You will soon learn that Fiberglas is one of the most forgiving materials
too thin - no problem just make it thicker
to thick - no problem make it thinner
if if you cannot currently access the exterior you can still do the interior patch work and do the exterior later when you get proper access.
yes you can still grind I would just give it a day or two to fully cure
well i jut watched his videos on the hole repair. he goes with first csm, 1708 then two more csm.... seeing this is in a stringer bed, i will follow it, but i just hope i dont make it two thick.
If you use it consistently yea that work great. It don't go bad as fast as advertised. I still using what is left of mine to do bodywork on cars. Just keep it shook up and dont let it freeze
Maybe Get a 4litre /gallon jug and refill it as needed from the 5 gallon pail.
i use a cheap plastic measuring cup for measuring each batch
Pouring resin from a 5 gallon jug is dead simple...
lay it on its sidit and roll it so the spout is at the highest point.
put your container on the ground under the spout and slowly rotate the bucket till resin comes out, control the flow by rotating the bucket