Ed wrote:
I am doing some extensive repairs to a twenty-five year old fiberglass/balsa
core cabin top, I would like to use that "putty" colored antiskid stuff.
I've forgotten who makes it (it's a paint treatment) interlux? It has the
right aggressiveness.

Save yourself a lot of money, just stir a handfull of CLEAN DRY sand
into each litre of whatever gloss paint you would normally use.