gypgrete

pat_3

when using gypcrete instead of a traditional mud job,is a vapor barrier and or wire mesh neccessary on the subfloor?

Weezbo

Hmmm....

I think a vapor barrier is a good idea,heres why..having one keeps the water from going directly into the subfloor,under the Hopefully water proof plates. the mesh well,it has a value also however i have never laid any in a gypcrete thin slab pour. i think a fiberglass mesh might act as a strengthener in flexure,.... havent used it. though, i have heard of it in my travels. i have been looking for a product in America the europeans have that is similar to the Becotek.check out that word on Google search...its spendy. though i honestly see its value.

Unknown

typically you staple tubing to the floor (assuming you are putting in radiant), and it doesn't require wire mesh.

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Troy_3

Gypsum concrete

Does not require a vapor barrier or wire mesh. A primer is sprayed over the tubes and subfloor before the gypsum concrete is applied. A mechanically bonded mesh is only required if you are going over terrazzo or some substrate that will not allow a bond.