Steel sheets for roofing now under mandatory certification by DTI
Published April 1, 2021, 2:45 PM Galvanized steel sheets for roofing and general applications are now placed under mandatory product certification by the Department of Trade and Industry to ensure product standards and safety, protect domestic manufacturers and prevent entry of substandard imports. Through the Bureau of Philippine Standards (BPS), the DTI issued the Department Administrative Order (DAO) 20-10, series of 2020 or “The New Technical Regulation Concerning the Mandatory Product Certification of Hot-Dip Metallic-Coated and Pre-Painted Galvanized Steel Coils and Sheets for Roofi...