Sealing basement concrete floor to reduce moisture migration

7 år sedan

Has anybody sealed their basement floor to prevent moisture from coming up? And if so, what product did you use?

I am building a new house in Syracuse NY with 2 bedrooms in the basement. I am confidant that we will not have bulk water entering the basement but I would also like to prevent moisture from coming up through the floor. I do not want to have to run a dehumidifier.

To solve a different problems I recently put 3 coats of shellac on a concrete floor and I am thinking that that would work. Thoughts?

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Kommentarer (2)

PRO
Attics to Basements Building & Renovations, Inc.
7 år sedan
A new house should have 6mil poly under the floor and sealed at the foundation. Otherwise use a concrete sealer.
worthy
7 år sedan
Ändrades senast: 7 år sedan
In addition, you can use EPS or XPS insulation under the poly; besides reducing the vapour drive, it insulates. Certainly of value in your cold climate.

Concrete sealers protect the surface of the floor, but with the exception of crystalline waterproofing, do not impede the moisture drive from below. I used crystalline once on a foundation before platon waterproofing was available in North America.

Sealing basement concrete floor to reduce moisture migration

Kommentarer (2)

Attics to Basements Building & Renovations, Inc.

worthy

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