Adhesives

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Glue for 2" thick walnut treads

5/5/15       
Jake Member

We normally make treads out of 5/4 and edge glue using elmers glue all. never had an issue, BUT i've got a very high end job coming up where the treads will be walnut, 2" thick and "free floating" . Is there a better glue to use? I want to avoid any issues that might arise because they're going to be open all around.

5/6/15       #2: Glue for 2" thick walnut tread ...
Rick

We have used DAP Plastic Resin for many years without issues. It's a structural adhesive and has performed very well for us.

http://www.dap.com/product_details.aspx?BrandID=63&SubcatID=10

5/12/15       #3: Glue for 2" thick walnut tread ...
JM

Regular old yellow wood glue will be more than strong enough provided the surfaces are machined properly prior to glue up.

6/3/15       #4: Glue for 2" thick walnut tread ...
Larry

The trick is in the prep not the glue. I'd use Franklin original.

6/13/15       #5: Glue for 2" thick walnut tread ...
Chris Mroz

Website: http://puretimber.com

I'd use Titebond 3 on walnut. It gives you a darker glue line.

6/13/15       #6: Glue for 2" thick walnut tread ...
GeneWengert-WoodDoc

A few thoughts that might help.

The comment from Larry should be in capital letters...it is the key. Any common woodworking adhesive, except some hot melts, will potentially make a joint much stronger than the wood itself. So, adequate spread, super flat surfaces, freshly prepared surface (within minutes, jointer maybe), adequate but not excessive pressure, correct temperature of wood and adhesive, and so on

So, select an adhesive based on its other properties. For example, you might want one that will withstand wet mopping. Or one that withstand heating from direct sunlight. Or one that sets quickly. Or one with a dark color. And so on.

All that being said, DAP plastic resin (and others make the same) is a wonderful choice. Read instructions carefully if this is your first time using it. TB II is another awesome choice.

The color of the glue - yellow or white- tells us nothing about its properties, as the yellow is basically food coloring.

8/22/15       #8: Glue for 2" thick walnut tread ...
joiner Member

The Doc is right on to highlight the plastic resin glue. It has one advantage over the PVA glues that is unquestionable. Butt joints using plastic resin don't creep. You will find many threads on the subject in the knowledge base. PVA adhesives are wonderful, and will make as strong a bond, but they are always slightly flexible, and so, a once perfectly flat invisible joint will sometimes become quite visible as the two sides react to seasonal changes. Plastic resin locks up like granite. That is why it's used in a lot of production edge glue work, even though it is much more trouble to mix, apply to both surfaces, and has a limited pot life.
I would think that very thick parts like the poster is using would be likely to swell and shrink to a greater degree, thus making creep a more pressing issue. No pun intended.


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