How do I Install a Metal Roofing Around Whirlybird Vents?

Metal roofs have long life spans and can help lower your insurance rates.

Metal roofing sheets can be cut and sized to fit your Whirlybird vents.Metal roofing sheets can be cut and sized to fit your Whirlybird vents.
Their durability and energy efficiency make these types of roofs a popular choice for homeowners. Installing a new metal roof means working around the vent system, including Whirlybird-brand turbine vents. The job can be done without taking out the vents completely, though. With the correct tools, you can cut and shape the metal to fit around your existing Whirlybirds.

Align and lay a sheet of metal directly below the Whirlybird vent.

Mark the width of the base of the Whirlybird on the metal sheet with the pencil for your cuts.

Measure 12 inches down from the center between the two marks. Mark the spot with the pencil.

Draw a line between the marks made for width and depth, to form a semicircle.

Cut the semicircle out of the sheet with the metal snips.

Slide the cut sheet of metal up to the bottom of the base of the Whirlybird.

Align and lay a sheet of metal directly above the Whirlybird vent.

Mark the width of the base of the Whirlybird on the metal sheet with the pencil for your cuts.

Measure 12 inches down from the center between the two marks. Add 1 inch for overlap. Mark the spot with the pencil.

Draw a line between the marks made for width and depth, to form a semicircle.

Cut the semicircle out of the sheet with the metal snips.

Slide the cut sheet of metal down to the top of the base of the Whirlybird. Overlap the bottom piece of metal.

Attach the metal to the roof with the drill and sheet metal screws.

Apply a generous bead of roofing silicone around the base of the Whirlybird with the caulking gun.

Things You Will Need

  • Roofing gloves
  • Tape Measure
  • Metal snips
  • Drill
  • 2-inch sheet-metal screws
  • Silicone sealant
  • Caulking gun

Warning

  • Wear roofing gloves for protection against sharp edges.

About the Author

Mona Culberson began working on the assembly line at a large manufacturing company in 1983, where she worked her way up into several positions of business responsibility. In 2005, she began a career in roofing, interior design and remodeling. She works daily as a professional painter/home remodeler/handywoman while lending her husband's roofing business a helping hand in her spare time.