How do I Build a Roof Finial?

Written by kim sarah
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How do I Build a Roof Finial?
Finials can decorate almost any pitched roof. (Roof image by Mohd Haka Khambali from

Finials are decorative pieces that sit on the point of a roof. They appear similar to a spire with several ball shapes spread throughout them. Made from metal, finials come with several pieces that must be built on the roof so that they remain in place correctly. Installation is simple and can be done by almost any homeowner.

Skill level:

Things you need

  • Screwdriver
  • Drill
  • Tin snips
  • Liquid Nails or silicone caulk
  • Silicone
  • Tape Measure
  • Marker
  • Level
  • Contractor

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  1. 1

    Determine the pitch of your roof. Measure the angles of the roof with a contractor and a level. Lay the side of the contractor against the roof. Place the level on the tip of the roof and adjust it until the bubble centres. Note the angle measurement mark on the contractor where the bottom of the level sits.

  2. 2

    Transfer the angle to the back and front of the square cap that come with the finial. Draw the angles on to the cap with a marker.

  3. 3

    Place the roof mount on the point of the roof. Secure it in place by inserting and tightening the screws on either side of the mount where it connects with the roof.

  4. 4

    Put the 3/4-inch rod supplied with the finial kit into the hole on the top of the finial. Let it slide down the hole and rest on the roof. Secure the pole in place by inserting and tightening two screws on both sides of the pole and mount.

  5. 5

    Install the finial. Spread a layer of silicone caulk or liquid nails on the base of the finial. Slide the hold on the bottom of the finial over the pole inserted in the mount.

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