Quote:
Originally posted by PBH
Use the orange backing material they sell in rolls at home depot.
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For what?
Do you mean the "Dal-Seal" crack isolation/waterproofing membrane?
If he screws down the subfloor, embeds the backer in thinset and uses enough thinset for tile setting, the floor will outlast every other surface in the home. Lifetime install.
If ( when ) future water leaks in the kitchen or bathroom occur and go undetected, they will damage
something. From my experience, you cannot stop the effects of water unless you you catch it as soon as it happens.
No reason to waterproof the whole installation, "just in case".
Keep a reasonable amount of tile in storage for repairs.
The most likely place for a leak to occur is under the toilet or behind a wall in a valve assembly ( shower/tub/sink ).
Those are places where there is no tile anyway. The water will seep under the wall or out from under the cabinets.
I've seen it all...
KT