Attach two jacks to the roof by pulling up a tab of one of the shingles sliding the top of the jack under it.
How to attach pump jack to roof.
Installation instructions pdf each brace is attached to the house at two points.
For the repair they should not be using clear silicone caulk the same stuff the put around the windows they should be using something that is approved for use on roofing tar or roof sealant.
Make sure to line up the jack perfectly with the rafter with the bottom butt of the rafter visible at the roof edge.
Manufacturer s product page for the braces.