QA

How To Install Hardwood Floor Over Concrete

Can you install hardwood 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 do you install wood flooring over 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.

Can you lay solid wood floor on concrete?

Both solid wood flooring and engineered wood flooring can be laid onto a concrete subfloor. The installation process is slightly different for each, but by following the correct steps it can be done without any problems.

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.

What is the best underlay for wood flooring on concrete?

Super Gold is the thickest underlay you can put under laminate or wood flooring. The main benefit of a thicker product is the warmth properties it has. It has a built in damp proof membrane so works great when laying on concrete floors for example kitchens and other downstairs rooms.

Do I need a subfloor over concrete?

If you don’t plan to use the space, there is no need for a subfloor or floor covering. Concrete or tile-over-concrete are acceptable floors for uninhabited basements. But to install any kind of floor covering—engineered wood, laminate, carpeting—basement subflooring is highly required.

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.

Can 3/4 hardwood be glued down?

No, 3/4 solid Hardwood flooring can expand and contract more than engineered wood flooring. I would not suggest direct gluing down any 3/4-inch thick solid Hardwood flooring to any surface, the adhesive bond might not allow the solid wood flooring to move or breath normally and can cause the wood flooring to distort.

Can you glue solid hardwood 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.

What do you lay under hardwood floors?

The most basic underlayment is a plastic sheet that acts as a moisture barrier. In humid climates, pair a plastic sheet with all other types of underlayments, even those that already offer some moisture resistance. Dealing with warped or mildew-laden wood costs more than adding that extra layer of protection.

What do you put under oak flooring?

Lay either: a damp-proof membrane underneath underlay. or a product that combines the two. For a wooden or plywood sub-floor, lay: underlay only. There are a variety of underlay materials available. foam underlay – suitable for concrete and wooden/ plywood sub-floors.

How do you install hardwood floors on a concrete basement?

How To: Install Engineered Hardwood Flooring on Concrete Test the Humidity of the Concrete. Prepare the Floor and Let Planks Acclimate. Spread the Adhesive with a Notched Trowel. Laying Down the Flooring Planks. Apply Pressure to the Flooring. Wait and Finish (If Needed).

What do you put between wood and concrete?

Anyplace where wood meets the ground or concrete, the lumber must be pressure treated. For additional moisture protection, a gasket or strip of closed-cell foam can be installed between the concrete foundation and the sill plate.

What do you put under wood on concrete?

Lay 6-mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring. Then fasten 3/4-in. treated plywood to the concrete with concrete screws spaced every 16 in. Alternatively, screw rows of treated 1x4s to the concrete 16 in.

Should you put underlayment under hardwood floors?

Why You Need Underlayment 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.

Can you use carpet underlay for wood flooring?

While carpet underlay works well for carpet, it isn’t as suitable for wood floors. It’s not a good idea to install wood floors, including hardwood planks and engineered wood flooring, over carpet underlay! It’s too thick for the hardwood planks, which won’t fit well under doors, baseboards, and cabinets.

How do you damp proof a floor?

When faced with damp in concrete floors, there are two options available: Dig up the old concrete floor, install a new damp proof membrane and lap up edges before replacing the concrete slab. Fully isolate the dampness in the floor using a surface Damp Proof Membrane (DPM).

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.

What is the cheapest way to finish a basement floor?

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

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.

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.