Types of cement backer board. Permabase is National Gypsum's product and it is very much like WonderBoard from Custom Building Products. ... HardieBacker – My favorite backer board.

CHICAGO, Jan. 21, 2020 /PRNewswire/ -- James Hardie Building Products Inc., the world leader in fiber cement technology, will showcase its latest innovation, HardieBacker ® Cement Board with ...