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Author Topic:   REVENGE Deck Caulk

Slippery Eel posted 09-16-2008 08:33 AM ET (US)
In looking at the deck of the Revenge it is obvious that the seams need some attention. What kind of caulk is best to use on the seams between the deck panels.
From the articles I have read here it looks like any leakage between the seams will route into the channels under the deck and hopefully work their way into the sump well. Is that correct?
What-- if anything--do I need to worry about if there are areas that are missing caulk?
JMARTIN posted 09-16-2008 01:02 PM ET (US)
http://continuouswave.com/ubb/Forum3/HTML/000054.html
You might want to lift the deck, change out the fuel hoses, and remove any water you can get to. Pressure test the fuel tank also. It is a pain, but the fuel tank cavity is a poor design. There is not a good way for water to get out of it once it has found it's way in.
I try to remember to pop the deck access plates on my Revenge when stored inside. Evaporation is the only way to get some of the water out. John
jimh posted 09-16-2008 08:37 PM ET (US)
In just about all Boston Whaler boats which have an integral fuel tank located in a central cavity, there are caulked seams between the rest of the boat deck and the removable central deck cover. The purpose of the caulk is to provide a water-tight seal for the deck. Water on the deck--a common situation in any boat--should not run into the central fuel tank cavity.
In most cases if the caulk is missing or has shrunk so that it no longer provides a seal, water can run below the deck via the longitudinal seams, but it will generally run into the rigging tunnels molded into the deck. The Starboard rigging tunnel runs aft and into a cockpit sump. On the Port side there is often a similar tunnel, and the aft end of this tunnel usually terminates in a dead end. On some models, there is a drain hose that will drain this tunnel across to the Starboard sump.
On the transverse seams a leak will lead into the central fuel cavity. Water that enters the central fuel tank cavity will collect on the top of the fuel tank and may tend to drain aft. If enough water collects there is usually a drain to lead the water into the Starboard rigging tunnel and on to the sump. The foam around the fuel tank should not permit water to enter, however it has been seen that some fuel tank cavities have their foam saturated with water.
In general it is a good idea to keep water out of the central fuel tank cavity, and that in itself explains why there is caulk on the seams. If the caulk has failed, it is a good idea to repair it.
newt posted 09-17-2008 07:47 AM ET (US)
Home depot sells GE silicone caulking in "Almond" color. It is a very good color match but not very mildew resistant.

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Author	Topic: REVENGE Deck Caulk
Slippery Eel	posted 09-16-2008 08:33 AM ET (US) In looking at the deck of the Revenge it is obvious that the seams need some attention. What kind of caulk is best to use on the seams between the deck panels. From the articles I have read here it looks like any leakage between the seams will route into the channels under the deck and hopefully work their way into the sump well. Is that correct? What-- if anything--do I need to worry about if there are areas that are missing caulk?
JMARTIN	posted 09-16-2008 01:02 PM ET (US) http://continuouswave.com/ubb/Forum3/HTML/000054.html You might want to lift the deck, change out the fuel hoses, and remove any water you can get to. Pressure test the fuel tank also. It is a pain, but the fuel tank cavity is a poor design. There is not a good way for water to get out of it once it has found it's way in. I try to remember to pop the deck access plates on my Revenge when stored inside. Evaporation is the only way to get some of the water out. John
jimh	posted 09-16-2008 08:37 PM ET (US) In just about all Boston Whaler boats which have an integral fuel tank located in a central cavity, there are caulked seams between the rest of the boat deck and the removable central deck cover. The purpose of the caulk is to provide a water-tight seal for the deck. Water on the deck--a common situation in any boat--should not run into the central fuel tank cavity. In most cases if the caulk is missing or has shrunk so that it no longer provides a seal, water can run below the deck via the longitudinal seams, but it will generally run into the rigging tunnels molded into the deck. The Starboard rigging tunnel runs aft and into a cockpit sump. On the Port side there is often a similar tunnel, and the aft end of this tunnel usually terminates in a dead end. On some models, there is a drain hose that will drain this tunnel across to the Starboard sump. On the transverse seams a leak will lead into the central fuel cavity. Water that enters the central fuel tank cavity will collect on the top of the fuel tank and may tend to drain aft. If enough water collects there is usually a drain to lead the water into the Starboard rigging tunnel and on to the sump. The foam around the fuel tank should not permit water to enter, however it has been seen that some fuel tank cavities have their foam saturated with water. In general it is a good idea to keep water out of the central fuel tank cavity, and that in itself explains why there is caulk on the seams. If the caulk has failed, it is a good idea to repair it.
newt	posted 09-17-2008 07:47 AM ET (US) Home depot sells GE silicone caulking in "Almond" color. It is a very good color match but not very mildew resistant.