If you feel you need a stronger mounting you can drill holes through the roof locate them on the underside of the roof and install 2x blocks between the roof joists under the drilled holes.
Install antenna tripod on roof.
Now let s see what we can pull in from 45.
Unfold the tripod legs and loosen pipe support bolts.
You can also buy non penetrating mounts that use weights rather than screws to hold them in place.
Pitch pad seals should be installed under the tripod legs.
Insert a mast pipe into the tripod and tighten pipe support bolts.
Using some components left over from a former satellite install made converting to an off air antenna rather easy.
Squirt more silicon over the tops of the screws and smooth with your finger.
You can then secure the tripod to the blocks using lag screws or machine bolts through w washers nuts.
Once the tripod is securely fastened to the roof insert the mast into the top of the tripod until it reaches the bottom mast holder bracket.
Inserting a short pipe will provide a reference for level and make the tripod easier to handle.
Insert two 14g 90mm or 100mm hex head roofing screws into the holes.
Whatever you do do not put holes in your roof to attach your antenna.
Squirt a generous amount down the hole and then cover the area surrounding the hole on the surface of the tile.
Squirt silicon down the hole and around surface replace the tile roof tripod base on the tile and align the screw holes.
Tighten the screws until the mast is secure.
When the tripod is level firmly press the centered leg platform with the sealing pad to the roof directly over a roof rafter.
Apply silicon to roofing screw holes replace the tripod base and put the roof screws back in place by hand.
How mount an antenna on your roof in order to mount an antenna on your roof without damaging it you should attach the antenna to the gable the fascia or the chimney.
Using a drill with a medium torque setting selected drive the screws back in.