Attach 1.3 cm (1/2 inch) Hardi cement board directly to the 5 cm x 5 cm 2.4 m (2 inch x 2 inch x 8 foot) pieces of timber using 4.1 cm (1 5/8 inch) backer board screws. Apply screws every six inches.
USG’s Backer Boards and Cement Boards offer durable ... Easy to cut and install with screws, fasteners, or nails. Durock™ Glass-Mat Tile Backerboard is a water-resistant gypsum panel with ...