The National Wood Flooring Association (NWFA) will hold a one-day Subfloor Preparation class Jan. 12 at Sika Corp. in Lyndhurst, N.J.

The class will be led by Frank Kroupa, an experienced NWFA instructor in co-operation with the Sika Corporation. The course will cover the basics on substrate leveling, moisture protection, sound reduction and glue down of engineered and solid hardwood flooring. This training also consists of a theory and a hands-on section.

The fee for the class is $150. The course will be held at Sika Corp., 201 Polito Ave., Lyndhurst, NJ 07302.

For more information, call (800) 422-4556 or .