26 Sedan construction

[Kurt Reimer]

We have a 1973 26’ Sedan and I was wondering about how the flybridge is attached. The caulking along the outer edge of the “floor” of the upper bridge is needing replacement but does it even matter? I’m assuming the main cabin is a completely sealed unit with the flybridge simply perched on top. If that’s true, any water “leaking” through the crack in the floor (roof of the main boat) would simply run outside. Can anyone shed some light on the actual construction of these boats and the integrity of the cabin? Thanks!

[dan leenhouts]

Behind the inside face of the flybridge is a is a strip of 1.5x1.5 wood. This strip is   anchored top of the cabin with a screw every 4-5 inches. What happens is the water soaks into the wood strip. Water leaks down the screw holes and into the balsa wood that is sandwiched between the top deck and the inside of the cabin. It also works down into the sides.  There is a 3/4  inch piece of wood on the outside of the cabin and fly bridge you  can see the bottom of it just above the windows.This get wet and rots too. You really  want to seal up the inside of the fb.  Keep it dry. Many of the 26 and bigger have dealt withe this problem the is a great knowledge base here.

On Thu, May 2, 2024, 9:33 AM Kurt Reimer <737...@gmail.com> wrote:

We have a 1973 26’ Sedan and I was wondering about how the flybridge is attached. The caulking along the outer edge of the “floor” of the upper bridge is needing replacement but does it even matter? I’m assuming the main cabin is a completely sealed unit with the flybridge simply perched on top. If that’s true, any water “leaking” through the crack in the floor (roof of the main boat) would simply run outside. Can anyone shed some light on the actual construction of these boats and the integrity of the cabin? Thanks!

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[Kurt Reimer]

Thanks Dan! (I’ve replied twice but somehow it hasn’t gone through…)

This makes sense and we likely have a problem (although I haven’t noticed any evidence of it in the ceiling of the cabin). Would you recommend removing the flybridge (as in your pics) prior to a good caulking job?

[dan leenhouts]

A lot depends on how the boat was stored. If it was undercover, your boat may be in perfectly shape. I'd clean that edge up and just run a bead of caulk around it. If you find that board sandwich between the fiberglass and the cabin just above the windows rotten, then you might want to think about pulling the flybridge off and installing new wood. 

To view this discussion on the web visit https://groups.google.com/d/msgid/tollycraft-boating-club-forum/9baa98ef-0f8b-435d-bcb7-966bbaced7e8n%40googlegroups.com.