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Author Topic:   How to remove burn marks from deck

Perry posted 08-22-2013 10:19 PM ET (US)
I had a friend fix a crack in a weld on my aluminum T-Top. He put down a wet canvas drop cloth but when he was finished and removed it, there were several burn marks on the non-skid deck. He felt bad and didn't charge me for the repair but I'm wondering if there is any way to remove the burn marks.
I used a wire brush and it removed the black but the marks are still there but brown in color now.
I'm wondering if I should use an abrasive cleaner like Ajax with a wire brush?
Any ideas?
David Pendleton posted 08-22-2013 11:05 PM ET (US)
Paint.
Perry posted 08-22-2013 11:09 PM ET (US)
If soft scrub and a wire brush doesn't work, that may be my only option.
The tricky part would be finding the right kind of paint and a matching color of white.
frontier posted 08-22-2013 11:53 PM ET (US)
Try Barkeepers Friend.
If regular application and scrubbing doesn't work, mix thick soup mixture of it (with water) and let it sit on the stain for a few minutes.
Tom W Clark posted 08-22-2013 11:53 PM ET (US)
You don't want to use paint. Use color matched gel coat patch paste. Remove all the discolored gel coat and fill in with the patch paste.
It is really a very simple task. People are afraid of the non-skid repairs, but it is not difficult to deal with.
Perry posted 08-23-2013 01:28 AM ET (US)
Tom, thanks for the tip. I did a quick search and found Spectrum gel coat patch paste. It comes in 2004-2009 Boston Whaler White Flex. I assume since my boat was made during this time period, it should be a match.
http://www.fisheriessupply.com/ spectrum-color-patch-paste-gel-coat-repair-kits
egres posted 08-23-2013 01:52 AM ET (US)
Not to rudely disagree with Tom with quoted paragraph here but the nonskid repair can be a frustrating job if unfamiliar with the basic rules.
The first thing to do would be to verify if the structural integrity of the non skid surface has been simply discolored or burnt through.
If simple discoloration to brown is the only damage
Two choice will be possible
A- Spot epoxy paint touch up
B- Spot gel coat touch up with roller or spray application
If your gel coat integrity has suffered
A- Thickened gel coat to fill your small dremelled out repair spots.
http://www.whalercentral.com/showuserphoto_3.php?photo_id=1109
To match the pattern of the existing non skid will be a bit of a challenge but not impossible.
You prepping of all surfaces and careful application of materials will see this repair to be a successful one.
Good luck.
Binkster posted 08-24-2013 08:21 AM ET (US)
I would tend to go with egres on this one. Spectrum gelcoat paste is not the way to go. First of all I have found the color match is not good. Second and most important is that it is actually a colored bondo like material which is useful in filling holes, but not touching up gelcoat. Get some real gelcoat in a matching color, mix a very small amount of hardener (MEKP) and dab it on the burnt spot. It will disappear.
rich
Perry posted 08-25-2013 03:26 AM ET (US)
I went to West Marine and bought 2 tubes of gelcoat touch up crack filler. One tube was white and the other was buff white. I mixed the two until I got a good match and used a brush to dab it on in small increments. It covered it pretty well and I am pleased with the results.
Thanks for the advice.
Tom W Clark posted 08-31-2013 09:55 AM ET (US)
Carson -- I am glad your repairs were successful. Yes, had you ordered Spectrum Color, you would want the # F55-2229K kit.
Spectrum Color's color match may, or may not, be perfect. I have had very good success with their products, but all hulls are different. Even the same hull can have different colors on different spots based on age and exposure to sunlight. Adjustment, as you have done, is sometimes necessary.
Spectrum Color Gel Coat Patch Paste *is* gel coat. This is why it is so good for repairs like these touch-ups. It comes in small quantities, is inexpensive, already color matched and easy to use. You do not need to add thickener or surface seal; it's all ready to go and is especially useful for non-skid repair because you can shape it as you need to.
Using a little gel coat for non-skid repair is exactly how the Boston Whaler factory does these sorts of repairs. Build up the repair area with gel coat and carve the non-skid with a razor blade. It's just not that tough.
