What is an Air Gap Subfloor?
An "Air Gap Subfloor" is a T&G Plywood or OSB sheeting that is installed over a
plastic membrane (Platon) that raises the wood off the floor. All of the seams in
the plastic are sealed to prevent moisture from damaging the wood and allowing
air to flow beneath it, thus creating the "Air Gap".
In the past, many builders would simply lay a sheet of plastic over the floor and
then place the wood on top of this. As it turns out, this is a very bad approach to
use, due to the fact that moisture gets trapped under the plastic and can cause
mold and rotten wood.
Why do I want a Professional Subfloor?
Today, you can install your own "do it yourself" subfloor that is sold by many large
retailers or you can get a professionally installed sealed subfloor. The benefits of
a professional subfloor are:
- Larger sheets of wood. We install 32 square feet at a time, versus 4 square
feet for the "do it yourself" product.
- All joints are sealed to prevent moisture penetration versus no sealing for
the "do it yourself" product.
- All subflooring is screwed to the concrete with rust proof TapCon screws to
make a solid surface versus a floating floor that can sound hollow.
- A professional product versus a "Handyman" product.
Why would I want an Air Gap Subfloor in my basement?
There are many benefits to having an Air Gap Subfloor:
- The Basement will be warmer
- Many more choices of flooring
- Increased comfort
- No more moldy smelling basements
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