Building the Best Base: Subfloor Repair and Prep Before You Install
New flooring rarely fails because of the finish — it fails because of what’s beneath it. Warping, cracking, squeaks and loose boards most often stem from inadequate sub-floor preparation. To help your hardwood, LVP or tile last longer (and stay covered by warranty), follow these essential prep steps before laying the first plank. Step 1: Remove Anything That Doesn’t Belong Strip out old linoleum, carpet padding, adhesive residue and any debris. Leftover materials stop new flooring from sitting flat and lead to future problems. For tough, stubborn layers, use a heavy-duty OLFA Scraper to quickly create a clean, stable base before installation. Step 2: Stop Squeaks and Eliminate Movement A quiet, stable floor starts with a rock-solid sub-floor. Fasten any loose plywood or OSB to the joists to eliminate flex that causes squeaks and cracked finishes. Use an 18-gauge brad nailer (or screws where specified) to securely attach panels—this locks everything down and provid...