#16
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Gorilla glue IS a closed cell polyurethane filler IMO. The process described by the OP would be a great way to turn an acoustic guitar into a high volume low feedback performance instrument, possibly even better than a toilet seat, but would have devastating consequences on the efficacy as an acoustic instrument.
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#17
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#18
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#19
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Original, Type II or Type III?
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Fred |
#20
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My experience with polyurethane glue (which is what Gorilla glue is) is that although it requires the presence of moisture to allow it to cure properly, it is almost impossible to clean off your hands with any water-based cleaner. I am highly skeptical that it could ever be diluted with water, even boiling water.... and I have no intention of finding out. |
#21
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http://www.gorillatough.com/gorilla-...A6tBoCgSfw_wcB
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Acoustics: 1970 Maya F344R - 6 String 1969 Kiso Suzuki 628/12 - 12 String 1978 Yamaha G-231 - Classical 2012 Gretsch G3500 - Folk Electrics: 2005 Fender MIA Strat - modified 2000 Fender MIM Strat - very modified 2014 Fender MIM Telecaster - Custom Shop designed 1980s Telecaster partscaster 2005 Godin SD22 - PRS USA pickups 2006 Fender MIM P-Bass 1970s Marches MIJ Jazz Bass |
#22
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Type II ... again, not that it matters.
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Acoustics: 1970 Maya F344R - 6 String 1969 Kiso Suzuki 628/12 - 12 String 1978 Yamaha G-231 - Classical 2012 Gretsch G3500 - Folk Electrics: 2005 Fender MIA Strat - modified 2000 Fender MIM Strat - very modified 2014 Fender MIM Telecaster - Custom Shop designed 1980s Telecaster partscaster 2005 Godin SD22 - PRS USA pickups 2006 Fender MIM P-Bass 1970s Marches MIJ Jazz Bass |
#23
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Actually it does matter. Most of us think of Gorilla Glue as being the Polyurethane glue that foams up. The wood glue is entirely different. That would dissolve in water. It's a PVA glue not used in guitar making as far as I can tell. None the less it's a terrible idea.
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#24
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Ya. I realize that was a faux pas on the initial question. But it really doesn't matter the type of glue, there has been zero responses to qualify this as a 'good idea', regardless of glue type. As I suspected ... Thanks !
__________________
Acoustics: 1970 Maya F344R - 6 String 1969 Kiso Suzuki 628/12 - 12 String 1978 Yamaha G-231 - Classical 2012 Gretsch G3500 - Folk Electrics: 2005 Fender MIA Strat - modified 2000 Fender MIM Strat - very modified 2014 Fender MIM Telecaster - Custom Shop designed 1980s Telecaster partscaster 2005 Godin SD22 - PRS USA pickups 2006 Fender MIM P-Bass 1970s Marches MIJ Jazz Bass |
#25
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In addition to violating the "no extra, unnecessary weight" rule of thumb, the inside-sealant/finish idea contradicts what I was told from numerous sources when I was learning to build: that a guitar wants to breathe, and that we want the liquid and semi-liquid contents of the wood cells to either evaporate or solidify over time. I'm no wood scientist, so I don't know if the above is true, but I picked it up from numerous sources, since it's not illogical to ask "if finishing the outside is good, wouldn't finishing the inside be good too?"
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#26
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Sort of what I was thinking. Also, a carbon fibre guitar is sealed and still resonates. Sent from my iPhone using Tapatalk
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Acoustics: 1970 Maya F344R - 6 String 1969 Kiso Suzuki 628/12 - 12 String 1978 Yamaha G-231 - Classical 2012 Gretsch G3500 - Folk Electrics: 2005 Fender MIA Strat - modified 2000 Fender MIM Strat - very modified 2014 Fender MIM Telecaster - Custom Shop designed 1980s Telecaster partscaster 2005 Godin SD22 - PRS USA pickups 2006 Fender MIM P-Bass 1970s Marches MIJ Jazz Bass |
#27
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I was happy to see the direction this thread took: the concept of mixing polyurethane glue with boiling water scared the hecks out of me. PU foams up enthusiastically when it hits a little bit of cold water; I can't imagine what it would do if you dumped some in boiling water, or vice versa. I don't hanker to try.
You can mix Titebond with a small amount of lukewarm water to thin it for some applications without losing too much strength. I use about 10% water in the glue for really large laminations to keep it flowing while I get all the clamps on. Boy, does it get runny... I suppose something like thinned out T3 would work as a sealer. Some folks do advocate sealing the insides, but I think it's a bad idea. There really is nothing practical you can do to totally eliminate moisture exchange in wood. Slowing it down might help to reduce some kinds of cracking, but is unlikely to stop it entirely. At some point the wood will crack, and when it does you'll need to repair it. Anything that is effective at slowing moisture exchange is also going to make it hard to repair, since glue probably won't stick to it well. The usual wash coat of thinned out shellac is probably as helpful as anything in slowing down the appearance of cracks, and at least it's thin enough to sand off when you need to (a pain, but doable...). Titebond is a bear to sand by comparison. As has been said, the guy should stick to toilet seat solid bodies. |
#28
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Thanks! Sent from my iPhone using Tapatalk
__________________
Acoustics: 1970 Maya F344R - 6 String 1969 Kiso Suzuki 628/12 - 12 String 1978 Yamaha G-231 - Classical 2012 Gretsch G3500 - Folk Electrics: 2005 Fender MIA Strat - modified 2000 Fender MIM Strat - very modified 2014 Fender MIM Telecaster - Custom Shop designed 1980s Telecaster partscaster 2005 Godin SD22 - PRS USA pickups 2006 Fender MIM P-Bass 1970s Marches MIJ Jazz Bass |