CHINESE 1/4x4x4 UltraplyXL Underlayment pLYWOODtesting,inspection,sourcing,factory auditing Underlayment PLYWOOD 157 Views Share tweet Related Articles CHINESE 1/4″ 4×8 UltraplyXL Underlayment PLYWOODtesting,inspection,sourcing,factory auditing FacebookX 1/4x4x4 UltraplyXL Underlayment Attributes Certified : TSCA Title VI CompliantLength : 4″Thickness : 1/4″Unit of Measure : EachWidth : 4″ Share tweet