underbelly sealant

esbeasley

Member
I need to cut into the underbelly on our 3580 and was wondering what should I use to repair the cut ? Dropping the underbelly is not my first choice as the beams from the MorRyde IS is in the area I need to get to. Naturally.
 

PUG

Pug
Gorilla tape does pretty well. While under there check the domestic water tank supports. Mine only had plywood laid between two beams. I filled it and it was hanging down and sagging badly. I cut and welded some supporting angle iron between the beams and then put the plywood back. While doing this I also but some spacers on the high side of the tank to get the water to flow to the downhill side where the outlet fitting is.
 

porthole

Retired
Black Gorilla tape to tape the seams and silicone caulk to glue it back to the edges of the frame.

If you are pulling the underbelly down from around the sanitaiton pipes you will need some garden pond expanding foam (Home Depot) to reseal that area.
 
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