Overview
Ectek has been supplying structural cement boards for wall, subfloor & roof sheathing for 15 years.
3/4" Megaboard: one of the best performed structural subfloor panel to replace OSB/Plywood + gypcrete or metal deck + gypcrete for 1, 1.5 and 2 hrs rated -47 UL listed assemblies. Plus it has the best shear capacity among competitors. IAPMO ER808
5/8" Megaboard: the most cost effective 2 hrs rated wall assembly + shear wall IAPMO ER710