tile over heat vent


Old 02-11-10, 05:08 PM
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tile over heat vent

Will there be any damage to my new ceramic floor when the backer board, grout, and tile were laid over an open heater vent? When I walk over that specific part, I can feel heat.
Should we go under the house, in the crawl space, to re-direct the vents, or remove that area of tile, grout, and backer board to have the original hole for the heater vent. Mind you, the vent is in the middle of the kitchen. There used to be a breakfast bar before, so it didn't look weird. Now it might if a heater vent was in the middle of the kitchen.
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Old 02-11-10, 06:45 PM
Join Date: May 2007
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Hi Reanna,

I don't know if the heat will hurt anything, but the lack of support probably will.

You should have disconnected & plugged the plenum run and installed a piece of plywood in the hole and then installed blocking to support it. Backer board is not structural and so adds no strength.


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