While a subfloor is not necessary to add structural strength when you‘ll be laying finish flooring on top of a concrete slab (as in a basement remodel), subflooring over concrete offers two other advantages: Dampness control. Install a vapor barrier of plastic sheeting before laying the subfloor.

Also asked, can you put a subfloor on concrete?

How-to install a wood 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.

Likewise, can I put plywood over concrete floor? Wood floor over concrete details Lay a plastic moisture barrier and then screw 3/4-in. plywood to the concrete. Nail the 3/4-in. Lay 6-mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring.

Subsequently, one may also ask, what is the best flooring to put over concrete?

Since flooring experts generally recommend against installing traditional strip or plank hardwoods below grade, the six best options for basement flooring over concrete are:

  • Wood.
  • Laminate.
  • Carpet.
  • Vinyl Tile.
  • Ceramic Tile.
  • Rubber Tile.

How do you secure a subfloor to concrete?

Installation: (1) For the ¼” Tapcon drill a hole, use a hammer drill through the wood subfloor using a 3/16” carbide tipped ANSI standard bit. The depth of the hole should be at least 1/2” deeper than the Tapcon will penetrate the concrete.

Related Question Answers

How thick should a subfloor be?

the subfloors need to be thicker. For joist spacing of more than 16 inches up to 19.2 inches on center, the minimum thickness for both plywood and OSB is 3/4 inch. For joists spaced more than 19.2 inches on center, the minimum thickness for plywood is 7/8 inch and for OSB, 1 inch.

What kind of plywood do you use for subfloor over concrete?

Wood structural panels suitable for use as subflooring material should be plywood or oriented strand board (OSB) with a bond classification of Exposure 1 or Exterior.

What is the best flooring for a basement cement floor?

Flooring Choices for basements:
  • Engineered Vinyl Planks or Tiles.
  • Tile plank floors, ceramic or porcelain tiles.
  • Rubber flooring/rubber interlocking gym tiles.
  • Carpet.
  • Carpet tiles.
  • Stained concrete or acid etched floors.

How do you install vinyl flooring over concrete?

  1. Remove the baseboards.
  2. Prep your subfloor so that it is clean, dry and level within 3/16-inch change per 10 feet. Use a self-leveler on low spots and / or sand high spots of wood or concrete. Do not sand vinyl flooring – it may contain asbestos.

How do you install laminate flooring over concrete?

Install a plastic vapor barrier: If your concrete passes the moisture test, then plastic sheeting at least 6 mils thick will prevent moisture from getting into your laminate flooring.

How do you install a floating floor on concrete?

When you're done, thoroughly vacuum all sawdust and remove all debris.
  1. Install the Underlayment. Starting in one corner, unroll a layer of the underlayment in the same direction as the new floor.
  2. Tape the Underlayment Seams.
  3. Install Floor Planks.
  4. Install Rows of Wood.
  5. Install Baseboard and Shoe Molding.

Can I put linoleum over concrete floor?

Concrete: Sheet vinyl can be installed over concrete if the surface of the concrete is clean, smooth and dry. Repair any holes or cracks. Linoleum or vinyl flooring: Sheet vinyl can be laid over old linoleum or vinyl flooring if the existing floor is in good condition.

How do you cover a concrete floor?

  1. Four Ways to Cover Concrete Floors:
  2. Textured Concrete Floor Coverings.
  3. Thin Section / Microtoppings.
  4. Spray Applied or Stenciled Concrete.
  5. Self-Leveling.

What is the best waterproof flooring for a basement?

Two of the best options for waterproof flooring for basements are epoxy paint and sealed concrete. Not only are both affordable, but they are durable and allow for adequate waterproofing. Epoxy paint dries thick and hard, providing the necessary durability that goes hand-in-hand with maintaining a basement floor.

Can vinyl planks be installed over concrete?

It can be constructed from wood, plywood, plastic or concrete. So technically, if you are installing vinyl plank flooring onto concrete you already have a subfloor. However, some people prefer to add another thin layer of subflooring between the concrete and vinyl.

Is vinyl plank flooring good for basements?

Vinyl plank flooring is more durable than either cork or bamboo, making it a great choice if your basement floor gets a lot of foot traffic. Some luxury vinyl planks have an extra thick top layer that's even more durable and resistant to scuffs and minor scrapes.

Is subfloor necessary for basement?

Subfloors are not always necessary. They only come into play when you want to expand downward and make your basement a warm, livable space. Concrete or tile-over-concrete are acceptable floors for uninhabited basements.

What is the cheapest way to finish a basement floor?

Cheap Basement Flooring Ideas
  1. Epoxy and Concrete Paint. Paint is generally your cheapest basement floor option.
  2. Concrete Stain and Sealer. Concrete stain is another inexpensive option.
  3. Linoleum or Vinyl.
  4. Ceramic Tile Flooring.
  5. Rubber and Foam Mats.
  6. Traditional Carpet Flooring.
  7. Laminate or Engineered Hardwood.

Do I need a subfloor for laminate in basement?

Preparation: You should only install laminate on a concrete basement subfloor which was poured 60 days or more prior to the work. Newer concrete will still be losing moisture that can affect your flooring installation.

What is a subfloor in a basement?

Subflooring is the material that lies beneath your basement floor, providing stability and durability.

What is a subfloor in a bathroom?

Installed directly over the joists, the primary function of a subfloor is to create a flat solid surface for the finished flooring to rest on. Generally, this only refers to a layer of plywood but in the case of bathrooms, it includes an underlayment of concrete backerboard as well.

Can you lay carpet directly on concrete?

You can, but the carpet won't be very comfortable. Do I need to put glue or tape down on the concrete before laying the padding? No. Padding will stay in place when the carpet is stretched over it.

Is in floor heating worth it?

In short, if you already have plans to replace the flooring in a room, then installing in-floor heating is definitely worth it. These radiant heating systems must be installed under the flooring, which means the best time to install heated floors is when you're updating the flooring anyway.

Should I put a vapor barrier on my basement floor?

Vapor barriers for basement floors

Option B is sufficient if your floor is generally dry except for small amounts of moisture evaporating through the slab. For a dry, mold-free finished basement floor, always install a vapor barrier before laying a wood subfloor or carpet pad.