Check your wood flooring manufacturers recommendations and sand any high spots with a concrete grinder. First test the moisture content of the slab to make sure its ready for wood flooring installation.
Scrape the floor clean of drywall compound paint and other substances on the floor.
Preparing concrete for wood flooring. To prepare your concrete subfloor make sure that it can accept water penetration. Another option is to tape a piece of your vinyl flooring to the concrete for 72 hours. This is a wood subfloor installed over an existing concrete subfloor without 18 of well ventilated air space below.
If the wood flooring is to be glued down make sure there arent sealers or other coatings that may interfere with the adhesive bond. Consult your carpeting installers to ensure that you choose a primer that is compatible with the adhesive compound they plan to use. When I asked about installing it over existing glue down engineered hardwood I was told it would be stable enough.
Since concrete is a porous material there are a few requirements to prepare a concrete subfloor before installing your laminate flooring. Then sweep again and vacuum. Tape a 3-foot-square piece of scrap vinyl to the concrete with duct tape sealing the edges tight.
Yet installing hardwood flooring is a big project often best left in the hands of professional wood floor installers. Sweep the floor clean of all dirt dust and debris. The moisture factor with a concrete subfloor is the most important thing to consider.
A plastic roller with spikes. According to NWFA Technical Publication No. Historically concrete was left for high traffic areas or floor sections like basements patios and walkways where fashionable decor was not top priority.
Prepare the slab floor as discussed in Preparing Plywood-on-Slab for Hardwood above but instead of rolling out polyethylene sheeting on the concrete slab embed the 2-by-4 sleepers in thick lines of asphalt mastic. Haha Two things that might be relevant. Concrete on or below grade will have some moisture in it due to its proximity to the ground.
Place the sleepers in mastic around the rooms perimeter abutting their ends. Yes im a little confused my construction knowledge is a little better than most but limited. Leave the vinyl in place for 72 hours.
Its at ground level on a concrete slab No basement 20 yrs old. Prepare a Concrete Subfloor for Tile As with a wooden subfloor a concrete subfloor must be level for successful tile installation. Test the moisture content of your concrete subfloor.
How to Install Glue-Down Engineered Wood Flooring on Concrete Slab Preparation Slab preparation is critical for glue-down and includes sanding scraping leveling and filling low spots because the slab must be flat so the planks can fit correctly. You can do this with a moisture meter ensuring that your reading is no more than three-pounds per 1000 square feet per 24 hours. Scrape the floor clean of drywall compound paint and other substances on the floor.
Preparing the concrete surface. If the flooring comes up easily youll need to reduce the moisture content of the room via dehumidification and repeat the test. A100 Water Wood concrete should be a minimum of 60 days old before wood flooring is installed on top unless moisture testing indicates acceptable moisture content before that time.
To determine the roughness of the concrete floor we put a direct rail to the floor and a level is determined at any not very smooth place. Fill any low spots with a cementitious leveling compound following the manufacturers directions and allow it to dry before proceeding. Typically the floor must be level and uniform within 316 inch every 10 feet.
Solid hardwood floors are suitable for installing both at ground level and above ground level assuming the concrete is dry and that the right subfloor and vapor retarders are used. To prepare the foundation concrete floor for laying laminate you will need. When there is not enough ventilation moisture will build up causing not only installation failure but possible rotting of the wood.
Its essential to choose the best option from the available types of floors for your hardwood installation on a concrete slab. We avoid those problems by using a buffer and hard plate with 30-grit sandpaper to abrade the surface. Watch Concrete Subfloor Preparation and leveling for Laminate and Hardwood Floor Installation.
A container for solution. The moisture reading for concrete subfloors cannot be higher than 45. Many hardwood floors last for decades with proper care.
Hardwood flooring provides long-lasting beauty and durability to a home. Concrete is a durable easy-to-clean material for floors. With a sand-and-finish floor good prep helps eliminate chatter and other problems.
If the tape releases easily the floor is too. Additionally a steps must be taken to ensure that a concrete floor will create a solid bond. Cover the concrete floor with primer if it is a powdery surface that cannot be cleaned.
In recent years however concrete has found new life with stains and sealers that give it the look of other surfaces including wood. The publication also notes that moisture testing should not begin until the slab is at least 30 days old. Take a Moisture Rating.