For better aesthetics, the sand gradation of the mix is also important. Farnsworth also prefers mixes where you just add water, mix well, and the product is ready to go. I don't want to worry about shrinkage cracks when stamping, or rapid setting that limits a custom hand carved piece,” he says. “I want to be able to have plenty of time to work with the material. As someone who has developed and installed vertical stamp mixes, he is looking for specific criteria when working with these types of mixes. I want a mix that is flexible - something that can be carved, stamped and colored with ease,”says Brain Farnsworth, director of technical services for Bomanite Group International. “The most critical feature when selecting a vertical stamp mix is the workability. These materials are highly engineered overlays that are able to be applied in thicknesses ranging from ¼ inch to 5 inches or more and stay pliable for hours to permit stamping and carving. The backbone of any vertical stamp project is the base vertical stamp mix. Features to look for in a vertical concrete mix But many manufacturers also sell colorants that can be mixed in with their products to achieve nearly any hue desired. Usually the mixes come in two colors: gray or white. Most products are also water resistant and unaffected by freeze-thaw conditions, permitting outdoor use in most climates. Bag of vertical concrete mix from Flex-C-Ment.īecause of their high polymer content, vertical mixes require no curing.
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