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Panel glue up tips?

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Forum topic by leftcoaster posted 05-25-2018 02:42 PM 560 views 0 times favorited 9 replies Add to Favorites Watch
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leftcoaster

229 posts in 1018 days


05-25-2018 02:42 PM

When edge joining panels I rely on clamps and cauls to get a flat panel with good adhesion.

Anyone have tips for minimizing or managing squeeze out under the cauls and clamps? Especially but not exclusively on the bottom side?


9 replies so far

View John Smith's profile

John Smith

1356 posts in 304 days


#1 posted 05-25-2018 02:50 PM

use less glue
put a piece of plastic or masking tape on the clamp at the glue joint (top and bottom)
to minimize the darkening of the wood
put news paper under the panel to keep the glue off your work table.
use less glue

in my world, the dried glue on the underside is easier to clean up than the top.
[Use Less Glue to minimize the excess]

.

.

-- I started out with nothing in life ~ and still have most of it left.

View lew's profile

lew

12319 posts in 3897 days


#2 posted 05-25-2018 03:38 PM

wax paper works well. Store brand is cheaper.

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View splintergroup's profile

splintergroup

2302 posts in 1364 days


#3 posted 05-25-2018 06:44 PM

I like to place the panels together (without glue), then apply some paste wax over the joint.

Use the tricks John and Lew mention to keep your clamps and work area clean and do the glue up.

After maybe 30 minutes, you can remove most of the squeeze out with an old credit card or whatever and not need to work as much about smearing it into the wood.

The wax keeps the glue out of the wood pores and after the joint is dry, you can remove any wax remains with a rag and mineral spirits

View OSU55's profile

OSU55

1856 posts in 2131 days


#4 posted 05-25-2018 07:08 PM

Ive tried some various things, and the following works best for me:
- Cauls are waxed all over, faces have packing tape applied & then waxed
- Clamp bars are generously waxed
- Something under the panel (I use the brown paper painters drape on a roll) to keep it off the bench
- develop a specific dried glue removal process, i.e. I use an old chisel to get the worst of it, then a #80 cabinet scraper to get up to ~95%, then the flattening planes get the rest.
- Dried glue is very easy to remove from waxed surfaces

I tried removing the glue before it sets up – hard to get the timing right. Limiting the amount of glue would cause joint areas without enough.

View pintodeluxe's profile

pintodeluxe

5756 posts in 2955 days


#5 posted 05-25-2018 08:42 PM

I use duct tape on my cauls, but otherwise let-R-drip. Let the glue partially harden, and it’ll scrape right off.
A short length of blue painters tape on the clamp bar helps keep the clamp clean.

I gave up on wax paper years ago because it can keep the glue from drying.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View recon49's profile

recon49

7 posts in 146 days


#6 posted 05-28-2018 03:03 AM

I’ve seen how good the wax paper works.

View AlaskaGuy's profile

AlaskaGuy

4479 posts in 2451 days


#7 posted 05-28-2018 03:37 AM

What they said + learn to apply the right amount of glue. Take some scrap the same thickness as the stock you will be gluing up and practice buy applying different sized beads until you find the right size. It won’t take many to tries to figure this out. You don’t have to actually glue up the test pieces. Just glue them, clamp them and see how much squeeze out you get then pull them back apart.

-- Alaskan's for Global warming!

View Rich's profile

Rich

3645 posts in 731 days


#8 posted 05-28-2018 03:44 AM

To keep glue from sticking to clamps, I use Bates glue release. Just wipe the clamp bars down and glue will pop off. There’s no need to apply it every time, so a $20 quart will last years.

On my cauls, I used to use packing tape, but have switched to vinyl stucco tape. Its red color means I’ll never again put a caul on upside down and have it glued to my panel :)

To protect my bench, I either use 24” wide craft paper that I buy in 2500’ rolls, or grilling mats that glue does not stick to. Amazon sells a 70 by 16 inch roll of the grilling mat material for $13.

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

View TravisH's profile

TravisH

613 posts in 2077 days


#9 posted 05-28-2018 04:05 AM

I bought about 6 feet of vinyl runner from the carpet section at the big box store. Catches any drips and when I roll it up they flake off. The stuff I bought was less than a 1.50 a ft. Been using it for about 6 years now without any issues. I do wish it was wider but easy enough to overlap if needed.

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