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Crack in the finish not the wood?   You are logged in as Guest
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tk

Posts: 524
Joined: Jun. 15 2006
 

Crack in the finish not the wood? 
Is there really such thing as "crack is in the finish and not in the wood"? if yes, I can I identify which is what?

Disclosure: I am not a luthier so do not work with wood. Ijust play the guitar.

Thanks, TK

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TK
http://www.youtube.com/user/Tsolakk
  REPORT THIS POST AS INAPPROPRIATE |  Date Jun. 11 2012 21:37:03
 
Jeff Highland

 

Posts: 401
Joined: Mar. 5 2010
From: Caves Beach Australia

RE: Crack in the finish not the wood? (in reply to tk) 
Yes, especally if it's a lacquer finish rather than french polish. But often it is wishful thinking.
  REPORT THIS POST AS INAPPROPRIATE |  Date Jun. 11 2012 22:07:57
 
rogeliocan

Posts: 811
Joined: Nov. 23 2009
From: Canada

RE: Crack in the finish not the wood? (in reply to tk) 
I've had cracks in the finish of an acoustic guitar a long time ago. It had a lacquer finish. The cracks can go any direction and can look like the branches of a tree, go in many directions. You will clearly see that it's the finish that is cracked and not the wood. It's only on the surface, the lacquer part.
A crack in the wood would follow grain, unless you stepped on it... but then it wouldn't be a crack.
  REPORT THIS POST AS INAPPROPRIATE |  Date Jun. 11 2012 22:52:09
 
jshelton5040

Posts: 1500
Joined: Jan. 17 2005
 

RE: Crack in the finish not the wood? (in reply to tk) 
quote:

ORIGINAL: tk

Is there really such thing as "crack is in the finish and not in the wood"? if yes, I can I identify which is what?


It's called crazing. Caused by applying the finish (normally lacquer) too heavy and without proper drying time between coats. Modern catalized nitrocellulose finishes seldom have this problem.

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John Shelton - www.sheltonfarrettaguitars.com
  REPORT THIS POST AS INAPPROPRIATE |  Date Jun. 11 2012 23:46:42
 
Jeff Highland

 

Posts: 401
Joined: Mar. 5 2010
From: Caves Beach Australia

RE: Crack in the finish not the wood? (in reply to tk) 
Or by exposure to sudden changes in temperature
  REPORT THIS POST AS INAPPROPRIATE |  Date Jun. 11 2012 23:57:39
 
tk

Posts: 524
Joined: Jun. 15 2006
 

RE: Crack in the finish not the wood? (in reply to Jeff Highland) 
Thanks for all the replies. How do I identify one way or the other?

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TK
http://www.youtube.com/user/Tsolakk
  REPORT THIS POST AS INAPPROPRIATE |  Date Jun. 12 2012 0:55:21
 
rogeliocan

Posts: 811
Joined: Nov. 23 2009
From: Canada

RE: Crack in the finish not the wood? (in reply to tk) 
quote:

Thanks for all the replies. How do I identify one way or the other?

It is pretty obvious which is which.
I suggest you go to images in google and search for <crack in guitar finish> and you will see some pictures... you can see that the crack is at the surface.
Then do the same for <crack in guitar top> you will see some mean ones.
  REPORT THIS POST AS INAPPROPRIATE |  Date Jun. 12 2012 22:24:32
 
tonos

Posts: 23
Joined: Sep. 2 2009
From: The Hague

RE: Crack in the finish not the wood? (in reply to tk) 
Hi Todd,

You can find out by putting one finger on top of the crack, and pressing next to it with another finger. You should feel only one side of the crack move if it is in the wood itself.
A crack in the lacquer is not so bad, but if it should turn out to be in the wood, and the guitar is regularly exposed to changes in humidity, it will get worse. In that case I would advise you to have it repaired.

Good luck,
T
  REPORT THIS POST AS INAPPROPRIATE |  Date Jun. 13 2012 18:52:58
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