This will never be quite as strong as when you can get the weathervane installation rod down into the framing.
How to install a weathervane on a metal roof.
If you re mounting your weathervane on a cupola learn how to install a cupola here you will need a level a pencil a drill and a wrench or power driver.
If you are using the roof mount place a dab of roofing cement on the screws to prevent a leak.
If your house has a cupola that is an ideal location for the weather vane.
First you must choose your mount.
If not the ridge of the roof will work well.
We installed a layer of vycor self adhesive flashing tape as an added layer of weather protection.
Then use a hacksaw to trim the post.
If using a bracket you are essentially putting an intermediary between the stainless steel rod and the surface to which it is being attached.
Fasten the mount with the screws.
Use 3 inch 14 galvanized wood screws or self driving lag screws to secure the weathervane to the roof over the shingles.
Basic drilled installation method.
Each requires a modest amount of work that can be done in an afternoon.
Home video with description of how to assemble the easy metal weathervane.
Place the mounting rod that came with the weathervane in the mount and mark it about 16 inches above the roof or to the length specified in the mounting instructions.
This material helps sea around penetrating fasteners.