James Hardie HardieBacker 4-ft x 8-ft x 1/2-in Water Resistant
Shop James Hardie HardieBacker 4-ft x 8-ft x 1/2-in Water Resistant Fiber Cement Backer Board at Lowe's. HardieBacker cement board is a tile underlayment made for wet areas like kitchens and bathrooms. This cement-based backer board, made of 90% Portland cement. Find a Store Near Me.