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Sure why not as long as it has a clean surface to bond to. I can't imagine ripping it all off to fix just a small patch. Hey and if the patch job doen't work then go to the extra trouble and expense of taking that stuff off.Ehhhh...
 
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You should try to chip away at the edges to make sure there is nothing else loose. After that then sand the edges down so the coat-it plends into the alluminum. Sand about six inches around baren spot. Then spread the coat-it over the bare alluminum and the existing coat-it. This should make it last
 

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I would think you can patch it. I would peel the existing off until the coat-it is fully adhered. Prep the aluminum and the edge of the existing coat-it and apply the new coat-it. I just went to the TAP plastics website to see if they had any info on it. Couldn't find any. I have a couple of cans of it at home. I will see if there is anything on can about repairs.

Steve :cheers:
 

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I have done this a couple of times - you can patch it. Biggest challenge with coat it is getting it to adhere.

Here's the trick:
- remove all the loose/nonadhered stuff. I used a putty knife and paint scraper
- Rough up the exposed aluminum bottom underneath and edges of coat it (2-3" overlap) with 100 grit Sandpaper (sanding wheel goes the fastest but you can do it by hand)
- Get the area you want to coat very clean. I scrub first with soap and water then use alcohol to make sure its very clean and dry.
- put on the coat per the directions. Its best to do this in warm weather outside in the sun. I wouldnt even try it less than 60 degrees - takes forever.
- Use a high quality roller with tough/short knap. the cheap ones turn into spackling compound

first time i put the stuff on, i didnt do it right and about 40% came off in a year. The next time I patched it per the above directions - no problems.

good luck
FF
 

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I discovered a crack in my drift boat Coat-It. I broke off the lose portions to reveal some minor pitting and a small dent. The edges of the Coat-It look to be adhering OK, but now I need to know if I can patch the spot after preparing the aluminum or do I need to redo the entire bottom? If I can get the Coat-It to adhere to the edges of the older coat I can get that done on the first warm day. If the entire bottom needs to be done I'll be looking to rent a shop for a couple days or wait until July.

The bare aluminum measures about 16"x 12". I'm sure if I used it drifting, that would be where a rock would bite again. The bump came on the McKenzie last year just upriver of Hayden bridge. I didn't see the crack until now.
 

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Thanks Fish Forever from another Hillsboro resident. Thanks for mentioning the alcohol in the prep work. I've ordered the two pounder Coat-It from TAP.
 
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