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need advice: bought a Brat from CALI, no rust.....will not drive it lots in winter here in Iowa, but I want to undercoat the entire underside and behind the front fenders.

I read a thread "Use the delaney family special... three parts blind nailing cement, one part varsol solvent or paint thinner, mix well, use shitty brush to paint on

we have cars where this was done 20 years ago, and you can still make a slight impression with your fingernail, it never becomes brittle

the rubberized shit doesn't stick nearly as well, fails to fill cracks and gaps well, and tends to harden and crumble after a few years

blind nailing cement is the stuff that comes in buckets, used for putting a stripe on shingles for very steep roof applications, Home Depot should have it

undercoating for pennies"

Does anyone else have experience with this nailing cement stuff?

can you spray it on in a undercoating gun? I want to protect the bottom of my Brat as good as possible.......

Clean any issues up first. Spray any exposed metal with galvanizing spray (zinc spray at electrical suppliers) before. Never heard of the nailing cement, but it sounds interesting. I also was told that spray in bedliner works well, but I never tried it. It's much cheaper if you DIY and get all the stuff at an auto body supplier. My friend who restores Lotus and other cars recommends it.