What is cementitious backing board?
What is cementitious backing board?
Cement backer board is commonly used to form a base for ceramic tile. Also called a cementitious backer unit or CBU. Because cement backer board is porous, thinset, grout, and mortar adhere well to it. Backer boards can be nailed or screwed into studs or cinderblock, brick mortar, or concrete.
Is cement board the same as backer board?
Cement backer board is also called cement board, and it’s the most commonly used backer board for all manner of ceramic and porcelain tiles. Made of cement and reinforced on the top and bottom with fiberglass, this waterproof backer board is generally used for tiled shower surrounds and floors in wet areas.
What is USG Durock cement board used for?
USG Durock® Brand Cement Board with EdgeGuard™ offers architects, builders and tile contractors a strong, water-durable tile base for tub and shower areas. Also an ideal underlayment for tile on floors and countertops in new construction and remodeling. Board is readily applied over wood or steel framing spaced 16 in.
Is USG Durock cement board waterproof?
Should USG Durock® Brand Cement Board Panels be waterproofed in wet area use? Water does not affect USG Durock® Brand Cement Board, however, TCNA guidelines recommend the use of a waterproof membrane in wet areas.
Can you tile directly on cement board?
Cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall-tile applications in wet areas like showers and tub surrounds. Ceramic tile laid over cement board is one of the most durable floor or wall surfaces you can install.
Which side of cement board goes down?
Screw the board in place Cement board has a smooth side and a rough side. Face the rough side out if you will be using thin-set mortar adhesive to install the tile but the smooth side out if you will be using latex mastic.
Can a USG cement board be used as a structural panel?
USG Durock® cement board is not designed for use as a structural panel. 12. Maximum installed weight of the finish system should not exceed 15 psf. 13. USG Durock® cement board panels should not be used in areas where they are exposed to temperatures that exceed 200°F. 14.
What kind of backer board do you use for cement?
USG offers architects, construction project managers, and builders tile backer boards and cement board panels that are ideal for any application. Our concrete board products feature enhanced performance for virtually any type of project, resisting spinout and crumbling with their durable construction.
What are the standards for USG Durock cement board?
not present STANDARDS U USG Durock® Brand Cement Board u units (CBU). See ANSI A118.9 f i interior installation of CBU. Ex E Exceeds ASTM C1325 standards for AVAILABILITY U USG Durock® Brand Cement Board
Which is the best brand of cement board?
CEMENT BOARD SYSTEMS USG Durock® Brand Cement Board offers architects, builders and tile contractors a strong, water-durable tile base for tub and shower areas. Also an ideal underlayment for tile on floors and countertops in new construction and remodeling.