[JSH]

Originally Posted by freebeard

Silicone probably not adhering to the edge of the sheet metal.

Ream the hole if necessary and find a plastic 1/4" hole plug?


s.yimg.com/aah/yhst-16933743911250/1-4-white-plastic-hole-plugs-plug-buttons-caps-flush-type-44.gif

I have 5 of those in the roof of my ambulance where they removed the light bar. They used silicon and those plugs and 3 out of 5 of them leak. Right now I have duct tape (The aluminum tape actually used for ductwork) over the top as a temporary fix.