What can I put on my basement floor for moisture?

How to Fix the Basement Concrete Floor Moisture Problem

  • Repair Settlement Cracks on the Floor. …
  • Use Dryer Ventilation. …
  • Run Dehumidifier Regularly to Reduce Moisture. …
  • Reduce Condensation. …
  • Fix the Problem of Ineffective Grading. …
  • Add Gutters Where They’re Missing. …
  • Add a Sub-surface Drainage System.

What is the best subfloor for a basement?

Rigid foam is an excellent basement subfloor option because it provides a thermal break between concrete and flooring.

  • Finish flooring.
  • Plywood screwed down through the layer below.
  • Rigid foam insulation—1 1/2-inch thick.
  • Concrete basement floor.

How do I stop moisture coming up in my concrete floor?

Methods Used to Stop Moisture in Concrete Floors

  1. Low-permeance Vapor Barrier or Retarder. A Low-permeance vapor Barrier or retarder can effectively keep below-slab moisture from reaching the flooring system. …
  2. Allow Natural Drying of Concrete Slab. Ad. …
  3. Keep Excavation Free of Water.

Should I install basement subfloor?

The subfloor creates a gap between the concrete surface below and the floor finish above. This gap helps to manage moisture and assist in insulating the space. A basement subfloor is only necessary if you wish to turn your basement into a livable space with proper floor finishes.

Can you Drylock a basement floor?

ByBrittney. In addition to garage floors, basement floors, brick patios, poured concrete and block patios, and wood steps, DryLok can also be used on concrete floors. These surfaces can be beautified and prolong their life with this product.

Does basement floor need vapor barrier?

All for lack of an affordable, easy-to-install basement floor vapor barrier. Climate plays a part: In dry climates, contractors often skip the vapor barrier. But in average to humid climates, and anywhere ground water is abundant, an impermeable vapor barrier is essential.

Do I need a subfloor over concrete?

A subfloor will help insulate against a concrete floor that becomes overly cold in winter. The concrete slab must be clean, sound, and level, with any serious cracking repaired, before you install your subfloor. — Always check your local building code before choosing a particular subflooring material or design.

How do I make my basement floor warmer?

How Keep my Basement Warm

  1. Address any water issues. …
  2. Install TWO sump pumps to avoid a cold basement floor. …
  3. Choose inorganic materials. …
  4. Capitalize on radiant heat. …
  5. Use decorative concrete to your advantage. …
  6. Put up radiant panel heaters.

Can I put a subfloor over concrete?

You need a dry, clean and flat surface before you can install finished flooring in a room built on a concrete slab. One of the simplest options is a sleeper-based subfloor. The result is a subfloor that protects finished flooring from cold and damp concrete-based floors.

Will a subfloor dry?

Things like having multiple fans and dehumidifiers can speed up the process, but generally, you’re looking at anywhere from 24 to 96 hours for your subfloor to dry out completely. You won’t want to rush this process, because the goal is to remove all of the moisture so that it can’t cause any further damage.

What is underneath a subfloor?


The underlayment material is installed below the floor covering and placed on top of a subfloor. Under the visible covering, there is a layer made of soft or foam-like materials with a thickness of between 1/4 – 1/2-inch.

Do I need underlayment for basement floor?

If you’re laying the LVP over an existing cushion-backed vinyl floor or a below-grade tile floor, then you won’t need to use an underlayment. However, you’ll want to use one in every other application including covering existing hardwood floors, vinyl flooring that isn’t cushioned, and concrete floors.

Do you need a vapor barrier under concrete?

Exterior concrete slabs or those in unheated structures don’t require a vapor retarding barrier. However, if the surface will be sealed with an impermeable membrane or product, there should be a vapor barrier under the pad.

Do I need a vapor barrier between concrete and wood flooring?

A common question that DIYers ask is, “I’m installing a new floor on-grade, a cement slab. Do I need a vapor barrier for hardwood floors?” The answer is YES! Moisture can destroy hardwood flooring. It causes cupping, warping, and even mildew if not treated.

Do you need a moisture barrier under vinyl plank flooring?

For vinyl flooring installations over wood subfloors, you will not need to worry about a moisture barrier, but you may want an underlayment for added cushion or sound reduction. It may also be a requirement in certain HOA or apartment complexes to have a sound barrier with your flooring.

Can mold grow under vinyl flooring on concrete?

Yes, mold can grow under vinyl flooring on concrete. This is one of the most common issues faced by people buying a house without knowing how to properly assess the condition of the floor and subfloor.

Is vinyl plank flooring good for basements?

The best type of flooring for basements is vinyl. Vinyl flooring can come in the form of vinyl plank and vinyl tile, giving it the ability to look nearly identical to hardwood and stone products with the added benefit of being waterproof. Vinyl flooring is made of PVC making it durable and waterproof.

Can you put vinyl plank in basement?

You can install vinyl planks on top of most existing floors, including cement basement slabs, and the planks are completely waterproof. If you have a damp basement it is recommended to lay a vapor barrier between the concrete slab and the planks.

What is better for basement vinyl or laminate?

When Is Vinyl the Better Choice? Vinyl makes up in durability for what it lacks in authentic appearance. Because of its superior moisture resistance, vinyl plank flooring can be installed where laminates can’t, including basements, bathrooms, laundry rooms and mudrooms.

What thickness vinyl flooring is best for basement?

Expect most wear layers of vinyl plank floors to range from 6 to 32 mil. Remember, the vinyl planks with thicker wear layers tend to have fewer or zero dents and scratches.