Step 3: Cut The Downspout Holes

cutting the downspout holes for installing half-round gutters
Photo: Matthew Benson
Measure in from the end of the roof to the point directly above where you plan to attach each downspout. Typically, they run inboard of corner trim; how far depends on their bracket's size. Transfer those measurements to the gutter, and cut the downspout holes with a hole saw or with metal shears, as shown.
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    Tools List

    • ladder
    • pencil
    • water level
      Water Level
    • 30-foot tape measure
      Measuring tape
    • chalk line
      Chalk line
    • drill
      Drill/driver or Impact driver
    • hole saw
      Hole saw or Metal shears
    • pop rivet gun
      Pop-rivet gun (if using pop rivets)
    • emery cloth
      300-grit emery cloth
    • propane torch
      Hand torch
    • tack cloth
      Wiping cloth

    Shopping List

    Gutter brackets
    Screws (included with brackets)
    50/50 solder