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Old 11-25-2005, 08:32 PM   #15
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Great - will do for the warm front and rain that is coming. Glad it won't stop me from replacing the vents tomorrow. THX
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Old 11-25-2005, 08:35 PM   #16
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JimmyJames,
A lot of it will depend on what the caulking is, there are a few commercial silicone removers on the market and they aren't cheap. One that I have used with some sucess is a citrus based solvent, the other is a automotive gasket remover, both of these are detrimental to the clear coat...if you still have any left. BTW the gasket remover spray was some super duper stuff from JEG's. I will try and find the name of the other stuff but it was about $50 a gallon I also use MEK (methy ethyl ketone) I would reccomend at the very least using a pair of chemically resistant gloves with it.

Aaron
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Old 11-25-2005, 08:40 PM   #17
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Oops, Dusty makes a good point. Perhaps I was being alarmist. I caution others on the risk of using or buying Methylene Chloride when I should not have. My apologies.

Since information has "survival value", here is some more information on the stuff. Don't concern yourself unnecessarily, it sounds like you have to be sick already or expose yourself for a while before this could pose a "real" risk. It just seemed like a nasty chemical to me when I used it but I'm a chemical pansy. I can't even be around people who smoke....consider the source.

EPA Hazard Summary-April 1992; Revised in January 2000
Methylene chloride is predominantly used as a solvent. The acute (short-term) effects of methylene chloride inhalation in humans consist mainly of nervous system effects including decreased visual, auditory, and motor functions, but these effects are reversible once exposure ceases. The effects of chronic (long-term) exposure to methylene chloride suggest that the central nervous system (CNS) is a potential target in humans and animals. Human data are inconclusive regarding methylene chloride and cancer. Animal studies have shown increases in liver and lung cancer and benign mammary gland tumors following the inhalation of methylene chloride. EPA has classified methylene chloride as a Group B2, probable human carcinogen.
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Old 11-26-2005, 08:33 AM   #18
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After reading your posts last night, I got nervous so I read the JASCO can. The exact wording was "This product contains a chemical known to cause cancer in California" Slept well knowing that I am safe here in Alabama where I can only assume that it does not cause cancer. I can't stand smoke either but was not particularly chemical shy until I met my first can of JASCO. Anyone considering using the stuff should be in full painters suit with neck protection, full face protection including goggles to even think about using it. I would also recommend a clean container of fresh water with a cloth for flushing your skin within 5 feet of the area for accidental exposure. I have been stung by wasps that did not hurt as bad as microscopic drops of the stuff. I am headed to the hobby shop to spend a gleeful day on top of the silver baby replacing, scraping and sealing.
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Old 11-27-2005, 08:21 PM   #19
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Originally Posted by JimmyJames
Soooo, the burning question remains. How to remove a sea of goop of every describable kind. I have heard acrylic razor blades (to prevent scarring the aluminum). I used a regular razor blade but applied 2 doses of skill and patience and managed to get a small baseball sized area of some kind of sealer off successfully.

What to do when there is a large area ? In another case, I had more to remove and the stuff that I was taking off (kinda rubbery and black but not silicone) came off with Methylene Chloride, it bubbles it off. It is found in chemical paint strippers. A common one is Jasco, but a word of warning - it does not feel good when you accidental get even microscopic specks of it on your skin. It feels like you are being stung by a horsefly.

Also, it is carcinogenic and should only be applied in the presence of an organic vapors, fitted respirator. Aside from this I have limited experience and was hoping someone had better or more appropriate methods for taking of dried on goop and caulks. I have a bad job of silicone to take off around some of my vents this spring or summer and was hoping for some help.

On behalf of the Lacy's.
Check out the following company website for a product that I discovered that really does help with removing silicone caulk. The product is called Amtex-CCR.

http://www.amtexchemical.com/pages/13/index.htm

It does help to remove what you can easily get off with a razor blade or scraper of some kind and then let the chemical do the rest.

Malcolm
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Old 11-30-2005, 07:14 PM   #20
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Be careful

Thank you malconium !

Don't underestimate chemicals when working on your coach. Read the warnings and do what they say... signed:

A chemical pansey.
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Old 12-01-2005, 07:38 AM   #21
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TO wet and to cold

All this sounds great, we have not made it up there due to cold temps and when it does warm up it rains I just love the south. We have decided to rent a lift so we can get up there and try not to do damage. We tried the ladder but my husband is a little on the heavy side se we were afraid we would do damage.
After I got off the ladder my 7 year old son knocked the ladder into the trailor I went into a over done panick but no dent thank goodness.

We are so lucky to have one very very small dent down at the bottom.

The Lacy's
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