Binkster posted 08-31-2013 02:14 PM ET (US)
Tom's comment that Spectrum Patch Paste Repair *is* gelcoat is far from the truth. If you don't know what gelcoat is check out this link.
http://www.evercoat.com/imgs/pis/gelcoat.pdf
If you read their label is states that it is a paste that is colored to match different colored gel coats. I would say it is similar to Marine-Tex, only tinted. Thing is, the color matching quality is not very good. I used this product last winter. I knew going in that their color match may be off from other members of this forum, but I thought I would try it anyway on my 15 footer I was re-doing. The interior of the boat was in need of re gel coating or repainting. I chose to spray the interior with color matched AwlGrip becuase I have had alot of experience with it and felt more comfortable using it than gelcoat. the hull is 1986, but the exterior was in near perfect shape, very few small dings, and no scratches. The transom, along with the usual engine mounting holes, there were three or four other holes (larger than screw holes). I figured I would fill all the holes and start with a blank transom. This is where the Spectram paste kit comes in. I had sanded and polished and waxed the exterior of the hull and it looked near new. Tom's comment that the shade varies becuase of outside exposure is also not accurate. Once you sand off the exposed gel coat you get to gelcoat that has never seen the light of day. The explanation of how to do this, can be found elsewhere on this site. Anyway back to the transom. I filled the holes with a bondo product formulated for fiberglass cars, (Corvettes). I filled the holes flush and sanded them smooth. Then I took a spade bit and redrilled the holes 1/4" deep. this gave me a nice round, sharp- edge. I then filled the holes with Spectram Gel Coat Patch Repair material. The product is easy to work with, and was easy to sand flush. I sanded the patch and the surrounding area up to 3000 grit wet or dry pads. I then waxed the area with carnuba wax. The patched areas were not as glossy as the surrounding area, and had a pinkish hue to them. Becuase of that, everyone of them is visual due to the slightly different color.
So much for that stuff, it was easy to work with but the color difference is not acceptable, to me anyway.
rich
pecos23 posted 09-07-2013 10:24 PM ET (US)
Try mr clean magic eraser, these things are like, well, MAGIC. I had ground in black stains in the non skid of my 240 whaler. Nothing, I mean nothing, wold remove the marks. Soft scrub and brush, bar keepers friend, hours of elbow grease, nothing. The magic eraser did it so quickly I was shocked! If you have tried one, you'll be amazed.
Perry posted 09-09-2013 03:56 AM ET (US)
The repair wasn't a perfect color match but it did a good job covering the burn marks. Many of the smaller marks are where the cooler goes in front of the console 90% of the time.
[URL=http://smg.photobucket.com/user/perrycl/media/image_zpsed0c67be.jpg.html][IMG]http://img.photobucket.com/albums/v235/perrycl/image_zpsed0c67be.jpg[/IMG][/URL]
http://img.photobucket.com/albums/v235/perrycl/image_zpsed0c67be.jpg
mb159 posted 09-09-2013 10:14 PM ET (US)
Reply to Binkster regarding whether Spectrum Patch Paste Repair *is* gel coat. I have an unopened package of the repair kit in desert tan. In reading the entire label, I quote: "PATCH PASTE can be used for repairs of small cosmetic scratches, dock dings, gouges, filling of holes, and building up areas that have worn. this is NOT a substitute material, PATCH PASTE is a gel coat"....end quote.

retired posted 09-10-2013 01:52 AM ET (US)
I also have a Spectrum Gel Coat Patch Pase Repair kit and in addition to mb159's quote it also states "PATCH PASTE is made from Gel Coat resins that are used in the production of your boat or fiberglass product."
retired posted 09-10-2013 01:54 AM ET (US)
I also have a Spectrum Gel Coat Patch Pase Repair kit and in addition to mb159's quote it also states "PATCH PASTE is made from Gel Coat resins that are used in the production of your boat or fiberglass product."
outragesteve posted 09-10-2013 02:19 AM ET (US)
Mahalo, Perry for starting this thread: I had no idea of the Spectrum kit, and ordered it to repair a few small nicks on my 22 Outage. Will post results. Aloha, Steve
Perry posted 09-10-2013 03:09 AM ET (US)
Mahalo to Tom Clark for suggesting the patch paste repair kit. I'm really pleased with the final result.
pete r posted 09-18-2013 02:51 AM ET (US)
Yes, I have used this before too.
