: Hello Mark,

I had the same problem when building my boat. What I ended up doing was just wating an extra day or two for the epoxy to cure. I did most of my glassing in the winter months (with garage temps in the 50's). I found I had to wait 3-4 days before the epoxy would cure enough to sand without gumming up. I'm currently doing some repair work on my boat and even now with the daytime temps around 80 I still find I have to wait at least 2 full days before I do any real sanding. Bottom line...give the epoxy a bit more time to cure. Hope this help.

I think I began sanding to level the surface of my hull too soon.
: When sanding, the epoxy resin loads up the paper quickly and
: also leaves gummy residue on the boat. How long is it customary
: to wait for the resin to cure before sanding? I have used RAKA
: epoxy resin mixed 50/50. What is the recommended procedure to
: remove the areas of gummy residue ?

: Thanks,
: Mark