PermaBase CB23140500 Underlayment, 5 ft L, 3 ft W, 1/4 in Thick, Cement/Plastic, Gray, Pack of 60

Cement board underlayment is a rigid substrate made of Portland cement, aggregate and glass mesh that provides an exceptionally hard, durable surface that is able to withstand prolonged exposure to moisture.
Unit: EA
UPC: 022332319704
Model Number: 50000043