DPWH Standard Specification for Item 1039 - Aluminum Cladding. Category: Department OrderSub Category: construction-materialsSeries: 2015No: 44File: DO_044_S2015.pdfDate: Friday, March 20, 2015Tags: Standard Specification Item 1039 Aluminum Cladding materials BRS 044Bureaus and Services: Bureau of Research and Standards Read more about DPWH Standard Specification for Item 1039 - Aluminum Cladding.