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05-01-2018, 04:42 AM
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#1
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Lt. Commander
Join Date: Mar 2018
Location: B.C. Canada
Posts: 128
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Scared to ask....poly glow???
So...after searching around on forums including this one I would like to get some weigh ins on the use of poly glow?
My boat has been somewhat neglected in the polishing and gel coat care department by the previous owner (never waxed or polished but acid washed once each season). He kept it in a slip in freshwater and also didn’t ever use it so I had to work quite hard to clean it. There are some osmosis bubbles on the underside of the hull as well as he liked to beach it so the bottom is quite scratched and there are some chips in it. I have bought a can of clear gel coat to fill the chips and scratches but want to know the best way to “coat” the rest of the boat. It is a bit chalky and I worry about how deep I would have to go into the gel to remove it on an 18 year old boat.
I will try my hand at posting pictures to help with the feedback.
Thanks!!!
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Kellen
2000, 2100SR 5.7 Alpha 1 Gen 2
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05-01-2018, 12:27 PM
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#2
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,587
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I believe Roger has used Poly Glow and was happy with the results. I had a sea ray that had a blue gelcoat section that was chalky that I wet sanded with 2000 grit then polished and then waxed which turned out really nice. When sanding go back and forth no circles. 3M makes some good products for cutting through the haze such as Finesse It II.
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1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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05-01-2018, 01:59 PM
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#3
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Moderator
Join Date: Apr 2008
Posts: 5,670
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Clear Coat is an autopaint product, not a gelcoat product. You should fill the gouges with a gelcoat repair kit, not a clear coat spray.
How chalky the gelcoat is will dictate how aggressive a cutting agent you start with. If you can firmly rub your hand down the boat and get white residue on your hand, you'll need to start with wet sanding. If it's heavily chalky, but doesn't wipe off, then start with rubbing compound. Then move down the list to each successive lighter.
Technically, if you've done 1 & 2, you can more than likely skip either 3 or 4, depending on results.
1) Wet Sand
2) Rubbing Compound
3) Cutting Agent for heavy oxidation
4) Cutting agent for Medium Oxidation
5) Cutting agent for light oxidation/swirls
6) Wax
You can skip all this and try to go straight to polyglow. Be aware that preparation and application with Polyglow are the key. I've seen improperly prepared boats, where the polyglow peeled like latex paint on varnish. I've seen polyglow improperly applied that looks like someone brushed on polyeurathane.
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05-01-2018, 07:08 PM
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#4
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Lt. Commander
Join Date: Mar 2018
Location: B.C. Canada
Posts: 128
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Quote:
Originally Posted by shrew
Clear Coat is an autopaint product, not a gelcoat product. You should fill the gouges with a gelcoat repair kit, not a clear coat spray.
How chalky the gelcoat is will dictate how aggressive a cutting agent you start with. If you can firmly rub your hand down the boat and get white residue on your hand, you'll need to start with wet sanding. If it's heavily chalky, but doesn't wipe off, then start with rubbing compound. Then move down the list to each successive lighter.
Technically, if you've done 1 & 2, you can more than likely skip either 3 or 4, depending on results.
1) Wet Sand
2) Rubbing Compound
3) Cutting Agent for heavy oxidation
4) Cutting agent for Medium Oxidation
5) Cutting agent for light oxidation/swirls
6) Wax
You can skip all this and try to go straight to polyglow. Be aware that preparation and application with Polyglow are the key. I've seen improperly prepared boats, where the polyglow peeled like latex paint on varnish. I've seen polyglow improperly applied that looks like someone brushed on polyeurathane.
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Thank you Shrew, I did pick up actual gel coat to fill in the chips and scratches.
Sent from my iPhone using Tapatalk
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Kellen
2000, 2100SR 5.7 Alpha 1 Gen 2
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05-02-2018, 02:03 PM
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#5
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Captain
Join Date: Oct 2011
Location: Chesapeake, VA
Posts: 556
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First I've heard of poli glow was from your post, now I think I will try it. I'm going to test it on a small area and see how it ages. Reviews on the product are excellent.
For your scratch, I recommend following Shrew's steps for blending the repair. Give the gelcoat a slight crown in the scratch when you apply it, and start smoothing the repair when it's about 90% cured. You want the repair gelcoat to be softer than surrounding gelcoat when you blend it in. If you don't already have an electric buffer and wool pad, now is good time to get them.
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05-02-2018, 04:25 PM
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#6
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Admiral
Join Date: Mar 2012
Location: Lake Powell
Posts: 1,613
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Wet sanding is the ticket.
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05-02-2018, 08:20 PM
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#7
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Lt. Commander
Join Date: May 2014
Location: Cobourg, Ontario, Canada
Posts: 229
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Here's a picture of my previous boat - 1973 Grampian G-26 sailboat - that I owned from 1995 to 2014 when I bought the Maxum.
Every spring prior to launch, she had a Polyglow treatment. The stuff works very well, but you must follow the instructions carefully. Easy to use, extreme UV protection, no fading, colours sparkle.
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05-03-2018, 04:41 AM
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#8
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Lt. Commander
Join Date: Mar 2018
Location: B.C. Canada
Posts: 128
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Awesome feedback!!! Thanks guys!!
Sent from my iPhone using Tapatalk
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Kellen
2000, 2100SR 5.7 Alpha 1 Gen 2
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05-03-2018, 06:55 PM
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#9
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Lt. JG
Join Date: Apr 2018
Posts: 21
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It appears I have a lot to learn about this. Our new to us boat has a couple of quarter to half-dollar size chips along the keel (not to mention peeling what I assume is part of the gel coat above the water line), similar process for these chips?
Sent from my SM-N950U using Tapatalk
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05-03-2018, 10:24 PM
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#10
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,587
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Quote:
Originally Posted by CapnCrunch
It appears I have a lot to learn about this. Our new to us boat has a couple of quarter to half-dollar size chips along the keel (not to mention peeling what I assume is part of the gel coat above the water line), similar process for these chips?
Sent from my SM-N950U using Tapatalk
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I would start a new thread as what you described is different from this thread, also include some pictures of the damage areas.
__________________
1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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05-04-2018, 12:37 AM
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#11
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Captain
Join Date: Oct 2011
Location: Chesapeake, VA
Posts: 556
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Quote:
Originally Posted by jimq26
Here's a picture of my previous boat - 1973 Grampian G-26 sailboat - that I owned from 1995 to 2014 when I bought the Maxum.
Every spring prior to launch, she had a Polyglow treatment. The stuff works very well, but you must follow the instructions carefully. Easy to use, extreme UV protection, no fading, colours sparkle.
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Jim, what does the poliglow treatment consist of? What does the prep and application consist of after you've had it on for a season?
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05-04-2018, 12:43 AM
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#12
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Lt. Commander
Join Date: May 2014
Location: Cobourg, Ontario, Canada
Posts: 229
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This will explain the proper treatment procedure - https://poliglow-int.com/how-to-use/
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