Does Shellac interfere with glue?

  • Advertise with us

« back to Joinery forum

Forum topic by mummykicks posted 09-16-2013 02:48 PM 1169 views 0 times favorited 2 replies Add to Favorites Watch
View mummykicks's profile


109 posts in 1800 days

09-16-2013 02:48 PM

I was pondering this while trying to decide if I should seal the inside of a hollow art table top I’m making, or any other box I end up making. So I decided to do a little experiment.
One coat of shellac on a some plywood, and one coat on the edges of the ribs I was going to glue, one plywood, one mdf.
Some titebond and a couple pocket screws to provide the clamping:

Let it cure overnight at 80 something degrees. Removed screws and tried to break it apart by hand, no dice. Got my deadblow hammer and gave it a good whack and it came apart:

I think it’s safe to say it doesn’t, at least one coat doesn’t. If I left the screws in there I don’t think that joint is ever coming apart.

Anyway, I just thought I’d post it on the remote chance someone else ever wonders about this as well…

2 replies so far

View a1Jim's profile


117091 posts in 3575 days

#1 posted 09-16-2013 03:24 PM

Good idea to conduct a test.You test answers your question. In most cases I would say mask of where your going to glue up .

-- wood crafting & woodworking classes

View Jim Jakosh's profile

Jim Jakosh

20482 posts in 3103 days

#2 posted 09-24-2013 11:37 PM

I would avoid any sealer on the wood where the glue is expected to be holding. It needs bare wood to bite in. It will hold to a degree because of it’s nature, but not like raw wood!...........Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

Have your say...

You must be signed in to reply.

DISCLAIMER: Any posts on LJ are posted by individuals acting in their own right and do not necessarily reflect the views of LJ. LJ will not be held liable for the actions of any user.

Latest Projects | Latest Blog Entries | Latest Forum Topics