Preparing for Installation
Evaluate the space where you plan to install the floating flooring. Before you go about laying down your floating floor, you need to know how much ground you need to cover. Although it's perfectly possible to buy only the amount required for the job, it's beneficial to purchase a little more than necessary to account for mistakes and patch-ups, especially if you're installing for the first time. Using a tape measure, measure the room from one wall to the opposite wall, and write down the distance. Suppose the distance is 10 feet (3.05 m).Install a Floating Floor Step 1Bullet1.jpg Next, measure the distance of the opposing walls to each other. Suppose this distance is 12 feet (3.66 m).Install a Floating Floor Step 1Bullet2.jpg Multiply these two measurements to find the total area you will need to cover with pre-finished hardwood flooring. From the example, you would multiply 10' x 12' (3.05m x 3.66m), which would give you a total area of 120 square feet (11.163 square meters).Install a Floating Floor Step 1Bullet3.jpg
If your subfloor is concrete, cover it with a wood or engineered wood subfloor first. Laying down your floating flooring directly onto concrete is a no-no. For one, there's less insulation. Also, the possibility of dampness, however small, is greater when there are fewer membranes between your concrete foundation and your floating floor. In choosing a wood subfloor, many professionals like to use OSB (oriented strand board) or plywood. Use the measurements above to estimate how much OSB or plywood you will need. If you decide to install your floating floor on concrete anyway, you need to test the concrete with a calibrated concrete moisture meter to verify that it is dry (less than 4% moisture content) before proceeding.
Prepare your space. Before you really get started, there's just a few more things you need to take care of: Use a level at various spots on the floor to make sure it's even. Fill in unlevel spots or grooves with patching compound.Install a Floating Floor Step 3Bullet1.jpg Sand down bumps and ridges in the subfloor.Install a Floating Floor Step 3Bullet2.jpg When you're all finished, vacuum the floor to remove any dust or debris.Install a Floating Floor Step 3Bullet3.jpg
Pick out the floating flooring. Pre-finished hardwood flooring comes in different sizes, thicknesses, lengths, colors and designs. Some common finishes and wood options include oak, cherry, maple and walnut. Which you choose depends largely on personal preference. Calculate how many boxes of floating flooring and how many rolls of foam underlayment you will need to purchase. You can find this information by reading how much footage each box and roll covers. Divide the total area of the room by the area the box or roll covers. Open the boxes and let them sit in the room for three or four days to let the flooring adjust to the house climate.
Installing the Floating Floor
Roll out the foam underlayment in a single layer across the floor. Size the foam underlayment and cut it with a utility knife. Tack it into the subfloor and then seal the seams together with duct tape.
Decide which way the pre-finished hardwood flooring planks will lay. Parallel with the longest wall usually looks best — and is the easiest to install — but an irregular-shaped room might suggest another arrangement, such as a diagonal layout.
Place a 5/16 inch (40.6 cm) (7.94 mm) spacer against the wall that is the furthest away from the door. Lay out the first piece of square edge flooring with the groove side against the wall so it fits snugly against the spacer. Place the next piece end to end. Why do you need spacers around the walls? The floating wood floor will expand and contract as a unit with temperature fluctuations. Leaving a small barrier around the side of the room will give the flooring enough of a buffer to do its thing without cracking.
Snap the two tongue-and-groove pieces of flooring together. Place the flat edge of a kick tool or wood block against the end of the second piece and hit the kicker with a hammer. Continue this process on the floor along the wall. If you have one, a dead-blow hammer will remove the need for a kick tool or wood block to serve as padding. Dead-blow hammers minimize the damage to the wood.Install a Floating Floor Step 8Bullet1.jpg
Cut the last piece in the row so it will fit, leaving a small buffer between it and any walls (for expansion or contraction). Cut the flooring with a jigsaw or circular saw as needed. If you're having trouble fitting the end piece into the floor because of the wall, you might need to remove the second-to-last piece and lay down the final piece of flooring first. Once the end piece is in position, tight against the wall, fit the second-to-last piece back in and attach the tongue to the groove.Install a Floating Floor Step 9Bullet1.jpg
Place the next row, but stagger the joints so that they overlap. Cut the first piece of flooring of your next row so that the end-joints don't fall along the same plane. This will strengthen the durability of the floor as well as add a pleasant aesthetic component. Use the kick tool, block, or dead-blow hammer on the side of the plank to connect the rows together.
Continue staggering each new row until you've covered the room with the square-edge flooring. Shoot for every other row to be placed along the same plane to give the arrangement a uniform look.
When finished, be sure to remove the spacers from the edges of the walls. Cover up the free space between the baseboard and the floating floor by installing shoe molding along the entire perimeter of the wall. When you do, be sure to nail the shoe molding to the baseboard and not to the flooring to prevent cracking when the floor expands.
Troubleshooting Common Problems
Cut down casings when your flooring doesn't fit underneath it. If you're trying to install flooring around doors for example, you might find that the floating floor doesn't quite fit beneath the casing. Trim these door casings with a flush-cut dovetail saw if the flooring doesn't fit underneath the casings. To do this, hold the saw flat against a scrap piece of flooring to use as a guide, and press the saw into the casing, gently make the cut. Slide the flooring underneath to make sure that it fits.
Scribe around tricky corners or angles. Scribing is a really useful skill to have in your toolkit. It will allow you to make accurate cuts using a compass as a guide.
Use a pull bar to help join together tongue and grooves of end pieces. Usually, you can fasted one piece of flooring to its vertical cousin by tapping on the bottom of the end piece. But what if the end piece butts up against a wall, and you don't have the space to tap the tongue and groove together? For this you use a tool called a pull bar, which is a long strip of metal with a tongue on either end going in opposite directions. Just fit the pull bar down into the seam between the end piece and the wall, and then tap on the upward-sticking tongue of the bar to connect the tongue and groove.
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