SailNet Community

SailNet Community (http://www.sailnet.com/forums/)
-   Gear & Maintenance (http://www.sailnet.com/forums/gear-maintenance/)
-   -   Bottom Paint - how to identify what you have? (http://www.sailnet.com/forums/gear-maintenance/33744-bottom-paint-how-identify-what-you-have.html)

Preserved 06-17-2007 12:49 PM

Bottom Paint - how to identify what you have?
 
Hey everyone,

I just bought a Catalina 22 in great shape. What ever the bottom paint is on there is in fairly good shape. The previous owner did not know what was on there, now I don't either.

Is there a way to tell what it is? The bottom paint is reddish brown, and not particularly hard. I can rub it right off with acitone solvent with not too much trouble. Would this be an ablative coating??? Can I paint right over this? The hull itself is in fantastic shape. Very smooth and sound. No blisters from what I can tell. Boat is 1986, was moored some. but also sat in storage for a portion of it's life.

Thanks for any tips...

Jeff F.

Fstbttms 06-17-2007 09:49 PM

Any paint can be removed with a solvent, that's what solvent does. So that's not a particularly good way to identify the type of paint you have. If the boat was trailered in the past, it likely has an ablative, as ablatives are able to withstand extended periods exposed to air, unlike other anti foulings.

Regardless, assuming it is not something exotic and assuming you don't intend to paint over it with something exotic, you can paint over it. Ablatives can go over ablatives or epoxies and conversely, epoxies can go over epoxies or ablatives. Generally just sand and paint. Here is the West Marine Paint Compatibility Chart for reference:


<TABLE cellPadding=2 width=590 border=0><TBODY><TR><TD vAlign=center align=middle width=20 bgColor=#efefef rowSpan=8>http://www.westmarine.com/Images/wa/NewPaint.gif</TD><TD align=left bgColor=#5290d1 colSpan=7>Bottom Paint Compatibility Chart</TD></TR><TR><TD align=middle bgColor=#efefef colSpan=7>Old Paint to Remove</TD></TR><TR><TD width=110 bgColor=#efefef> </TD><TD align=middle width=70 bgColor=#5290d1>Modified Expoxies</TD><TD align=middle width=70 bgColor=#5290d1>Copolymers & Ablatives</TD><TD align=middle width=60 bgColor=#5290d1>Vinyl Paints</TD><TD align=middle width=60 bgColor=#5290d1>Sloughing Paint</TD><TD align=middle width=60 bgColor=#5290d1>Thin Film Paint</TD><TD align=middle width=70 bgColor=#5290d1>Vivid &
Tri-Lux 33</TD></TR><TR><TD width=110 bgColor=#5290d1 height=30>Modified Expoxies</TD><TD align=middle width=70 bgColor=#efefef height=30>Sand & Paint</TD><TD align=middle width=70 bgColor=#efefef height=30>Sand & Paint</TD><TD align=middle width=60 bgColor=#efefef height=30>Sand Well</TD><TD align=middle width=60 bgColor=#efefef height=30>Sand Well</TD><TD align=middle width=60 bgColor=#efefef height=30>Remove</TD><TD align=middle width=70 bgColor=#efefef height=30>Sand & Paint</TD></TR><TR><TD width=110 bgColor=#5290d1 height=30>Copolymers/Ablatives</TD><TD align=middle width=70 bgColor=#e8e9f7 height=30>Sand & Paint</TD><TD align=middle width=70 bgColor=#e8e9f7 height=30>Light Sand
& Paint</TD><TD align=middle width=60 bgColor=#e8e9f7 height=30>Sand Well</TD><TD align=middle width=60 bgColor=#e8e9f7 height=30>Remove</TD><TD align=middle width=60 bgColor=#e8e9f7 height=30>Remove</TD><TD align=middle width=70 bgColor=#e8e9f7 height=30>Sand & Paint</TD></TR><TR><TD width=110 bgColor=#5290d1 height=30>Vinyl Paints</TD><TD align=middle width=70 bgColor=#efefef height=30>Remove</TD><TD align=middle width=70 bgColor=#efefef height=30>Remove</TD><TD align=middle width=60 bgColor=#efefef height=30>Sand Well & Paint</TD><TD align=middle width=60 bgColor=#efefef height=30>Remove</TD><TD align=middle width=60 bgColor=#efefef height=30>Remove</TD><TD align=middle width=70 bgColor=#efefef height=30>Remove</TD></TR><TR><TD width=120 bgColor=#5290d1 height=30>Sloughing Paint</TD><TD align=middle width=70 bgColor=#e8e9f7 height=30>Sand
& Paint</TD><TD align=middle width=70 bgColor=#e8e9f7 height=30>Sand
& Paint</TD><TD align=middle width=60 bgColor=#e8e9f7 height=30>Sand Well & Paint</TD><TD align=middle width=60 bgColor=#e8e9f7 height=30>Sand
& Paint</TD><TD align=middle width=60 bgColor=#e8e9f7 height=30>Remove</TD><TD align=middle width=70 bgColor=#e8e9f7 height=30>Sand Well
& Paint</TD></TR><TR><TD width=120 bgColor=#5290d1 height=30>Thin Film Paint</TD><TD align=middle width=70 bgColor=#efefef height=30>Remove</TD><TD align=middle width=70 bgColor=#efefef height=30>Remove</TD><TD align=middle width=60 bgColor=#efefef height=30>Sand
& Paint</TD><TD align=middle width=60 bgColor=#efefef height=30>Remove</TD><TD align=middle width=60 bgColor=#efefef height=30>Clean
& Paint</TD><TD align=middle width=70 bgColor=#efefef height=30>Remove</TD></TR></TBODY></TABLE>

sailingdog 06-17-2007 10:15 PM

Sounds like an ablative, and unless you can positively identify it, I would not paint over it.


All times are GMT -4. The time now is 05:27 PM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
SEO by vBSEO 3.6.1
(c) Marine.com LLC 2000-2012