Learn how to cut wood siding around a round louver with great speed and amazing precision. This technique for works for wood and Hardie plank siding.
Setting a Round Louver
The process is very simple; the real deal is tedious.
- Run the siding in the gable as normal.
- Plumb down from the center with a 4′ level; make a good mark.
- Find the vertical center of the louver.
- Place the louver against the siding in reverse.
- Establish a quality pencil mark around the perimeter of the louver.
- Saw the siding with an oscillating tool such as the Sonic Crafter.
- Test fit the louver in reverse in the hole in the siding.
- Tack up a series of triple 1 1/2″ blocks around the perimeter of the hole.
- Use the blocks to exactly position the louver and mark the rough opening.
- Mark an extra 1/4″ around the rough opening.
- Use a reciprocating saw with a bi-metal blade to saw the opening.
- Note: Do not saw through any member of a truss without proper approval.
- Set the louver in the openings and use a torpedo level to establish its position.
- Nail it in with the proper fasteners according to the job.
- Re-nail any siding as necessary on their ends.