I would but a little caulk under the head and on the screw just before it contacts the wall if it is going into wood. You don't want to make it to permanent because a blowout will usually damage it. Some of mine are into the metal, some in wood wall.
They ran a bead of sealant around the outside edges on one but I don't think it's needed.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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