Sealing Weathertech floor mats.

For those of you who have sealed the extra floor hooks holes on your Weathertech mats, what did you use? I tried some black silicone, but I don't think that worked out too well.

 

On my 4Runner I used painters tape to seal off the back and then filled with clear silicone. Worked well. Trading in the 4Runner next week on a new Tacoma.

 

I used JB Weld after taping off the underside with masking tape. A close match color wise if you have the grey mats.

 

I added some gorilla glue into the mix and that seems to be holding ok now so far.

 

This....