Larger sheets of cement board are more prone to breaking than smaller sheets.
													
																	Wonder board on roof. 
									
	
		
	
																	Cement board will also work as a countertop backerboard and. 
																	It can be nailed or screwed into almost any material including cinderblock brick and concrete. 
																	Board screws or 1 1 2 galvanized roofing nails. 
																	James hardie hardiebacker 1 4 in. 
															
													
									
	
		
	
																	Schluter systems 0 5 in x 48 in x 96 in kerdi board polystyrene foam backer board. 
																	For pricing and availability. 
																	James hardie 0 42 in x 36 in x 60 in hardiebacker with hydrodefense technology fiber cement backer board. 
																	If you re installing tiles or stonework on the floor on walls or on a countertop you need an underlayment of concrete board for stability and moisture protection and wonderboard fits the bill. 
															
													
									
	
		
	
																	Wonderboard is a popular brand of fiber cement backer board. 
																	Wonderboard lite includes a preprinted pattern on the panel surface and is easy to score snap cut and fasten simplifying installation. 
																	Cement board is james hardie hardiebacker 1 4 in. 
																	Wonderboard lite provides a stable flat and level underlayment that protects. 
															
													
									
	
		
	
																	Cement board is porous so grout and mortar adhere to it well. 
																	7 16 board aligns to 1 2 13 mm drywall without use of shims or spacers on wall studs. 
																	Cement board is a cement backerboard designed for use with floors and countertops. 
																	Leave a 1 8 gap between panels corners and floor. 
															
													
									
	
		
	
																	Another reason is the breakage factor. 
																	The first step to a successful tile installation is proper surface preparation. 
																	Remains stable when exposed to moisture reducing risk of moisture damage. 
																	Works under interior floors to provide a solid foundation for tile vinyl wood and other flooring. 
															
													
									
	
		
	
																	Use 1 1 2 inch galvanized decking screws in all four corners on the sides in the middle and along the bottom if you re. 
																	4 fill gaps between panels and corners with a thin set mortar then embed 2 wide 5 cm fiberglass mesh tape and smooth. 
																	Place new board and reroof. 
																	Cement board is easily cut with a hand saw or a power saw. 
															
													
									
	
		
	
																	Around perimeter of each board position fasteners within 1 2 2 of edges. 
																	Following the thin set mortar instructions you. 
																	Place the new decking board on the roof.