Veneer Application

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  #1  
Old 11-16-17, 05:07 PM
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Veneer Application

Should I apply a coat of shellac to the glue side of a piece of veneer before gluing it to the substrate so as to prevent glue bleed through?
 
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Old 11-17-17, 04:06 AM
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It's been many many years since I did this, but I did not apply anything to the base substrate 1st. It seemed to work well.
 
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Old 11-17-17, 04:54 AM
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I have always used contact adhesive when doing veneers and there was no bleed through.
 
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Old 11-20-17, 07:31 AM
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I would be concerned about the shellac keeping the glue from holding.

As Dane, I use contact cement.
 
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Old 11-21-17, 06:43 AM
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What kind of veneer & what kind of glue? Traditional sawn veneer is thick enough to prevent bleed-through of water-based white & yellow glues.
Contact cement is popular with the thinner veneers but might not be strong enough to flatten ripply natural veneer unless you use many clamping cauls or a vacuum bag press.
Also many thin veneers have a backing that lessens problems with cracking, glue bleed, or finish bleed attacking the glue.

Shellac is a good barrier to prevent all these problems.
 
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