Synthetic-Lath Underlayment for Ceramic, Porcelain and Natural-Stone Tiles Mapelath is a lightweight, noncorroding and alkali-resistant lath used to replace wire lath and traditional underlayments that are heavier, thicker and more labor-intensive to install. Mapelath minimizes the overall finished height of the floor.

• Lightweight, noncorroding underlayment
• For interior floor applications