DPWH Standard Specifications for Protective Coating for Concrete, Item 729. Category: Department OrderSub Category: construction-materialsSeries: 2008No: 64File: DO_064_S2008.pdfDate: Thursday, December 11, 2008Tags: Standard Spec 064 Protective Coating Concrete Item 729 materials Read more about DPWH Standard Specifications for Protective Coating for Concrete, Item 729.