Polyurethane Cement
Polyurethane cements thrive in wet environments and areas with thermal shock. Typically applied 1/4" to 3/8" thick, they are unaffected by moisture under the slab and water above it. Because it uses cement as one of its components, it expands and contracts at the same rate of concrete, so it doesn’t delaminate from thermal shock. Polyurethane cement can handle very cold temperatures up to 240 degrees F including live steam. It has excellent chemical resistance and can incorporate various levels of skid resistance or be applied smooth. Another benefit is that all polyurethane cements are unaffected by moisture vapor transmission, in fact they can be placed over seven day old concrete. As a result, the slurry grade is often incorporated into other coating systems as a base to alleviate moisture concerns.
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