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12ft aluminum boat restoration

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  • 12ft aluminum boat restoration

    Hi everyone, I just picked up a old 12ft aluminum boat for free from a neighbor. But it has a huge dent the size of a dinner plate and roughly 1" deep. Is this going to affect the boat in any way other than looks? Should I try and bang it back in place? Also It is currently painted red but it has lots of scratch so I want to repaint it. Whats the best and cheapest way to do this? I don't want to spend too much money but I want it to look decent. This boat will be mainly used to go into shallow/rocky areas where I can't take my big boat.

    Can I just pressure wash off the old paint and then use a good oil based paint followed by ordinary house paint and a clear coat?

    I also want to install a plywood floor with carpet and insulation board for extra flotation. Whats the best way to do this?

    One last thing, how fast will this thing go with a 50lb thrust trolling motor?

    Thanks


  • #2
    Re: 12ft aluminum boat restoration

    Free is a great price ecspicially if you have a means to register it with your state or.. just noticed you were from canada anywho.. The big dent try a rubber mallet or leave it just depends on you. If you want a nice looking little boat beat the dents out with the mallet with some sort of backer; ie hammer on one side and a flat piece of something on the other like a wooden block. \
    As far as paint take you some scotch bright or steel wool and rough up the old paint so the new paint will stick and paint It however you like.

    From what I have read and heard so far on floors in alumium boats just don't use pressure treated wood in an aluminum boat it causes a reaction that will cause holes to form in you boat
    A 50 lb trolling motor will definately get you around a small lake but i'm sure you know you are not going to tube behind it.

    Comment



    • #3
      Re: 12ft aluminum boat restoration

      Say I just sanded the old paint a bit and then just painted right over the original paint with ordinary house paint. Would it look okay? I don't mind if I have to repaint every couple years.

      Here's some pictures of the boat.

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      • #4
        Re: 12ft aluminum boat restoration

        Hi Gabe (and family). Welcome to iboats. Free boats are always good. Unless the dent is causing a leak, it's actually best to just leave it alone. Trying to beat it back out, would actually weaken the aluminum and do more harm than good. Not to worry, a few dents and dings give aluminum boats character. As jc alluded to, there are a few basic rules when it comes to working on aluminum boats. 1) Never use pressure treated lumber. The metalic preservatives in the wood will have a galvanic reaction with the hull which will lead to pitting and metal fatigue. 2)Instead, use non-PT exterior grade plywood and seal it using any one of a variety of methods. For your project, I would suggest simply using several coats Spart Urethane. You should be able to get both the wood and urethane at any hardware store. 3) Be sure to use stainless steel hardware to mount the transom and any other wooden components to the hull. While SS and aluminum are dissimilar metals, they will not have a similar galvanic reaction as the PT wood and hull. Use some 3M 5200 marine caulk/sealant on any through-hull bolts as well. You can get it at the hardware store too. Lots of folks use small SS sheet metal screws and/or aluminum pop rivets to attach the deck to the ribs of the hull, should you choose to install one yourself. That's really about it. (no PT wood, seal non-PT instead, use SS or aluminum hardware throughout). Good luck with the project. Holler if you get stuck, eh.

        Comment



        • #5
          Re: 12ft aluminum boat restoration

          I'm not sure what the Canadian equivilant is, but use something like Rustoleum Pro:


          For extra durability, hardness & shine, you can add an enamel hardener:


          Prep for paint w/ 180grit wet/dry sandpaper

          Prep bare aluminum with Zinc Chromate primer:
          [IMG]http://www.********************/mm5/graphics/00000001/MOE-025472_med.jpg[/IMG]

          Here is a really helpful guide:
          "Paint Your Boat for Under $100 Bucks"
          60 Glastron FireFlite 63 SC Jet:Bedliner SURVIVOR Fit 2B Paddled 57 Duracraft
          Money spent @Boat Restoration should be measured in Smiles & Pride
          Majic 3/2004~12/2011

          Comment



          • #6
            Re: 12ft aluminum boat restoration

            Originally posted by kfa4303 View Post
            Hi Gabe (and family). Welcome to iboats. Free boats are always good. Unless the dent is causing a leak, it's actually best to just leave it alone. Trying to beat it back out, would actually weaken the aluminum and do more harm than good. Not to worry, a few dents and dings give aluminum boats character. As jc alluded to, there are a few basic rules when it comes to working on aluminum boats. 1) Never use pressure treated lumber. The metalic preservatives in the wood will have a galvanic reaction with the hull which will lead to pitting and metal fatigue. 2)Instead, use non-PT exterior grade plywood and seal it using any one of a variety of methods. For your project, I would suggest simply using several coats Spart Urethane. You should be able to get both the wood and urethane at any hardware store. 3) Be sure to use stainless steel hardware to mount the transom and any other wooden components to the hull. While SS and aluminum are dissimilar metals, they will not have a similar galvanic reaction as the PT wood and hull. Use some 3M 5200 marine caulk/sealant on any through-hull bolts as well. You can get it at the hardware store too. Lots of folks use small SS sheet metal screws and/or aluminum pop rivets to attach the deck to the ribs of the hull, should you choose to install one yourself. That's really about it. (no PT wood, seal non-PT instead, use SS or aluminum hardware throughout). Good luck with the project. Holler if you get stuck, eh.
            Thank you very much for the info.

