redzone1 Posted July 28, 2023 Report Share Posted July 28, 2023 The white caulk used on my 2018 Pathfinder 24TRS around the midship gunnell and around the helm has become a little tacky and easily picked with fingernail…..almost like this summer heat is cooking it and making it soft…I keep the boat under an open air shelter by the way. The white caulk was covered in the dreaded black mold when I first got the boat.. I put a light bead of soft scrub with bleach over the affected areas and let set overnight several months ago. They killed the mold, but I think it permanently softened the caulk MBG uses….I assume 5200. Am I crazy contemplating trying remove all of this existing caulk and then going back with black caulk? Should I use 5200 or 4200? Quote Link to comment Share on other sites More sharing options...
Moderator Posted July 28, 2023 Report Share Posted July 28, 2023 We have a few members who have replaced the caulk lines. Wait till they chime in and advise how they did it and what caulk they used.. 42/5200 is not for that !! Mod Marc Quote Link to comment Share on other sites More sharing options...
Lap it Up Posted July 28, 2023 Report Share Posted July 28, 2023 50 minutes ago, Moderator said: We have a few members who have replaced the caulk lines. Wait till they chime in and advise how they did it and what caulk they used.. 42/5200 is not for that !! Mod Marc Silicone is what is used. Quote Link to comment Share on other sites More sharing options...
SCFD rtrd. Posted July 28, 2023 Report Share Posted July 28, 2023 I think it was Headhunter that posted a very thorough post about removing and replacing caulk. Quote Link to comment Share on other sites More sharing options...
Fish5 Posted July 28, 2023 Report Share Posted July 28, 2023 Following myself! Quote Link to comment Share on other sites More sharing options...
HewesYourDaddy Posted July 30, 2023 Report Share Posted July 30, 2023 I've used a product called GooGone for removing old caulk. You will have to go over it a few times, but follow instructions and get after it. DO NOT used 4200/5200 as a caulk replacement. Quote Link to comment Share on other sites More sharing options...
HewesYourDaddy Posted July 30, 2023 Report Share Posted July 30, 2023 https://googone.com/caulk-remover Quote Link to comment Share on other sites More sharing options...
fishingfool485 Posted August 1, 2023 Report Share Posted August 1, 2023 This is the caulk the factory used on my 2020 25 hybrid. I’ve since had to do some touch up as well Quote Link to comment Share on other sites More sharing options...
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