BEst Material for fillign Very fine gel coat cracks

[Tom Smyth]

Got a restoration am doing and along the seam where the hull and deck are glassed together is a series of very fine cracks in the gel. You almost cant feel these and it almost looks like the gel has dried out some.

THe usual filler I use is too coarse to even consider filling these. Have to be something very liquid I think. any one got ideas on the best way to fill these? boat will be primed and painted.

thanks

[outasite]

Not an easy fix,hairline gel cote cracks need to be ground out, and a polyester filler used to fair it back in.Somebody else may know of another way,but that's the only process I have seen.Otherwise they will pop right back through.

[tunnels]

Not an easy fix,hairline gel cote cracks need to be ground out, and a polyester filler used to fair it back in.Somebody else may know of another way,but that's the only process I have seen.Otherwise they will pop right back through.

need to use a orbital sander and sand the gel coat off the affected area just back to the glass below!!, that gets rid of the cracks you can see and some others that you didn't see and any other damaged gel!!, then re spray it back to the right thickness again and when hard sand and polish back again , its the easiest and surest way to get rid of those marks ! the gel is like egg shell but the glass below the surface possibly wont have any signs of cracks, have done this on stress and star cracks in big areas and never comes back ever again !!

[aalbert]

I have tried generic polyester fillers, used to use 3m Premium marine filler a lot, and now pretty much stick to System3 Silvertip Quickfair.. Spreads nicely, fills pinholes well, and easy to work with.

http://www.systemthree.com/store/pc/...ikFair-c17.htm