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  Pin holes in sprayed Gelcoat

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Author Topic:   Pin holes in sprayed Gelcoat
Moby posted 04-26-2002 11:29 AM ET (US)   Profile for Moby   Send Email to Moby  
I will be attempting to re-gel the inside of my Montauk. To get a little practice in spraying gelcoat, I shot the console. Overall, it looks good, except for a few places where pinholes appeared. Does anyone have any ideas what causes this? (Air Pressure too high/low, too much/little reducer, etc..)
Thanks.
cinco de whaler posted 04-27-2002 09:15 PM ET (US)     Profile for cinco de whaler  Send Email to cinco de whaler     
I just had my 22' Outrage re-painted and on the console, the guy rolled the paint first then sanded ageain and then sprayed the final coat. It covered the spider cracks and all inperfections. Turned out great.
rsgwynn1 posted 05-01-2002 09:18 AM ET (US)     Profile for rsgwynn1  Send Email to rsgwynn1     
Did you have the hull done too? I eventually want to do this to my Revenge 22. How much is it going to hurt?
70_Katama posted 05-01-2002 09:49 AM ET (US)     Profile for 70_Katama  Send Email to 70_Katama     
PIN HOLING

Tiny holes in the finish caused by surface porosity or other imperfections in the substrate. Pin holing is sometimes confused with or inaccurately described as solvent popping.

Causes:

Imperfections in the substrate.
Substrate surface porosity.
Insufficient amount of reducer

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