17 September

“Q&As: Janka Explained, Self-Leveling Underlayment, & Testing Slabs”

“…Can I pour a self-leveling underlayment over an existing ceramic floor and then glue down a wood floor over it?”


“…Yes, there are new products on the market today that can be poured directly over just about any type of subfloor, including rubber, VCT, vinyl, ceramic, cut-back adhesive, gypsum concrete, plywood, OSB and more.

This newer technology allows the flooring contractor to pour self-leveling compounds over many types of substrates without the labor of tearing out the old floor, and it creates an extremely flat surface. The ability to install directly over varying substrates without the cost of deconstruction while reducing the potential for issues like hollow spots is a great advantage for a professional flooring contractor and one they should use to promote themselves with consumers who also considering the DIY option.

The process for using these self-leveling products is simple: sweep the floor, apply a primer and then pour the product at a thickness of 1/8 to ¼ inch. It needs to dry overnight and then is ready for a wood floor. Once cured, the self-leveling compounds are porous and are suitable for varying types of adhesives—check with your adhesive manufacturer to be sure…”


Read more below!


“Q&As: Janka Explained, Self-Leveling Underlayment, & Testing Slabs


Hardwood Floors

January 2013

By: HF Editors



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