QA

Quick Answer: How To Install Subfloor On Concrete

Can I put a subfloor over concrete?

How to Install a Glued Subfloor Over Concrete. As with a floated subfloor, NWFA recommends a vapor retarder for glue-down subfloors when installing ¾” wood flooring over concrete. After installing a vapor retarder (if necessary), cut your plywood panels into 2’x8′ or 4’x4′ sections.

How do you lay plywood on a concrete floor?

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.

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

When installing subflooring over concrete, for installation of wood flooring, it is necessary to use thicker subflooring, so that it can be nailed into. A minimum of 5/8” thick plywood is recommended, with 3/4” thick plywood being considered ideal.

What type of floor can go over concrete?

Like other flooring materials that work well over concrete slabs, laminate uses layers to fight moisture. This makes it a reliable option to install over your concrete slab. If you plan to transform your basement into a high traffic area for entertaining and relaxing, laminate could be a great option.

Can I put plywood over concrete?

Plywood can easily adhere to concrete. Plywood is often used as a sub-flooring. It can be installed on top of concrete before hardwood flooring or another type of material is installed. One way to attach plywood to a concrete surface is to screw it into place with concrete fasteners.

Can you glue underlayment to concrete?

No, you should not glue down your underlayment. Underlayment is is a floating material, the same as your laminate flooring. In most cases, you should not glue or nail your underlayment down. You should always check with the installation instructions of the underlayment for proper installation instructions first.

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.

How do you nail plywood into concrete?

Installation: (1) With the plywood or sleeper in place, use a hammer drill and ¼” carbide tipped masonry bit that meets ANSI standards. Drill right through the wood and into the concrete to a depth of ¼” deeper than the split drive anchor will penetrate the concrete.

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.

Will Liquid Nails stick to concrete?

The answer is yes. Liquid Nails construction adhesive will fasten wood to concrete as long as the conditions are right and you use the right type of Liquid Nails. The ideal conditions include: surfaces must be clean, dry, and dust-free, and the application temperature must be between 40–100° F (5–38° C).

What kind of wood floor is best on concrete?

According to flooring experts, the best kind of wood flooring to use with a concrete subfloor is a floating engineered wood floor. This kind of floor performs well, resists moisture and is easy to install.

Is it better to use OSB or plywood for subfloor?

The National Tile Contractors Association and the Resilient Floor Covering Institute both recommend plywood for subflooring and underlayment, because it doesn’t have the risk of swollen edges that OSB does. Plywood also has a slight advantage in stiffness, which means that subflooring panels need not be quite as thick.

Can you put a wood floor over concrete?

If you have a concrete slab main floor or basement, you may be wondering if it’s possible to install hardwood flooring directly on top of the concrete. The short answer is yes.

How can I cover a concrete floor cheaply?

Below are cheap options you can use to cover or modify your concrete floors: Concrete paint. Concrete stain. Carpet or area rugs. Tiles. Linoleum. Bamboo flooring. Cork flooring. Concrete overlays.

How do you cover a concrete floor?

6 WAYS TO COVER CONCRETE FLOORS Textured Concrete Floor Coverings. If you are looking for a 3-dimensional textured floor covering that resembles most any natural material (stone, tile, wood, etc.) Thin Section / Microtoppings. Spray Applied or Stenciled Concrete. Self-Leveling. Epoxy Coating. Polishable Overlay.

Can I put vinyl flooring over concrete?

Yes, luxury vinyl tiles (LVT) can be installed over concrete provided you follow the correct installation procedure.

How do you attach wood to concrete without drilling?

Cut Nail. Using cut nails is an easy approach for attaching wooden items to concrete without a hammer drill. The cut nail has a square, tapered shape with a tip pa. These are driven through a board into the concrete underneath, much like nailing wood to the wood floor.

Can you use plywood as flooring?

Plywood floors are suitable for any room where you’d otherwise install hardwood, though kitchens and bathrooms are less desirable since frequent water spills are likely. A 1½-in thick, 4-foot by 8-foot sheet of CDX plywood (the kind used in subflooring) sells for around $15.

Do you glue underlay to the floor?

Do you need to staple down underlay? To ensure that the underlay is secure and stays in place, you should staple down the underlay or use an adhesive to glue it down into place. This will ensure that your flooring is level and doesn’t move when it is walked across, or furniture is placed into the room.

Can you glue plywood to concrete wall?

Apply a layer of construction adhesive with a caulk gun to the back of the plywood. Lean the plywood against the concrete block, making sure the wood is where you want it as the glue dries. Use 2-by-3 lumber to brace it in position as the adhesive sets.