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Is it a good idea to pour gypcrete over a subfloor to cover the pex tubes for radiant heat?
Wiki User
∙ 14y ago
I'm not sure if it is but I plan to do exactly the same thing in a couple of weeks. I used the 'gold' version of waterproof, OSB-type tongue and groove boards - 4x8. The boards are glued and screwed onto steel floor trusses that are designed to handle the weight of the gypcrete.
If you've learned more since you posted the question - please share.
Regards,
VB
thumki@Yahoo.com
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Yes, you can do that. It is normally done in two stages - 1st just enough to cover the tubing and next pour (+1/2" at least) to level the flooring surface.
FIY, thermal mass is always preferred vs. lightweight concrete.
Wiki User
∙ 14y ago
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