Set up the Underlayment: Get started in the eaves (the edge on the roof) and roll out the underlayment, overlapping Just about every row by about six inches. Nail the underlayment set up with roofing nails. If you're installing a metal roof around the existing asphalt roof, then aluminum shingles https://residential-roof-installa41615.jaiblogs.com/62462238/what-does-top-rated-residential-roof-installation-mean