Lots of new gel coat and/or paint questions:
+ Reply to Thread
Page 1 of 2 1 2 LastLast
Results 1 to 14 of 22

Thread:
Lots of new gel coat and/or paint questions:

  1. #1
    Senior Member
    Join Date
    Mar 2009
    Posts
    180

    Default Lots of new gel coat and/or paint questions:

    I am looking at a '79 Cheetah 21' mini day-cruiser project boat. I have a bunch of questions about refinishing it, before committing to getting the boat. So, here it goes:

    1.) I was curious what to spray the hull with? I've heard guys talk about painting them, but I always thought that spraying gel coat was better. Since it's already in gel coat, would I just sand it and top coat with new gel coat?

    2.) Would I get away with hitting it with a DA with 120 followed by 220, hitting the nooks and crannies by hand?

    3.) What product and how much? I was looking at Sea Hawk Gel Coat. I was thinking about two gallons of white and one gallon of red. I want to spray the entire exterior of the hull and the dash area, with a bit of two tone red added in. Have not decided on an exact pattern, but was thinking about 50/50 red and white up top and all white on the bottom, from the rub rail-down.

    4.)Would I buy gel coat with the wax sanding additive, since I am just top coating existing gel coat?

    5.) Any tips on spraying two tone gel coat? Seems like if you were to spray the entire hull in white, then mask and spray your second color, you might end up with a bit of a shelf in the gel coat. Do you need to clear over it all if you two tone it? I'm on the fence about this and may just shoot it all white!

    6.) Can I get away with shooting gel coat with a 1.8 tip? I have a Devilbiss StartingLine gun that I use for Epoxy primer, etc. that I was hoping I could get away with using.

    7.) For the trailer and pump, I was thinking of prepping and spraying them with a single stage urethane automotive paint. Yes/No?

    I know that this is a LOT of questions! Any good resources to read up on the process or that show a good DIY or step by step process? Threads, other websites, etc?

    Thanks so much for any help you guys can offer!

    Nik C.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	Cheeta.jpg 
Views:	143 
Size:	14.7 KB 
ID:	530674  

  2. Remove Advertisements
    PerformanceBoats.com
    Advertisements
     

  3. #2
    Gone in a Flash! Speed of Heat's Avatar
    Join Date
    Dec 2007
    Location
    Lake Pend Oreille, Idaho
    Posts
    208

    Default

    Do a search on the web. There are lots of threads and a whole series of vids a guy out of Houston posted to You-Tube on re-gelling a hull. -Just a couple of quick comments here based on recent experience. Duratec or Prestec gloss additive can be your your friend when gelling out of the mold. You can use a 1.8 tip, but you end up thinning the gel a bunch, which is not the greatest. The less additives you add to the gel, the better.:There are some budget 2.5 tip guns available for about $60 bucks or so that work pretty well. I don't care for the dump guns myself as the fan kinda sucks, but to each their own. No matter what you use, you will still be color sanding and polishing. Not trying to be a PITA, but I've found it to be LOTS of work and a major project. Don't expect to be able to do this on a shoestring and be done with it. To do it so it looks like it came out of the mold requires having a fair amount of supplies depending on the temps and working conditions. ( acetone, PVA and perhaps styrene) as well as lots of sandpaper, compounds and polish.-Just my 2 cents and that won't even get you a cup of coffee....cheers!
    Remember that the Ark was built by amateurs and the Titanic was built by professionals.

  4. #3
    Senior Member
    Join Date
    Mar 2009
    Posts
    180

    Default

    I did have a neighbor stop by my house asking about my project. He told me that he was a body man back in the day and that he'd dig out his gel gun with a 2.4 or 2.5 tip and help me out.. But, after reading up on the topic, I am wondering if I shouldn't just paint it... Thank you for your input. I know that if I go with the gel coat route, it'll be lots of work!

  5. Remove Advertisements
    PerformanceBoats.com
    Advertisements
     

  6. #4
    Senior Member OFFSHORE GINGER's Avatar
    Join Date
    Apr 2008
    Location
    West Mich
    Posts
    1,571

    Default

    Quote Originally Posted by nikwho View Post
    I did have a neighbor stop by my house asking about my project. He told me that he was a body man back in the day and that he'd dig out his gel gun with a 2.4 or 2.5 tip and help me out.. But, after reading up on the topic, I am wondering if I shouldn't just paint it... Thank you for your input. I know that if I go with the gel coat route, it'll be lots of work!
    Personally i also hate dump guns or should i say they are junk but that is just my opinion (or 2 cents ) and the next question you have to ask your self is ........................are you going to be leaving the boat in the water because Gel will hold up better then paint ( excample ) i often see boats that are painted blister if left in the water for long periods of time or blister on the trailer if the bunks are carpeted , and like mentioned above i can honestly say from past experience doing a boat in Gel is a whole lot of X-tra work opposed to paint considering all the steps that are needed to achieve that finial finish . Thank God for base coat , clear coat , and PPG .
    Last edited by OFFSHORE GINGER; 05-19-2014 at 08:00 AM.