            Comment



            • #7
              Re: 12ft aluminum boat restoration

              Originally posted by jbcurt00 View Post
              I'm not sure what the Canadian equivilant is, but use something like Rustoleum Pro:


              For extra durability, hardness & shine, you can add an enamel hardener:


              Prep for paint w/ 180grit wet/dry sandpaper

              Prep bare aluminum with Zinc Chromate primer:
              [IMG]http://www.********************/mm5/graphics/00000001/MOE-025472_med.jpg[/IMG]

              Here is a really helpful guide:
              "Paint Your Boat for Under $100 Bucks"
              Thanks man, hopefully I'll get it painted this weekend

              Comment



              • #8
                Re: 12ft aluminum boat restoration

                I found this paint:
                http://www.canadiantire.ca/AST/brows....jsp?locale=en

                and this primer:
                http://www.canadiantire.ca/AST/brows....jsp?locale=en

                I can't find the zinc primer or the enamel hardener. However tremclad says that the paint is suitable for paint an aluminum boat as long as it is above the water liner. I also read on some forum that some guy said he used tremclad paint by without a primer and that it's been holding up for 15 years.

                So I think I'm just going to lightly sand the current paint and use the tremclad rust paint. Even If it doesn't work I'm only out $10. I also don't want to spend too much money anyways since it's not my main boat.

                I promise to post pics when I start working on it


                EDIT: I just found a can of tremclad rust paint in fire red and a can of tremclad clear coat. So it looks like my paint job is going to be free.

                Comment



                • #9
                  Re: 12ft aluminum boat restoration

                  free is good..... and fire red is hot!

                  Comment



                  • #10
                    Re: 12ft aluminum boat restoration

                    Update:
                    I did a lot of work on the boat this weekend. I ended up removing most of the paint with a combination of a pressure washer, paint remover and a scraper. Next I washed the hull with soap and water and applied vinegar to the areas I was going to paint. After it all dried I taped it and did 1 coat of tremclad rustpaint. I'll do another coat next weekend.

                    Things to do:
                    - Finish painting the outside
                    - Paint the inside (should I just use the same paint I did on the outside?)
                    - Make/replace the rear corner brackets
                    - Replace the transom

                    Click image for larger version

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                    Oh and here's pic of one of the previous owners repair job. Should I trust it?
                    Attached Files

                    Comment



                    • #11
                      Re: 12ft aluminum boat restoration

                      Oh and here's pic of one of the previous owners repair job. Should I trust it?
                      In the pic it looks like a good weld, so long as it doesn't leak I'd trust it.

                      Comment



                      • #12
                        Re: 12ft aluminum boat restoration

                        How to you guys recommend replacing the transom brackets? Could I just take a 2x6 and cut it into a triangle shape and screw it on? Seems like the easiest and cheapest method.

                        Kinda like this:
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                        Edit: Sorry not sure why that picture came out so small.
                        Attached Files

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                        • #13
                          Re: 12ft aluminum boat restoration

                          Hello again Gabe. You've got the right idea with the basic shape of the brace, but I would suggest you use aluminum angle/stock instead. One 10' stick of 1" x 1" x 1/8" and some small stainless steel nuts and bolts, or rivets and a bit of 3M 5200 on the portion you bolt/rivet through the floor, should be enough. You can get everything you need at most Lowes/Home Depot stores.

                          Click image for larger version

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                          • #14
                            Re: 12ft aluminum boat restoration

                            Originally posted by kfa4303 View Post
                            Hello again Gabe. You've got the right idea with the basic shape of the brace, but I would suggest you use aluminum angle/stock instead. One 10' stick of 1" x 1" x 1/8" and some small stainless steel nuts and bolts, or rivets and a bit of 3M 5200 on the portion you bolt/rivet through the floor, should be enough. You can get everything you need at most Lowes/Home Depot stores.

                            Click image for larger version

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                            I think we have a misunderstanding I need the brackets for the rear corners.

                            Comment



                            • #15
                              Sign up today
                              Re: 12ft aluminum boat restoration

                              I'm trying to post pics but it doesn't seem to be working so I'll just give a link to the photobucket.

                              Anyways I did a lot of work on the boat. I the 3rd and final coat of paint and it looks great. I also cut out a new transom.

                              http://s1141.photobucket.com/albums/.../12ft%20tinny/

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