need a refresher course in sealing

[dreadydreame]

My husband and I have a 65 overlander. We did a lot of restoration to it several years ago and replaced the bathroom floor. We sealed all the seams and thought we had the leaking under control. Then my husband lost his job and we had to move away and leave her behind for 3 1/2 years. During our time away she sat unattended. I just did a small inspection and found that about an inch of the floor at the very back is soft. This is so discouraging and upsetting I just want to bang my head on the desk! Anyway, I'm pretty sure the best course of action is going to be ordering new sealant and working from the back to the front. Any other ideas? We used volcum on the very bottom edge in the back and around the lights and window gasket corners and used parbond for the seams and around the windows etc. Did we do this wrong? what about the Alcoa gutterseal? We have never used that.

How do I go about removing the old sealant?
What is the best way to repair the tail light housings (they cracked again)?
How often do we need to reseal everything as far as maintenance?
what is the first spot I should look for a leak?

[perryg114]

There are 1000 places for stuff to leak. If the floor is rotten all the way across the back you are going to have to do more than just patch and caulk. If you really want to find the leaks, there are RV places that can put a big blower unit on your trailer to pressurize the inside and then they put soap on the outside to look for bubbles (leaks). There are some who have adapted a leaf blower to do this.

Perry