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Old 12-05-2007
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GeorgeB GeorgeB is offline
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Oops! I ment to post my previous response to the guy who owned the C36 with a heat exchanger problem. You should be able to disassemble your bulkheads too for easier access to the area. No matter what you do, you need to clean the area really well as these types of products don’t stick well to greasy surfaces. Make sure the surface being covered has a little “tooth” to it. I have had success with spraying white gelcoat over a masked off area. I use one of those throw-away spray bottles you get at the home stores and thin the gelcoat with a little acetone. On your flat bulkhead surfaces, have you considered using some de-coupling sound insulation? I remember reading somewhere that properly vented engine compartments should have an ambient air temperature no more than 120 degrees F so any barrier coating or gelcoat should work fine.
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