DPWH Standard Specifications for Dampproofing, Item 1034. Category: Department OrderSub Category: construction-materialsSeries: 2007No: 27File: DO_027_S2007.pdfDate: Tuesday, May 15, 2007Tags: Standard 027 Specifications Dampproofing Item 1034 const mat Read more about DPWH Standard Specifications for Dampproofing, Item 1034.