Pick the Right Underlayment Material for Your Steel Roofing ProjectEnglert, Inc
https://www.edocr.com/v/042wejmm/ofeithjo68/Metal-Roof-Covering-and-House-Ventilation
Exposure-- A northern direct exposure or shaded areas will normally contribute to larger ice dams. While rain gutters might make it less complicated for an ice dam to start, big dams can take place on roofings