you are using a texture skin, you may only need 3/8 to 1/2 inch of material. The overlay thickness will depend on the stamp profile depth or carving techniques used.It's better to start out with a little less water than called for and then add small amounts until the desired consistency is achieved. If too watery, it will sag or run down the surface. If the mixture is too dry, it will be weak and could crumble away. When mixing wall overlay materials, it's important to get the proper ratio of liquid and dry components.Before embarking on any vertical overlay project, it's a good idea to perform a mock-up using the same materials, tools and techniques to be applied on the job. For installers just starting out with vertical resurfacing, here are some tips gleaned from wall overlay manufacturers and experienced pros for achieving the best performance and appearance. In addition to good surface preparation, many other factors can impact the success of overlay application. FossilCrete, for example, sells double-ended carving tools for carving out smaller grout lines or other detail work and a large carving tool for creating wider grout lines, such as you might find with random, stacked stone.īutterfield Cantera Wall Mix Just Add Water TIPS FOR GETTING THE BEST RESULTS Some vertical overlay suppliers also sell special tools to achieve unique effects. Contractors can also use carving tools similar to those used for sculpting clay. "It probably takes about 30% more time than traditional vertical stamping," says Giffin.įor his carved creations, Giffin uses a variety of tools including point trowels and pool trowels. While carving is an excellent method for detail work, it can be considerably more time consuming than using stamps or skins. Carving can also be used after stamping to correct any imperfections or to add custom detailing. When contractors want to produce stone, brick or other wall patterns with deeper reveals and grout lines than possible with stamps alone, they often rely on hand tooling, or carving. You'll find textures like bamboo, brick, country cobblestone, cut coral, log cabin, grape vines, weathered wood, sea life, wildlife tracks, split-face granite, and The Great Wall of China, a stamp set molded directly from the actual centuries-old wall. In addition to the more commonplace brick and stone patterns, vertical stamps and skins with unique designs and textures are available. They can be used alone or to pretexture the wall surface before stamping or carving. They are used to impart texture (such as the roughness of a natural rock face) to the wall surface rather than the deeper, well-defined patterns made by stamps. Texturing skins are simply much thinner versions of stamps. For substrates that are damaged, badly cracked or subject to movement, the wall can be reinforced with expanded-metal lath. On walls with seams or joints, such as drywall or wood paneling, manufacturers often recommend applying fiberglass-mesh tape over joints and seams to prevent reflective cracking in the overlay and a layer of wire or polypropylene mesh to provide additional reinforcement. After primer application, some manufacturers also recommend applying a thin scratch coat of the vertical mix to improve bonding of subsequent coats. Priming will keep the wall from absorbing moisture from the freshly applied overlay. For exterior wall surfaces such as concrete and masonry, pressure washing and light sandblasting are effective cleaning methods.Īfter prepping the surface, the next step is to apply a liquid primer or bond coat, using a product compatible with the overlay mix. On painted or extremely smooth walls, it may also be necessary to lightly sand the surface to provide more grip for the overlay. PREPPING WALLS FOR VERTICAL OVERLAYSįirst, you'll need to clean the wall surface to remove any dirt or contaminants that could inhibit the bond. It's critical to follow the manufacturer's recommendations for the product you are using. The first and most important step when applying vertical overlays is good surface preparation to ensure that the mix bonds to the wall.
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