Caulking skylights in 340

Our Diversion

Member
Aug 8, 2009
80
Western Lake Erie, Lake St. Clair, St. Clair River
Boat Info
2005 340 Sundancer, Bow thruster, Raymarine C80, Kholer 5kW genny, Tracvision M3. NAME: AfterParty
Engines
Mercruiser 8.1's
I noticed the caulking is dry and brittle and missing in some areas around the two circular skylights. Has anyone re-caulked their skylights and what product did you use?

Kim
 
Last edited:
3M 4000 is UV stabilized. worked great and held up well.
 
My port lights were not leaking so I removed all the loose caulking, carefully masked the area so as not to make a mess and laid in a smooth bead of 3M 4000 (white).
 

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