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Saggs Samba Member
Joined: December 23, 2003 Posts: 667 Location: Lincolnton, NC
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Posted: Mon Jan 06, 2025 4:17 pm Post subject: Top coat options for Master Series silver? |
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So I’ve finally gotten around to painting the undercarriage of my split bus. I blasted it have replaced all rusty metal and then painted all the undercarriage with the Master Series silver encapsulating primer. Stuff is awesome. Anyway this was done a year ago. It says I can use their AG111 top coat if reduced properly but they seem to be out of stock. Any other paints that would be compatible? Looking to do a dark grey.
Thanks in advance.
_________________ "One man can make a difference...Jesus did." |
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RLFD213 Samba Member
Joined: January 21, 2009 Posts: 430
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Posted: Mon Jan 06, 2025 7:32 pm Post subject: Re: Top coat options for Master Series silver? |
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I have used regular rust-o-leum with hardener on it and it was fine. Just put it on thick. Or any other 2 part paint works. My under carnage I just used bed liner over scuffed master series |
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Saggs Samba Member
Joined: December 23, 2003 Posts: 667 Location: Lincolnton, NC
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Posted: Sat Jan 11, 2025 3:00 pm Post subject: Re: Top coat options for Master Series silver? |
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I’d like to avoid having to scuff all the nooks and crannies on a bus underbody. Do you think any two part paint can be applied over the master series or would I need a sealer first? _________________ "One man can make a difference...Jesus did." |
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RLFD213 Samba Member
Joined: January 21, 2009 Posts: 430
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Posted: Sat Jan 11, 2025 4:31 pm Post subject: Re: Top coat options for Master Series silver? |
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You can do a 2 part paint but like the bed liner you have to get it within the window or you’re gonna have to scuff it. I just used a red scuff pad when I did mine. |
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Saggs Samba Member
Joined: December 23, 2003 Posts: 667 Location: Lincolnton, NC
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Posted: Sun Jan 12, 2025 8:15 am Post subject: Re: Top coat options for Master Series silver? |
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So it sounds like I will have to scuff it, regardless of what I topcoat it with _________________ "One man can make a difference...Jesus did." |
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RLFD213 Samba Member
Joined: January 21, 2009 Posts: 430
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Posted: Sun Jan 12, 2025 9:29 am Post subject: Re: Top coat options for Master Series silver? |
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Read the RDS, but I think you have a small window where you don’t have to, but I can’t remember the time frame |
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raygreenwood Samba Member
Joined: November 24, 2008 Posts: 22610 Location: Oklahoma City
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Posted: Wed Jan 15, 2025 10:49 am Post subject: Re: Top coat options for Master Series silver? |
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RLFD213 wrote: |
Read the RDS, but I think you have a small window where you don’t have to, but I can’t remember the time frame |
From the master series site:
Instructions
Easy to use! Sandblasting the surface is always optimal, but if sandblasting is not practical, remove loose scale with a stiff wire brush, wire wheel, or grinder. For previously coated surfaces, remove any loose, cracked, or peeling paint with a wire brush and scuff with 220 grit sandpaper.
Stir thoroughly before use and wear protective gloves. Coating may be applied by brush, roller, or spray. For spraying, reduce 10% with our MCT101 or urethane reducer. For use as a primer, apply TWO regular coats minimum and then apply Mastercoat Chassis Black or Mastercoat AG111 as a topcoat or any topcoat of your choosing.
Coating must be completely dry to touch before recoating. Recoat time: within 48 hours. If you cannot apply the next coat within 48 hours, scuff surface with 220 grit sandpaper. Beyond 7 days after last coat: scuff with 220 sandpaper and wipe surface with MCT101 thinner. For pitted surfaces, additional coats may be applied until pits are filled in. Apply three coats for use as a finish coat.
This coating is best used in 50% relative humidity. Do not apply while it is raining or during other types of precipitation. Do not apply if ambient temperature and/or surface temperature is under 35 degrees fahrenheit. Remove scale and coat entire panel, front and back with a minimum of two coats, three if not topcoating.
And they are not kidding. You can use almost any solvent, acrylic or urethane based top coat on this stuff.
Ray |
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metalchomper Samba Member

Joined: June 27, 2005 Posts: 706 Location: Statesville, NC
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Posted: Mon Jan 20, 2025 10:43 am Post subject: Re: Top coat options for Master Series silver? |
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I used MS Silver on my 30' gooseneck. I did not sand before applying the top coat. I sprayed the top coat of Rust oleum Gray enamel equipment paint. It has held up well for 7 years except the horizontal flat service that is even with the oak decking. The top coat had peeled in places on those surfaces. Probably would have held better if it was sanded first for some bite. I don't remember how much time elapsed between the MS or the enamel. _________________ Brett
Devil Dog Dubs
I live vicariously through me
'62 Beetle, "Zombie Mojo"
'68 Manx II "Conundrum"
'72 SB "Luftwaffle", 2270 T4
'75 SB Wizard Rodster "Olympias" (Mrs. Metalchomper's car) |
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Saggs Samba Member
Joined: December 23, 2003 Posts: 667 Location: Lincolnton, NC
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Posted: Sat Feb 15, 2025 6:09 am Post subject: Re: Top coat options for Master Series silver? |
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Great info
Metal Chomper. I’m looking for a grey color and I spray over this MS I have on my bus under body. Would you recommend the Rustoleum paint or something else? Any other option would be appreciated. Doesn’t need to be factory or oem just something I can spray and durable.thanks _________________ "One man can make a difference...Jesus did." |
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