I added some oak trim to some black melamine shelves a few years ago,
using some sort of glue, maybe it was Titebond. Hey, it stuck for a
while. But then the weight of the stuff my daughter put on the shelves
made the shelves want to bow a bit; the oak trim was not as pliable.
It's funny in retrospect that people here recommend using pieces of
melamine with clamps while gluing up a project, specifically for its
"glue-repelling" qualities. Oh well.
What should I use this time?
I've used Roo Glue (yeah that is really the name although I don't think
they make it from roos) and it works great. It was the product suggested by
the company that made a bunch of KD Euro cabinet boxes for me and it
really lived up to expectations. If this is an application where you never
expect the melamine surface to show its face again I'd think that you could
just sand it with 80-grit and use regular Gorilla glue (not made from ...)
and be done with it.
Ultimately, nothing sticks to melamine. You can get some
(fake)adhesion from some glues, but there is no real 'adhesion through
penetration/absorption' IOW, a real bond isn't formed, but a seal to
stop the air from crawling into the joint, is.
If one were to find an adhesive that truly bonded to melamine, the
entire cabinet industry would beat a path to your door.
Heat. Before it cures. Once cured, nothing sticks to it, like
polyethylene. You can get some nasty glues, like Gorilla to stick to,
as you could with silicon, but a true 'bond' nope. I have used a
lacquer-based adhesive that stuck pretty damned good, but in the end,
not a good bond, like you'd get glueing two pieces of oak. I have also
pulled scabs of melamine off the the substrate, but never would I call
it a mechanical, trustworthy 'bond'.
I wonder if paste wax would help. Worth a try, wot?
When you are kind to someone in trouble, you hope they'll remember
and be kind to someone else. And it'll become like a wildfire.
-- Whoopi Goldberg
You used the oak on the edges? If so, you need to either make shorter or
stiffer shelves or afix the trim mechanically as well as with glue. By
"mechanically" I mean screws or dowels/biscuits.
If you were trying to stick the wood to the melamine surface and not the
edge then you need to remove the melamine where the wood is going to go - I
use a router - and then glue normally.
There is a glue supposedly made to glue to melamine, never used it, no idea
if good or bad. Regular glue *does* stick to it, just not well.
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