Attaching Island Cabinets to Concrete Floors
From contributor B:
We do similar to contributor A. Beware of radiant floor heat.
From contributor C:
This is off the subject, but do you who do these installs ever experience moisture problems stemming from the concrete? If so, what do you do? If not, do you do something special to prevent it? I am just curious. I could see there an extreme amount of moisture under the cabinets in the toe kick area. Maybe moisture isn't a concern at all.
From contributor D:
Moisture is definitely a problem on concrete installs. I always build my toeboards separate from the cabinets. There are two reasons for this. One, the installer can set and level the ladder framed toeboards first. Second, I use a moisture resistance material such as marine grade plywood. I will also add that I mainly do this because we deal with commercial restaurant franchises and I have seen the way they mop the floor, but concrete does have condensation.
From contributor E:
All base materials and blocking should be marine grade on concrete and you will have no problems with moisture.
From contributor F:
We just screw down a piece of green 2 x 4 to the concrete, and then fasten the kick to that. The treated 2 x 4 will never rot, even if water makes it way through the slab. Itís probably overkill, but itís easy and cheap, and the island feels very stable.
From contributor G:
Itís the buildersí problem - they provided the concrete floors. Damage caused by the builder-provided concrete floors is no different than the plumber provided water supply pipes.
From contributor H:
When you shoot the nailer down to the concrete, glue it down also with Bostic Best urethane adhesive. It will become water barrier, and overcome any failed nails.
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