Products handle moisture-related issues

Mapei has added two liquid solutions to its moisture-control products for floor-covering installations – Planiseal MSP, a moisture-control membrane, adhesive isolator, sealer, pH blocker and primer; and Planiseal PMB, a one-component, polyurethane moisture barrier and bonding agent.

Planiseal MSP is a two-coat, high-solids, polymer-based adhesive isolator, sealer, moisture-control membrane and self-leveling primer. It protects flooring installations against subfloor moisture and pH in concrete slabs with moisture vapor emission rates up to 6.80 kg per ASTM F1896, relative humidity (RH) up to 99 percent per ASTM F2170 and alkalinity protection up to pH of 12.

Planiseal PMB is a one-component, moisture-curing, polyurethane compound for wood-flooring applications. Used in a two-coat method with dry sand broadcast to rejection, the solution is said to create a moisture barrier so that the surface is ready for a self-leveler application in as little as 6 hours when compared to longer times for epoxy moisture-control products.

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