Sometimes it can be difficult to estimate how many 4’x10′ flat sheets you need to order for your metal roofing trim package simply by writing it out or using a spreadsheet. Today on The Metal Roofing Channel, Thad demonstrates how to use the free Sheffield Metals online trim estimator calculator which allows you to select your flashing types, required stretch out, and linear footage of each flashing to calculate the number of flat sheets you need to order.
