Somebody scared me away from using this once as they said it was HIGHLY FLAMMABLE...

So I went searching for the official 2-part expanding foam and couldn't get past the price.

So I did a little experiment with a $5 bottle of great stuff... With a direct flame on a completely cured foam sample, it only mettled a bit and scorched.

I don't see what the big deal is about using this to fill in nose cones and even possibly fin cans.

Or maybe I'm missing something? Looking for everyone's thoughts on "Great Stuff" by Dow.

Thanks, Andy in Houston