Darryl Keil Last Activity 2025-09-09 11:09 AM
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Brent Longtin

Posts: 37

Joined: 2007-10-09
Location: Natick, MA

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Subject : PVA glue
Posted : 2009-06-25 12:06 AM
Post #35568
One of the suggestions to fix the problems I have been having with veneer wrinkling under pressing was to switch to a PVA glue such as Unibond (I have been using Titebond) Constantines has their own house brand of this. Anybody had any experience with it? Are there any pre-mixed PVA glues?

I apply my veneer glue with a paint roller and wash it out afterwards. Can a roller used with PVA glue be cleaned up with water?





 
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Darryl Keil

Posts: 1455

Joined: 2003-05-22
Location: Maine

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Subject : RE: PVA glue
Posted : 2009-06-25 1:27 PM
Post #35571 - In reply to #35568
Brent,

Just to clarify, the Titebond glue you have been using is a PVA glue. The suggestion is to not use this kind of glue with the maple veneer you talked about. Unibond 800 is a urea formaldehyde resin glue not a PVA. Any pre-mixed glues are still PVA's.

Darryl Keil


 
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Don Stephan

Posts: 825

Joined: 2003-07-18
Location: Cincinnati, Ohio

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Subject : RE: PVA glue
Posted : 2009-06-26 6:10 PM
Post #35577 - In reply to #35568
Brent:
Can't say which approach has less impact on the environment. I stopped washing/reusing foam paint rollers a few years ago. It takes perhaps 10 gallons of water to wash out the roller, and the treatment plant has to deal with the glue residue. On the other hand, don't know how much water and waste involved in making the roller.


 
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Scott

Posts: 31

Joined: 2006-08-23
Location: New Hampshire

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Subject : RE: PVA glue
Posted : 2009-06-29 12:50 PM
Post #35583 - In reply to #35577
what if you have a septic system. I try to get as much of the glue off with paper towels as I can prior to washing but some always goes down the drain. Will this ruin a septic leaching field. I always assumed the residue was very diluted by that point and it would not impact the system. maybe I am wrong. Any ideas.


 
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Jeff Patrick


Joined: 2004-04-15
Location: Bainbridge Island, WA

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Subject : RE: PVA glue
Posted : 2009-06-29 7:17 PM
Post #35585 - In reply to #35583
No matter how much you dilute it, the amount of glue or whatever is ultimately going to be the same in your septic tank. And since a good system relies on biologic process to break down your organic waste, poisonous glues won't be helpful. I'm going to be moving shortly into a house that has a septic system. I will be very careful about what I put down the drain. We are even considering the use of "green" types of soaps and cleansers. I know that cleaning painting brushes is going to be a pain, but ruining a septic system isn't worth a new paint brush or the cost of a few foam rollers.


 
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Don Stephan

Posts: 825

Joined: 2003-07-18
Location: Cincinnati, Ohio

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Subject : RE: PVA glue
Posted : 2009-06-30 7:26 AM
Post #35586 - In reply to #35583
At www.bruch.com a case of 24 3" black foam roller pads $8.80, 4" $11.73, 9" $17.60 plus S/H. Factor in paper towels, water, time, . . . to clean used pad. Dried (urea formaldehyde or PVA) glue in landfill relatively inert. If flushed, residue likely lasts forever in leach field, may poison the bacteria vital to waste breakdown (don't know); or has to be trapped, dried and hauled to landfill in treatment plant. Still don't know environmental cost of manufacturing roller pads.

Whether on public or private sewer system, what's the motivation to try to clean and re-use?


 
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Darryl Keil

Posts: 1455

Joined: 2003-05-22
Location: Maine

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Subject : RE: PVA glue
Posted : 2009-06-30 8:04 AM
Post #35587 - In reply to #35583
For those that would like to wash things out a 5 gallon pail of water is a simple solution. Just wash the roller, etc in the bucket and the solids will settle to the bottom. After a while you can pour the water off, let the solids dry up, put them in a plastic bag and dispose of it.

You can even have two buckets if a second rinse is desired.

Darryl Keil
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