At first you will easily notice the newly repaired parts. After time they will fade and blend more with the old

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Author	Topic: How to remove burn marks from deck
Perry	posted 08-22-2013 10:19 PM ET (US) I had a friend fix a crack in a weld on my aluminum T-Top. He put down a wet canvas drop cloth but when he was finished and removed it, there were several burn marks on the non-skid deck. He felt bad and didn't charge me for the repair but I'm wondering if there is any way to remove the burn marks. I used a wire brush and it removed the black but the marks are still there but brown in color now. I'm wondering if I should use an abrasive cleaner like Ajax with a wire brush? Any ideas?
David Pendleton	posted 08-22-2013 11:05 PM ET (US) Paint.
Perry	posted 08-22-2013 11:09 PM ET (US) If soft scrub and a wire brush doesn't work, that may be my only option. The tricky part would be finding the right kind of paint and a matching color of white.
frontier	posted 08-22-2013 11:53 PM ET (US) Try Barkeepers Friend. If regular application and scrubbing doesn't work, mix thick soup mixture of it (with water) and let it sit on the stain for a few minutes.
Tom W Clark	posted 08-22-2013 11:53 PM ET (US) You don't want to use paint. Use color matched gel coat patch paste. Remove all the discolored gel coat and fill in with the patch paste. It is really a very simple task. People are afraid of the non-skid repairs, but it is not difficult to deal with.
Perry	posted 08-23-2013 01:28 AM ET (US) Tom, thanks for the tip. I did a quick search and found Spectrum gel coat patch paste. It comes in 2004-2009 Boston Whaler White Flex. I assume since my boat was made during this time period, it should be a match. http://www.fisheriessupply.com/ spectrum-color-patch-paste-gel-coat-repair-kits
egres	posted 08-23-2013 01:52 AM ET (US) Not to rudely disagree with Tom with quoted paragraph here but the nonskid repair can be a frustrating job if unfamiliar with the basic rules. The first thing to do would be to verify if the structural integrity of the non skid surface has been simply discolored or burnt through. If simple discoloration to brown is the only damage Two choice will be possible A- Spot epoxy paint touch up B- Spot gel coat touch up with roller or spray application If your gel coat integrity has suffered A- Thickened gel coat to fill your small dremelled out repair spots. http://www.whalercentral.com/showuserphoto_3.php?photo_id=1109 To match the pattern of the existing non skid will be a bit of a challenge but not impossible. You prepping of all surfaces and careful application of materials will see this repair to be a successful one. Good luck.
Binkster	posted 08-24-2013 08:21 AM ET (US) I would tend to go with egres on this one. Spectrum gelcoat paste is not the way to go. First of all I have found the color match is not good. Second and most important is that it is actually a colored bondo like material which is useful in filling holes, but not touching up gelcoat. Get some real gelcoat in a matching color, mix a very small amount of hardener (MEKP) and dab it on the burnt spot. It will disappear. rich
Perry	posted 08-25-2013 03:26 AM ET (US) I went to West Marine and bought 2 tubes of gelcoat touch up crack filler. One tube was white and the other was buff white. I mixed the two until I got a good match and used a brush to dab it on in small increments. It covered it pretty well and I am pleased with the results. Thanks for the advice.
Tom W Clark	posted 08-31-2013 09:55 AM ET (US) Carson -- I am glad your repairs were successful. Yes, had you ordered Spectrum Color, you would want the # F55-2229K kit. Spectrum Color's color match may, or may not, be perfect. I have had very good success with their products, but all hulls are different. Even the same hull can have different colors on different spots based on age and exposure to sunlight. Adjustment, as you have done, is sometimes necessary. Spectrum Color Gel Coat Patch Paste is gel coat. This is why it is so good for repairs like these touch-ups. It comes in small quantities, is inexpensive, already color matched and easy to use. You do not need to add thickener or surface seal; it's all ready to go and is especially useful for non-skid repair because you can shape it as you need to. Using a little gel coat for non-skid repair is exactly how the Boston Whaler factory does these sorts of repairs. Build up the repair area with gel coat and carve the non-skid with a razor blade. It's just not that tough.
