I don t think it is a good idea to install raw plywood directly over a slab if avoidable.
False floor over slab.
I am planning to build an office in one side of a double garage on a concrete slab.
It is too hard to attach securely and does not allow you to install insulation or a vapor barrier underneath.
However a wooden subfloor helps insulate the flooring from the cold concrete.
Moisture that comes up through the slab will ultimately find its way into your finished floor.
The objects through these underfloor spaces are electrical conductors data cables piping and even air conditioning installations.
The space in between the ground real floor and the raised floor is the plenum an area in which you could install electrical wiring fiber optic cables and ufad based hvac systems.
I plan to put down builders plastic sheet then lay joists directly on the slab fill the gaps with fibreglass insulation then lay yellowtongue flooring over it.
The access floor solution consists of the panels fixed directly on pedestals thus creating voids between the substrate concrete slab and the floor.
I am in a very cold area and i plan to insulate the office very well.
Different and unique floor construction design ideas from paradise estate construction co.
A wooden subfloor will not cure moisture problems.
Basements without furnaces or water heaters can.
It also adds a little cushion to the hard surface of the concrete.
Fortunately a variety of flooring materials are water resistant enough to function well over a concrete slab.
When a concrete slab absorbs moisture it can retain it for a surprisingly long time.
False floors also known as floating floors are not permanently attached to the floor or walls.
Plastic for vapor barrier between plywood and slab.
Through raised access flooring you can free up floor.
Installing the wrong kind of flooring over consistently damp concrete may encourage warping and wear over time.
So happy its been of use to soooo many folks out there.
How to install a false floor over a basement slab.
Lm from hot springs ar.
Cure the moisture problem before you install the floor.
False floor over slab.
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