300/440/550 Hull material/paint

S

STOOPIDSKI

Location
PA
I am looking to paint a 1987 js300 hull (bottom half only at this time) what is the hull made of? ive heard a sheet molded compound? if so what is that plastic? also what kind of paint should be used when spraying that material or whatever the hull is actually made out of.

any and all help would be appericated
Thank you
 
screaming440

screaming440

The Old Skool Professor
Location
KC/Lake of The Ozarks
it is basicly fiberglass. So you do the repairs with fiberglass. a lot of people on the board claim that you have to use epoxies but i have always used polyester. i have skis that i did major repairs to with polyester over 20 years ago that still own and have had no problemes with the repair.

there are also fiberglass fillers like "bondo" that are good for small repairs like a gouge and the are good for finishing larger mat/cloth repairs too.

after you are done with the body work use a polyester primer, like evercoat featherfill. it is really thick and so you can block out most inperfection.

most people just spray automotive paint when doing complete paint jobs. there are gelcoats too but they are mostly useful when trying to blend a repair into the factory gelcoat.
 
B

Bar Tab

Location
Los Gatos
The hull is made of SMC not Fiberglass and I would use epoxies for the resin over polyester. Polyester resins do have issued bonding to SCM.
 
onedumbtrucker

onedumbtrucker

Now with 20% more pulp.
Location
London, ON
Evercoat makes an SMC resin designed specifically for repairing...you guessed it, SMC! Use it with typical fiberglass mat (for structural repair) or chopped strand (for filling gouges).
 
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