Installing a hardwood floor directly over a crawlspace exposes the wood to moisture from the ground and from the air in the crawlspace. Even if you install a moisture barrier, this moisture can seep upward and warp the boards.

What flooring is best over a crawl space?

Flooring Options for Over a Crawl Space

  • Wood. Wood floors and engineered wood flooring do not perform well in the presence of moisture. …
  • Tile. Most types of tile can be used above crawl spaces, unless there are significant moisture problems in the crawl space. …
  • Carpet. …
  • Laminate.


Is a moisture barrier necessary for wood floors?

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. You must install a moisture barrier to protect your flooring from water wicking up from below.

How do you tell if there is moisture under hardwood floors?

5 Obvious Signs of Moisture Under Hardwood Floors

  1. Cracks and Gaps Between Boards.
  2. Crowning of the Boards.
  3. Cupping of the Boards.
  4. Hardwood Flooring is Buckling.
  5. Hardwood Floor is Squeaking.


Is underlayment necessary for solid hardwood floors?

While underlayment isn’t always necessary for your hardwood floors, there are always benefits to it. One of the most significant reasons to install underlayment is the added stability and durability. Underlayment provides support for your floor and helps smooth subfloor imperfections.

What goes between subfloor and hardwood?

Underlayment is the layer of material that sits between the subfloor and the new hardwood flooring. Subflooring is a layer of plywood or engineered wood that sits at the very bottom layer of the flooring.

How do you seal a moisture barrier in a crawl space?

Quote from the video:
Quote from Youtube video: Cut stay go crawl wrap to snuggly fit around each penetration. Then use stay go crawl seam tape to seal. The per barrier to the penetration.

What should the moisture content be in hardwood flooring?

The acceptable range of moisture content in wood flooring is within 2% to 4% of your subfloor’s moisture level. Here’s what you should do based on your results: If your subfloor is under 12% moisture and the floorboards are within range of the subfloor moisture reading, you can install the floor without acclimating.

Do hardwood floors need to breathe?

Hardwood floors naturally expand and contract as the relative humidity fluctuates from one season to another. That is why installers must leave space between each wood plank and the wall; this allows the wood to “breathe”.

What is a good thickness for hardwood floors?

between 5/16 and ¾ inches

Typically, solid hardwood flooring is between 5/16 and ¾ inches thick. Those are pretty standard thicknesses that serve most needs.

Is plywood necessary under hardwood?

The subfloor will need to be dry, level, and structurally sound. Most experts recommend installing hardwood flooring on a plywood subfloor, ranging from 1/2 to 3/4- inch in thickness and rated A/C. In addition, you can use particle board, OSB, and concrete for subflooring with hardwood as well.

What underlay is best for solid wood flooring?

A slotted underlay can be used with solid wood flooring or engineered wood flooring. Glue is applied into the slots of the underlay using a barrel gun which helps make the application quick and mess free. The wood flooring is then fixed on top and held to the subfloor by adhesive through the slots.

How do you prepare a subfloor for hardwood floors?

Quote from the video:
Quote from Youtube video: Well the best approach is to use a stain remover. Then cover it with a primer sealer. But keep in mind some glue down adhesives won't adhere to the sealer subjec.

Can you put hardwood flooring over subfloor?

Subfloors, such as vinyl, carpet, concrete, or ceramics cannot support a solid hardwood installation and should be removed before you install. An engineered hardwood can be installed over a concrete, wood, tile and full adhered vinyl subfloors when installed as a floating or glue-down floor.

What do I need to know before installing hardwood floors?

Quote from the video:
Quote from Youtube video: On top of there with good cleaners proper applications of the cleaners not a lot of water. Not a lot of mud. Sitting on there or waters to damage the wood because they could cause it to curl.

When should hardwood floors be installed?

For many reasons, fall is the best season to install hardwood floors. Autumn is the ideal time for new beginnings. With the winter holidays around the corner, fall is also the ideal time to tackle a renovation project or two before you welcome family and friends to your home during the holiday season.

How much does it cost to install 1000 square feet of hardwood floors?

between $6,000 and $12,000

Installing hardwood flooring averages between $6 and $12 per square foot. On average, wood flooring costs between $3 and $7 per square foot for materials and $3 to $5 per square foot for labor. An estimate for installation of 1000 square feet of hardwood flooring runs between $6,000 and $12,000.

Are hardwood floors worth it?

As CNN reported, hardwood floors can also increase home value by 3-5%. This makes them a very attractive prospect for anyone looking to sell their house in the near future. However, even if you don’t plan on moving any time soon, hardwood floors may still be a good investment.