  7. #5
    Senior Member
    Join Date
    Mar 2009
    Posts
    180

    Default

    Well, I know that it's lots of extra work to gel coat. The longest that the boat will ever sit in the water would be about three days. Trailer bunks are carpeted. I was thinking about just spraying g new gel coat on the bottom. The bottom currently isn't in horrible shape, but I want to address it while my engine is out, being built. I have come to the decision that the deck is getting painted. Have not decided what with yet, but I can search here for that. So, now I just need to figure out what to do with the bottom. I do appreciate the input from you guys though.

  8. #6
    Broke Member monstertahiti78's Avatar
    Join Date
    Feb 2012
    Location
    Folsom, CA
    Posts
    385

    Default

    I don't have much advice to give here since I have never done either to my boats. What I can offer is what advice I was given. I worked at a body shop for the long time and when I was building my last boat I did a ton of research and asked a shit ton of questions regarding painting my ride. From the info I gathered, gel is more hassle than it's worth. On the paint aspect I was told to use a single stage and call it good. My opinion (which is worth as much as you paid for it) is to do whatever you prefer. Consider what you want out of it. Are you building a show boat or do you just want something that's gonna look badass on the water? Regardless of which route you take your still gonna have fun on it.

  9. #7
    Senior Member Billy-B's Avatar
    Join Date
    Dec 2007
    Location
    Alta Loma, Ca
    Posts
    3,245

    Default

    OG is correct on both counts. Gel is shit load more labor intensive to achieve the same outcome as paint. More durable then paint? Yes. But for what you have & what you plan on doing with it, I personally think paint is the way to go. I have a Hallett 210 that I painted back in 1991. Black single stage with white base coat/ cclear coat graphics. For me & all the wild paint jobs that I do, its really simple. Reason?....Kids & not wanting to stress out about repairs if needed. Boat has held up great to this day. It even sits in the water for 2weeks at a time with no issues. The key is to use quality paint & reducers. Imron out here in Calif has pretty much gone away. Very durable. But PPG & DUPONT, & a couple of other better quality manufactures have very good single stage materials that will work just fine & I believe they will give you what your looking for. I have a question for you. How's the deck on your boat. Is the gel on there now in good shape. Or is it all cracked?
    N.R.K.A. CEO of the Needles River K Association.....The largest "K" boat assoc in the WORLD. 30 boats strong & growing.

    And the #1 backer of " EASON " for President.




    "Blown Gas Flats to the ramp!" - Chris Blevens

  10. #8
    Senior Member OFFSHORE GINGER's Avatar
    Join Date
    Apr 2008
    Location
    West Mich
    Posts
    1,571

    Default

    Billy whats up , and how are you ? Quick mention we still can get Imron here in Mich which really is .................not as good as it once was ( considering all the Poison's it had in the past ) and not to mention that Awlgrip is a great alternative along with a host of other paints considering if you can spray one you can spray the other because they are often a very wet paint....which leads me to say.............. that some of these paints ( upon spraying ) will need a little experience under the belt so to speak for the first timer but ..............we all have to learn how to ...sometime ....

  11. #9
    RPB
    RPB is offline
    Senior Member RPB's Avatar
    Join Date
    Jan 2013
    Posts
    1,137

    Default

    Whats wrong with an unpromoted vinylester coat in this application, tweak to needs, catalize to reduce exotherm for better surface....viscosities are way down. Gets you away from the thixo additives in gelcoat yet provides superior strength to paint.
    Last edited by RPB; 05-27-2014 at 10:54 PM.
    51% of Democrats dont know the earth revolves around the sun and 49% think that Astrology is scientific. (National Science Foundation and National Opinion Research Center (NORC) at the University of Chicago 2014).


    CF BLACK
    : Carbon Fiber Fabrics and Derivatives at the Best Prices

  12. #10
    Senior Member
    Join Date
    Mar 2009
    Posts
    180

    Default

    Quote Originally Posted by Billy-B View Post
    OG is correct on both counts. Gel is shit load more labor intensive to achieve the same outcome as paint. More durable then paint? Yes. But for what you have & what you plan on doing with it, I personally think paint is the way to go. I have a Hallett 210 that I painted back in 1991. Black single stage with white base coat/ cclear coat graphics. For me & all the wild paint jobs that I do, its really simple. Reason?....Kids & not wanting to stress out about repairs if needed. Boat has held up great to this day. It even sits in the water for 2weeks at a time with no issues. The key is to use quality paint & reducers. Imron out here in Calif has pretty much gone away. Very durable. But PPG & DUPONT, & a couple of other better quality manufactures have very good single stage materials that will work just fine & I believe they will give you what your looking for. I have a question for you. How's the deck on your boat. Is the gel on there now in good shape. Or is it all cracked?

