Gel Coat Color for 2012 150 MONTAUK

Repair or modification of Boston Whaler boats, their engines, trailers, and gear
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69whaler
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Gel Coat Color for 2012 150 MONTAUK

Postby 69whaler » Sat Feb 12, 2022 2:03 pm

Where is the best source for a gel coat color match for a 2012 Montauk 150?

I'm starting out on do-it-yourself hull repairs. GIve me advice.
Last edited by 69whaler on Sun Feb 13, 2022 6:42 am, edited 1 time in total.
1969 13' Sport
1974 16' Newport
1998 21' Conquest
2012 15' Montauk

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Phil T
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Location: Was Maine. Temporarily Kentucky

Re: Gel Coat Color Match

Postby Phil T » Sat Feb 12, 2022 4:52 pm

Marine Tex in white is all you need.
1992 Outrage 17
2019 E-TEC 90
2018 LoadRite 18280096VT
Member since 2003

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69whaler
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Re: Gel Coat Color Match

Postby 69whaler » Sun Feb 13, 2022 6:58 am

Phil, what’s your suggestion on repairing this? See attached photo. Damage is about 1-1.5 inches wide under bow rub rail.

1676F019-B9CF-4532-A25F-41EB02C8BAB2.jpeg
1676F019-B9CF-4532-A25F-41EB02C8BAB2.jpeg (15.27 KiB) Viewed 1383 times
1969 13' Sport
1974 16' Newport
1998 21' Conquest
2012 15' Montauk

User avatar
Phil T
Posts: 2607
Joined: Thu Oct 22, 2015 6:08 pm
Location: Was Maine. Temporarily Kentucky

Re: Gel Coat Color Match

Postby Phil T » Sun Feb 13, 2022 9:08 am

With a small nail I would pick at the cracked gelcoat to remove any loose pieces.

Apply painters tape to underside of the rubrai and 1" from the edge of the damaged area.

Sand the exposed fiberglass to rough it up.

Wipe off residue with Acetone.

Apply Marine Tex using plastic putty knife so it is just level or slightly higher. Cover with clear packing tape to get a smooth finish. If there is too much material, remove,replace and reapply tape. Remove after 2 hrs.
1992 Outrage 17
2019 E-TEC 90
2018 LoadRite 18280096VT
Member since 2003

jimh
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Location: Michigan, Lower Peninsula
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Re: Gel Coat Color for 2012 150 MONTAUK

Postby jimh » Sun Feb 13, 2022 9:26 am

Here are three REFERENCE articles and resources that discuss hull repairs to Boston Whaler boats. I recommend you read all of these:

Repairing Hull Damage the Whaler Way
by Taylor Clark

https://continuouswave.com/whaler/reference/whalerRepair.html

INSTRUCTIONS -- HULL PATCH KITS
by Boston Whaler

https://continuouswave.com/whaler/reference/repairInstructions.html

The Epoxy Cure
by Jim Hebert

https://continuouswave.com/maintenance-logs/epoxy/

The topic of making a repair to gel coat surfaces has been discussed many times. Here is a prior discussion that contains a great deal of useful information:

Gel Coat Repair
http://mail.continuouswave.com/forum/viewtopic.php?f=6&t=6008

Jefecinco
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Location: Gulf Shores, AL

Re: Gel Coat Color for 2012 150 MONTAUK

Postby Jefecinco » Sun Feb 13, 2022 10:08 am

It appears that the cracks may extend up under the rubrail. I hope your repair can be made without removing it.

Our West Marine store stocks Marine Tex.
Butch

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69whaler
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Re: Gel Coat Color for 2012 150 MONTAUK

Postby 69whaler » Sat Feb 19, 2022 6:57 pm

Oh the rub rail! That was my next question. How do I remove it if I need to? Any tricks?
1969 13' Sport
1974 16' Newport
1998 21' Conquest
2012 15' Montauk

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Phil T
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Location: Was Maine. Temporarily Kentucky

Re: Gel Coat Color for 2012 150 MONTAUK

Postby Phil T » Sat Feb 19, 2022 8:18 pm

Off the top of my head.

The rub rail is made from two parts. Receiver and insert (middle piece).

Remove the insert, starting at the stern end and work your way toward the bow past the damaged area.

The receiver is attached with rivets. I would drill through the rivets for 2' on each side of the damage and try to press the down a bit to access. If more room is needed, drill more of the rivets out.

Once repaired, seal the old rivet holes with marine sealant. Position the receiver back in place and drill pilot holes through receiver and gunwale cap next to each rivet hole and then insert sealant and drive #6 x 1-1/2" stainless screws.

Reinstall the insert.
1992 Outrage 17
2019 E-TEC 90
2018 LoadRite 18280096VT
Member since 2003

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69whaler
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Re: Gel Coat Color for 2012 150 MONTAUK

Postby 69whaler » Sun Feb 20, 2022 8:22 am

Thanks Phil for all the help. Do you know when Spring is going to be here so I can start the repairs? :)
1969 13' Sport
1974 16' Newport
1998 21' Conquest
2012 15' Montauk