Greenboard/vapor barrier/etc questions

My guess is that that stuff has in the fine print not suitable for wet areas. If they recommended it, they should fess up to their ignorance and pay up. Probably not worth it, but a complaint to the better business bureau might enlighten them a bit and save the next guy. Just verify first! No pro worth his license would use mastic in a shower, nor does the TCA approve it.

jadnashua said:

My guess is that that stuff has in the fine print not suitable for wet areas. If they recommended it, they should fess up to their ignorance and pay up. Probably not worth it, but a complaint to the better business bureau might enlighten them a bit and save the next guy. Just verify first! No pro worth his license would use mastic in a shower, nor does the TCA approve it.

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What's the TCA?

Tile Council of America. Most places rely on them for the basis of how to do things related to tile. They perform testing to validate install techniques and make recommendations of methods that work. In some juristictions, tile jobs must be done to their standards, especially showers. Tile jobs, in some places, when done by a professional, must be done per code, and this council generally is the one that applies.

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