Haven't used this stuff but googled it.
It don't think this is what you want to use.
I have used the 3M glue 08115 on the floor pan and trunk floor of my 66 Polara.
3 Years and still going strong.
Yes, i read and followed the instructions for best results
View attachment 218944
@halifaxhops!View attachment 218963 What about this stuff. No applicator gun needed. $14.99 at Home Dopot.
Mig or oxy/acetylene hasn't failed in near 100 years.
It’s just a low budget crappy ole race car & im using it as a test bed to try stuff on.OMG I sound like Stan....
Trying to use stuff I got & I want to try this stuff. Low budgetThat looks like a non structural area. You're going to have to blast/clean it anyway to use that panel bonding glue so I'd just mix up some Marglas filler (fibreglass strand reinforced bondo) to plug the hole, sculpt it up pretty and call it a day.
Kevin
What? Oh yeah FLEXSEAL!