Re-caulking companion way hatch cover - SailNet Community

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Old 09-16-2013
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Re-caulking companion way hatch cover

The seams of the cover over the companion way hatch on my Catalina 36 MkII "have given up" and (rain) water now makes its way from there to the cockpit. I have to remove and replace the caulking. Since this is a cover that may need to be removed, what sealant should I use? And, other than patiently scraping away what is there (original factory applied sealant) and cleaning with paint thinner, or similar, is there an other, efficient way to remove the old sealant?

Many thanks for advice!
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Old 09-16-2013
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Re: Re-caulking companion way hatch cover

I used butyl tape and it seems to be working well. Getting the old sealant up is a PITA, because the PO on my boat used silicone. I wound up having to sand it out after I had scraped off the big stuff.
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Old 09-17-2013
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Re: Re-caulking companion way hatch cover

I found Acetone and 3M Adhesive remover works well, along with patience and scraping. Soak the area and let stand after spraying with the 3M remover. Recommend a mask to help with fumes and gloves. The black disposable gloves work better than blue nitrile or vinyl gloves. Butyl tape is good, I also use and like sikaflex 291 and 3M 4200.
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