Predrilling will prevent the lag screws from splitting and cracking the wood.
Installing a tripod on the roof.
Insert two 14g 90mm or 100mm hex head roofing screws into the holes.
Unfold the tripod legs and loosen pipe support bolts.
Insert a mast pipe into the tripod and tighten pipe support bolts.
Pitch pad seals should be installed under the tripod legs.
Whatever you do do not put holes in your roof to attach your antenna.
Inserting a short pipe will provide a reference for level and make the tripod easier to handle.
Using a drill with a medium torque setting selected drive the screws back in.
Squirt a generous amount down the hole and then cover the area surrounding the hole on the surface of the tile.
There are tar pads sometimes called pitch pads that are placed between the tripod feet and the roof that the lag screws go through.
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.
Everything you need to know about securing a roof mount.
Squirt more silicon over the tops of the screws and smooth with your finger.
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.
With the leg platform firmly pressed onto the roof drill pilot holes in the two outside holes of the leg platform into the roof and rafter using a drill bit about half the diameter of the lag screws.
Using some components left over from a former satellite install made converting to an off air antenna rather easy.
Apply silicon to roofing screw holes replace the tripod base and put the roof screws back in place by hand.
Place the tripod on the roof peak.
Setting them up is fairly easy just straddle the ridge peak of the roof so the tripod is straight up and level then screw or bolt it down.
This is a good solution to prevent leaks.
Squirt silicon down the hole and around surface replace the tile roof tripod base on the tile and align the screw holes.
Place the tripod on the peak of your roof and screw in the leg bolts like shown in the figure below.
