Its made from cement and sand and is reinforced by fiberglass mats on both sides so it s impervious to water.
													
																	Tile tub surround backer board. 
									
	
		
	
																	Cement backer board comes in two standard thicknesses 1 2 inch and 1 4 inch. 
																	Tub or shower wall tile preparation. 
																	The best approach when installing cement board or other tile backer around a tub is to keep the cement board out of the lip area. 
																	Hanging cement board around a bathtub. 
															
													
									
	
		
	
																	The industry standard is to use 1 2 inch thick backer board on wall tile installations such as a tub surround. 
																	Wedi board tile backer board which shower tile backer board is best. 
																	Above the lip of the tub. 
																	Applying a waterproofing sealer to cement backer board before tiling. 
															
													
									
	
		
	
																	I often get questions on what sort of tile backer board to use for showers and tub surrounds. 
																	Since a tile tub or shower surround gets wet it requires a waterproof backing rather than just drywall. 
																	When it comes to installing a tile backer board the easiest to install is usually the worst choice or most expensive option. 
																	Then apply a generous amount of thin set to the bottom bathtub tile and position it 1 8 in. 
															
													
									
	
		
	
																	Apply it to the wall with the bottom edge about 1 4 in. 
																	Thick 3 x 5 ft. 
																	Apply a layer of 1 2 thick cement backer board to the wall. 
																	It s typically available in 1 2 in. 
															
													
									
	
		
	
																	Cement board is the most durable trouble free tile backer for tub surrounds showers floors and all other wet areas.