Often asked: How To Put Plywood On Concrete Floor?

Can I put plywood over concrete floor?

If you’re installing plywood over an existing dry concrete floor, you shouldn’t have any problem. However, a new concrete floor contains a lot of moisture. The moisture level of the concrete should be down to 5.5% before attaching the plywood subflooring.

Can you put wood flooring directly on concrete?

Solid parquet hardwood flooring can be glued directly to a concrete slab on grade or above grade with the use of a manufacturer recommended vapor retarder. Solid parquet should not be installed below grade. Successful installation also requires conducting a concrete slab moisture test before parquet installation.

Can you glue subfloor to concrete?

When direct gluing a wood subfloor over concrete, follow the adhesive manufacturer’s recommendation for moisture requirements and limitations, type of adhesive, application method, trowel notch type, and spread rates. When the adhesive requires, add a moisture control system before applying the adhesive.

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What flooring can I put over concrete?

You have many choices of flooring that can be placed over concrete in any interior or exterior condition.

  • Engineered Wood. Engineered wood is real wood.
  • Cork Flooring. Install cork flooring over concrete as long as the floor is level and clean.
  • Laminate Flooring.
  • Tiles.
  • Decorative Concrete.

Can you put a floating floor over concrete?

Laminate flooring can be installed over concrete, wood or carpet subfloor or other surfaces. Installation of good quality underlayment is highly recommended. Installing underlayment is easy but it has to be done precise to avoid any tears.

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

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.

Do you need underlay for solid wood flooring on concrete?

It is important to mention that you do not need a wood floor underlay when you have a solid hardwood floor and that’s because it is not stable, hence it has to be installed mechanically to the concrete subfloor.

Can you glue down solid hardwood flooring to concrete?

When gluing a solid or engineered wood floor down to concrete, you should use a flexible flooring adhesive. This allows your flooring to expand and contract naturally without causing any damage to the planks.

How do you secure a subfloor to concrete?

To nail down the subfloor, always use a mechanical system such as a powder load or pneumatic pressure nail gun. Beginning at the center to prevent bowing, fasten the subfloor using a 12” x 12” grid on the interior and every 6-8” along the perimeter (2” from the panel edge).

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What underlayment should I use on concrete?

With a concrete subfloor, you will need an underlayment that acts as a vapor barrier in order to prevent moisture from penetrating through to your laminate installation. The normal choice is a thin foam pad material made of polyethylene or polypropylene, which rolls out in sheets.

How do you insulate a raised floor over concrete?

There are two ways to handle insulating concrete floors. You can attach wood sleepers to the floor, fill the gaps with rigid-foam insulation, and then apply a subfloor and finish flooring.

How do you secure plywood subfloor to concrete?

Plywood-on-slab. Place a 6-mil polyethylene vapor retarder directly over the concrete. Lay 3/4-inch plywood sheets opposite to the direction of the finish flooring, leaving a 1/4-inch gap between panels to eliminate squeaking. Fasten the plywood to the concrete using powder-actuated fasteners or concrete nails.

How do you attach wood to concrete without drilling?

Attaching wood with epoxy A common way to secure wooden items to concrete without drill is by using epoxy glue systems. This glue is specifically manufactured for these problems. Before opting for this method, you need to thoroughly clean off and dry the wood for them to bond correctly.

Can I glue OSB to concrete?

When using this method, it is important to allow sufficient time for curing before the flooring is installed. The flooring system can be glued directly to the concrete slab, providing that adequate pressure is applied during curing.

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