Installing 1 4 Underlayment Sheet Vinyl

It typically comes in 4 x 8 foot sheets.

Installing 1 4 underlayment sheet vinyl. Most plywood underlayment is about 1 4 inch thick and has square edges and a smooth knot free top face. It needs to be built up to the same elevation of the other flooring types in the house. Position sureply plywood underlayment panels 1 8 to 1 4 from the walls to allow for expansion. There are several types of underlayment for this type of flooring and we ve seen brands with a thin layer of foam pre attached as well.

When installing the new underlayment stagger the seams of the plywood panels and leave a 1 32 inch gap between panels to allow for expansion. Leave a 1 8 inch gap along the walls. Finish the sheet by fastening the remaining 8 edge 2 on center 1 2. I have 3 4 durastrand subfloor and am installing 1 4 underlayment before the vinyl.

Laying underlayment over an existing flooring. Sheet vinyl however is only about 1 16 inch thick. Cement board thinset and tile add up to about 5 8 inch. If your subfloor had dips or damage it could show through the vinyl over time.

We recommend you use this method for installation under vinyl vinyl composite tile luxury vinyl tile ceramic tile carpet engineered flooring and wood floors. Traditional hardwood flooring is 3 4 inch thick and carpet with pad is usually between 5 8 and 1 inch depending on the type. While luan provides a smooth surface on which to install vinyl it s not suitable for all types of vinyl flooring. I have installed one sheet so far and it was a lot quicker than my past jobs.

I have used nails and screws in the past but read online elsewhere that pros use narrow crown staples. Always use the fasteners and fastening pattern recommended by the vinyl floor and plywood manufacturer. Installation procedures and adhesives differ for each type of vinyl flooring and vary from one manufacturer to another so be sure to get instructions for the type of flooring you choose. That doesn t mean you don t need underlayment for sheet vinyl however.

When it comes to installing a new flooring material you sometimes have the option of installing the underlayment for your new floor directly on top.