DWQA Questions DWQA Questions › Tag: difference between 0.45mm and 0.55mm Aluminum Roof SheetFilter:AllOpenResolvedClosedUnansweredSort byViewsAnswersVotesAluminum Roof Sheet Technicality: How do I detect difference between 0.45mm and 0.55mm Aluminum Roof Sheet?OpenPhilip N. @ EngineeringAll.com answered 3 years ago • Civil and Buildings, TECHNICAL1200 views1 answers0 votes