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Vinyl Sealer?

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Darryl Young

Post subject: Re: Vinyl Sealer?

Posted: Sun Nov 07, 2010 4:37 pm

Contributing Member

Joined: Wed Oct 22, 2008 9:31 pm
Posts: 1877
First name: Darryl
Last Name: Young
State: AR
Country: USA
Focus: Build
Status: Amateur

dberkowitz wrote:

Todd, I use a catalyzed finish and the manufacturer recommends their vinyl sealer particularly for adhesion issues on exotics, including ebony.

Todd Stock wrote:

Good point - not all vinyl sealers are nitro-based, so a sealer for a urethane system might be vinyl-modified urethane and completely compatible.

What are the chances a vinyl sealer for a barrier coat between catalyzed urethane and an exotic wood would also work under KTM-SV? (which is a waterbased urethane if I understand correctly) Looking for something to go between spruce and KTM-SV and between zpoxy and KTM-SV. The zpoxy is over a EI rosewood and apparently KTM-SV won't cure properly if it comes in contact with oils from exotic woods.

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Terence Kennedy

Post subject: Re: Vinyl Sealer?

Posted: Sun Nov 07, 2010 5:31 pm

Brazilian Rosewood

Joined: Fri Dec 14, 2007 3:21 pm
Posts: 3445
Location: Alexandria MN

tlguitars wrote:

I use it mainly as a color block. The vinyl sealer goes on and with the mount of laminations (leaky wood pigment) and possibilities I have for color bleed I just use it to be safe. I also use it to stop the CA in my rosettes from pulling the dye out of my purfling border lines, again as a color block. It works great when you need to scrape back binding too.

I'm just going by the StewMac book, the Finishing video from the 96 Healdsburg guitar festival, and by what my mentors have told me. If it takes filler, and vinyl sealer before the nitro then that's what I'm going to do. Their 2000 guitars bests my 73 so I listen "just cuz they said so." I've been using Mcfadden until now and I just used their combo. Changing finishes now so it's up in the air.

What are you switching to Todd?

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Matt Bouchie

Post subject: Re: Vinyl Sealer?

Posted: Mon Nov 08, 2010 4:49 pm

Cocobolo

Joined: Fri Mar 28, 2008 9:59 pm
Posts: 202
Location: Manchester, New Hampshire
First name: Matt
Last Name: Bouchie
City: Manchester
State: New Hampshire
Country: USA
Focus: Build
Status: Amateur

nickton wrote:

Whatever method Tacoma guitars used on my Dreadnaught version from them did not work very well. It is thick and peeling off the guitar now and there seems to be no adhesion to the wood (which makes for an easy removal at least).

I have a Tacoma Dreadnaught that was just starting to do this and I brought it to a Tacoma dealer who told me it was under warranty. Apparently they had a batch of them about 8 or 9 years ago that they screwed up a step. I paid $35 to ship it to them and they picked up shipping when they sent it back and it looked as good as new. It took about 6 months to get it back, though.

Matt

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