If you’re working with pourable concrete, you’re going to need tough materials. Aeromarine’s durable polyurethane molds for concrete are made of solid polyurethane rubber, and are perfect for molding concrete into whatever shape you may need it. Whether you’re doing a DIY backyard redesign, or you’re a contractor who needs it for industrial purposes, these rubber molds will handle the job.
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Concrete molds can be used for creating interesting or technical shapes out of pourable concrete. The polyurethane concrete molds are best suited for portions of concrete, and should definitely be included among your stamped concrete supplies.
Note that if you need finer detail, consider our Mold Making Latex or our AM 128 Brushable RTV Silicone.
Polyurethane molds for concrete can be used for pourable concrete as well as hard rubber stamp molds. When mixing this product, use only clean plastic containers and stir sticks — paper, cardboard, wax and/or wood will contaminate your mold.
Pro Tip: Use AeroMarine Products’ concrete molding and stamping urethane rubber between 65° and 75°F in a humidity-controlled environment.
We’re proud to offer industrial-grade materials that provide durability and strength. Like our RTV mold-making kits and silicone potting compounds, this urethane rubber can provide the tear resistance your project requires.
You can use the mold release spray that we sell with the concrete molding and stamping rubber. Please clean your molds thoroughly and dry them completely before your next use.
Our concrete molding rubber comes in two bottles: Part A and Part B. Mix the two parts at a 1:1 ratio in a clean plastic container.
Once you’ve opened and poured the polyurethane, be sure that you close the lid tightly to avoid moisture contamination or the polyurethane drying out.
We offer FREE technical advice!
Call us at 1-877-342-8860 If you need help choosing the right latex or silicone for your application or determining the right amount of to get, we offer free technical advice for all products! Browse AeroMarine Products’ collection of offerings, including 2 part marine epoxy, food-grade RTV mold-making silicone, and silicone potting compounds.