Can Mapeguard 2 be used as a waterproofer, as well as for sound control and for uncoupling?
Yes, with these limitations:
For sound reduction, crack isolation, waterproofing and vapor management. If using Mapeguard 2 for vapor management, do not use MAPEI SM Primer or MAPEI SM Primer Fast, instead use MAPEI HM Primer. BB Tape
Do not use on shower floors or in submerged applications or floors subject to standing water
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