Rolled Roof vs Roof Covering Shingles vs Tiles
https://www.kdpcommunity.com/s/profile/0052T00000Btxif?language=en_US
Just usage nails in the top two corners. Snap a chalk line 35 1/2 inches over the eave. Setting the first sheet, tack the top every 2 feet, and nail the rake as well as eave sides every 3 inches, keeping the nails