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Old 18 June 2014, 02:29   #1
Country: UK - England
Town: Gillingham
Boat name: Harrys Game
Make: Avon WB 450
Length: 4m +
Engine: Yamaha F50
Join Date: Jan 2014
Posts: 91
Gel Coat

J have chipped quite a bit of gel coat from the underside of the bow on an Avon rib. Despite contacting three suppliers I cannot get a technical response so here goes: can I build gel coat up ie put one coat on wait an hour or so and mix a fresh batch up and apply or do I have to sand it down or what also can I not use like a gel paste which would be thicker and therefor only require one coat? Thanks in anticipation. Regards Jim

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Old 18 June 2014, 06:19   #2
Phil M's Avatar
Country: UK - England
Town: Whitehaven
Boat name: Cerberus
Make: Destroyer 5.8
Length: 5m +
Engine: 115hp Merc 4st
Join Date: Oct 2012
Posts: 462
If it is chips and dents you need to repair, you can get gel coat repair paste. Put on like filler and sand flat/polish until shiny again. If it is general abrasion over a larger area but nothing of any depth, then flow coat and sanding/polishing may be the only way. In my experience on a white hull, I've never managed to get a good colour match though as the old gel coat is slightly yellowed (beyond what oxalic acid will fix).


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Old 18 June 2014, 12:04   #3
Country: Canada
Town: halifax
Make: zodiac,bombard
Length: 4m +
Engine: 20hp,50hp Johnson
Join Date: Mar 2013
Posts: 44
what I do if fill the chip in with "water weld" then sand it to just below the edge, then gelcoat over it all. then wet sand smooth
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