Binkster	posted 08-31-2013 02:14 PM ET (US) Tom's comment that Spectrum Patch Paste Repair is gelcoat is far from the truth. If you don't know what gelcoat is check out this link. http://www.evercoat.com/imgs/pis/gelcoat.pdf If you read their label is states that it is a paste that is colored to match different colored gel coats. I would say it is similar to Marine-Tex, only tinted. Thing is, the color matching quality is not very good. I used this product last winter. I knew going in that their color match may be off from other members of this forum, but I thought I would try it anyway on my 15 footer I was re-doing. The interior of the boat was in need of re gel coating or repainting. I chose to spray the interior with color matched AwlGrip becuase I have had alot of experience with it and felt more comfortable using it than gelcoat. the hull is 1986, but the exterior was in near perfect shape, very few small dings, and no scratches. The transom, along with the usual engine mounting holes, there were three or four other holes (larger than screw holes). I figured I would fill all the holes and start with a blank transom. This is where the Spectram paste kit comes in. I had sanded and polished and waxed the exterior of the hull and it looked near new. Tom's comment that the shade varies becuase of outside exposure is also not accurate. Once you sand off the exposed gel coat you get to gelcoat that has never seen the light of day. The explanation of how to do this, can be found elsewhere on this site. Anyway back to the transom. I filled the holes with a bondo product formulated for fiberglass cars, (Corvettes). I filled the holes flush and sanded them smooth. Then I took a spade bit and redrilled the holes 1/4" deep. this gave me a nice round, sharp- edge. I then filled the holes with Spectram Gel Coat Patch Repair material. The product is easy to work with, and was easy to sand flush. I sanded the patch and the surrounding area up to 3000 grit wet or dry pads. I then waxed the area with carnuba wax. The patched areas were not as glossy as the surrounding area, and had a pinkish hue to them. Becuase of that, everyone of them is visual due to the slightly different color. So much for that stuff, it was easy to work with but the color difference is not acceptable, to me anyway. rich
pecos23	posted 09-07-2013 10:24 PM ET (US) Try mr clean magic eraser, these things are like, well, MAGIC. I had ground in black stains in the non skid of my 240 whaler. Nothing, I mean nothing, wold remove the marks. Soft scrub and brush, bar keepers friend, hours of elbow grease, nothing. The magic eraser did it so quickly I was shocked! If you have tried one, you'll be amazed.
Perry	posted 09-09-2013 03:56 AM ET (US) The repair wasn't a perfect color match but it did a good job covering the burn marks. Many of the smaller marks are where the cooler goes in front of the console 90% of the time. [URL=http://smg.photobucket.com/user/perrycl/media/image_zpsed0c67be.jpg.html][IMG]http://img.photobucket.com/albums/v235/perrycl/image_zpsed0c67be.jpg[/IMG][/URL] http://img.photobucket.com/albums/v235/perrycl/image_zpsed0c67be.jpg
mb159	posted 09-09-2013 10:14 PM ET (US) Reply to Binkster regarding whether Spectrum Patch Paste Repair is gel coat. I have an unopened package of the repair kit in desert tan. In reading the entire label, I quote: "PATCH PASTE can be used for repairs of small cosmetic scratches, dock dings, gouges, filling of holes, and building up areas that have worn. this is NOT a substitute material, PATCH PASTE is a gel coat"....end quote.
retired	posted 09-10-2013 01:52 AM ET (US) I also have a Spectrum Gel Coat Patch Pase Repair kit and in addition to mb159's quote it also states "PATCH PASTE is made from Gel Coat resins that are used in the production of your boat or fiberglass product."
retired	posted 09-10-2013 01:54 AM ET (US) I also have a Spectrum Gel Coat Patch Pase Repair kit and in addition to mb159's quote it also states "PATCH PASTE is made from Gel Coat resins that are used in the production of your boat or fiberglass product."
outragesteve	posted 09-10-2013 02:19 AM ET (US) Mahalo, Perry for starting this thread: I had no idea of the Spectrum kit, and ordered it to repair a few small nicks on my 22 Outage. Will post results. Aloha, Steve
Perry	posted 09-10-2013 03:09 AM ET (US) Mahalo to Tom Clark for suggesting the patch paste repair kit. I'm really pleased with the final result.
pete r	posted 09-18-2013 02:51 AM ET (US) Yes, I have used this before too. At first you will easily notice the newly repaired parts. After time they will fade and blend more with the old