    Well Billy,
    To answer your question, the deck has some stress cracks, but I picked up some "kitty hair" and hit the cracks with the DA and filled them. I just made new "air dried" Maple ply stringers and am in the process of glassing them in and about to set the new Maple floor. After I made the stringers, I coated them with Spar Urethane. I used spar urethane over raw wood on my sail boat rudder and dagger board and it has held up nicely for quite some time. It came out very nice, and should be a VERY long term fix.
    I made some brackets for the car body rotisserie to hold the hull. So, the hull will turn 90*, Will fill, sand and paint the bottom of the boat this week. When it's on the rotisserie, I am going to gel coat the bottom. Yes, it's a lot of work, but I have to re-gel coat the underside of my schooner, so I am getting right into it anyway! That way it's a fix it and forget it type of fix. While the hull is on the rotisserie, I am going to have the trailer sand blasted, shoot it with an epoxy enamel and then a single stage urethane. Then I will finish the trailer with new bunks and carpet.

    NIK
    Last edited by nikwho; 05-26-2014 at 07:33 PM.

  13. #11
    Senior Member f_inscreenname's Avatar
    Join Date
    Dec 2007
    Location
    Pasadena, Maryland
    Posts
    1,335

    Default

    Just a fyi I didn't find out until the 3rd or 4th boat I painted. Some single stage paints you can add clearcoat to. After I get a base coat on I do 30% clear to 70% paint. Then 50/50 then 70% clear to 30% paint.
    A winner is just a loser that got up and did it one more time.
    1959 Biesemeyer - 4pt Hydro Drag - 2013 ACBS Winner - Best Race Boat
    1967 Nova Marine - SuperNova24 - ACBS Winner - 2012 Best Race Boat - 2016 Peoples Choice & Best Non Wood
    1972 John Allmand - Nova 19
    1982 PolarKraft -Jonboat - Crab Killer

  14. #12
    Senior Member OFFSHORE GINGER's Avatar
    Join Date
    Apr 2008
    Location
    West Mich
    Posts
    1,571

    Default

    LOL ,considering ...........that i have been doing something to that effect using Awlgrip for many , many , years now painting Radar Arches for a few different Boat Co's in the past ......when times where good .

  15. #13
    Senior Member Billy-B's Avatar
    Join Date
    Dec 2007
    Location
    Alta Loma, Ca
    Posts
    3,245

    Default

    Sounds like your staying busy OG. Your advise is always spot on. IMO.......which isn't worth much..lol. Your help to a lot of these guys on here is priceless.
    N.R.K.A. CEO of the Needles River K Association.....The largest "K" boat assoc in the WORLD. 30 boats strong & growing.

    And the #1 backer of " EASON " for President.




    "Blown Gas Flats to the ramp!" - Chris Blevens

  16. #14
    Senior Member
    Join Date
    Mar 2009
    Posts
    180

    Default

    Well, I decided to just paint it. I've stripped the boat down (pulled engine, pump interior, etc) to nothing. I scuffed the entire exterior. I lifted the hull off of the trailer with our Bend Pak 4 point lift and sanded the bottom and made a few small repairs with resin and kitty hair. I shot the entire boat with an epoxy primer. I started to replace the floor that had a little rot. Once exposed, I found that the striver had rot the whole length, stern to bow (3/4 stringer?). I ended up supporting the hull and cutting out the stringers and making new ones. I'm about finished with the fiberglass work on the new stringers. At least the boat will be fresh, with all new stringers and no worries about rot in the near future. I picked up some single stage white along with some metallic cosmic green, dark cyber grey metallic And some metallic black. Have a couple of ideas for layout. I was going to spray a few coats of urethane primer and block it out a little before putting the color down. My paint is all single stage except the metallic black, which is base/clear. I got it for free from a friend with some left over after a project. So, I was thinking about using it and clearing the entire boat when it's all done.

    What clear coat would you guys reccomend for my application. I would say that the worst case scenario will be three or four nights with the boat in the water, but mostly on the trailer each night.

    Also, when I paint and refurb the trailer, just treated wood and indoor/outdoor carpet for the bunks? Wasn't sure if there is a better option for the bunks. Rollers would probably get pretty pricy, I assume...

+ Reply to Thread
Page 1 of 2 1 2 LastLast

Quick Reply Quick Reply

Register Now

Please enter the name by which you would like to log-in and be known on this site.

Please enter a password for your user account. Note that passwords are case-sensitive.

Please enter a valid email address for yourself.

Please select your insurance company (Optional)

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.


Tags for this Thread

Digg This Thread

Posting Permissions

  • You may post new threads
  • You may post replies
  • You may not post attachments
  • You may not edit your posts
  •  
 

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93