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Forum topic by ChuckV posted 850 days ago 1739 views 0 times favorited 9 replies Add to Favorites Watch
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ChuckV

2397 posts in 2151 days


850 days ago

Topic tags/keywords: glue temperature

I have an unheated shop in New England. In the cold weather, I always do glue-ups in the house. I use Titebond III.

During the Spring and Fall, the temperature is often high enough to glue-up in the shop during the day, but then drops below the recommended temperature at night. In this situation, I haul the piece into the house for the night. I wondered if this is necessary. Using the form at titebond.com, I asked how long after glue-up the temperature is important.

I received an excellent response in just 30 minutes. I thought I would share this information, as well as give a big thumbs-up to the customer service.

Titebond III will not chemically perform at or below its stated Chalk temperature of 47° F. If you reduce the temperature of the wood, glue or room below the chalking temperature, the glue does not coalesce (form a continuous film) on drying. This is evidenced by a dried film which is whiter than normal and looks “chalky.” Where the bond is formed at all, the resultant strength of a chalked glue joint is lower than normal and will always remain weak and often times will fail.

In regards to timeframe, the temperature really needs to be maintained for a minimum of 24 hours after glue up. At temperatures closer to the 47° F, you may want to wait 36 hours to be sure the glue has dried completely.

-- “That it will never come again / Is what makes life so sweet. ” ― Emily Dickinson


9 replies so far

View boxcarmarty's profile

boxcarmarty

9120 posts in 984 days


#1 posted 850 days ago

Excellent info Chuck. Thanks for posting…..

-- My mind is like lighting, one brilliant flash, then its gone.....

View Jeff in Huntersville's profile

Jeff in Huntersville

398 posts in 1818 days


#2 posted 850 days ago

Good information to know. I’m fortunate that recently, even in the middle of winter, my garage here in North Carolina never drops into the 40’s. Summer temperatures are another matter.

View robert triplett's profile

robert triplett

1481 posts in 1729 days


#3 posted 850 days ago

I had a couple of glue failures this winter when the titebond 3 went white quickly. It gets close to zero often, but not really bad this year. I had to increase the temp in my shop and cut back on making big cutting boards. I started to ‘whack’ the boards on my work bench to get some idea if the glue bond was good! thanks for the info.

-- Robert, so much inspiration here, and so little time!

View LukieB's profile

LukieB

921 posts in 954 days


#4 posted 850 days ago

Wow, unfortunately I know exactly what they mean by “chalky” white film….hope those joints don’t fail. Oh well, too late to do anything about it now.

-- Lucas, "Someday woodworks will be my real job, until then, there's this http://www.melbrownfarmsupply.com"

View smokey1945's profile

smokey1945

75 posts in 2006 days


#5 posted 850 days ago

+1 for covering with an electric blanket!

-- TheShadeTreeWW If God wanted me to touch my toes, he'd have put them on my knees

View derosa's profile

derosa

1533 posts in 1459 days


#6 posted 850 days ago

That explains why the last two boards I glued onto my workbench came off so easily when I didn’t think they glued on correctly. Only took a small chisel and a hammer to seperate them and they came apart at the glue line. All my other projects I glued in the cold but immediately set in the hallway outside my shop door and they bonded strong.

-- --Rev. Russ in NY-- A posse ad esse

View Loren's profile

Loren

7386 posts in 2272 days


#7 posted 850 days ago

I would recommend you look at using urea glue for winter
glue-ups.

PVA glues are convenient and I use them, but faced with
the threat of joint failure and shuffling work into the house
you are dealing with in the winter I would mostly use
something else. Weldwood, sold in a powder, has
a very long shelf life and is versatile.

-- http://lawoodworking.com

View Martyroc's profile

Martyroc

2708 posts in 930 days


#8 posted 850 days ago

Thanks for posting the info, I knew the cold weather was a factor, I have not had any joints fail so far, (fingers crossed), but there is always a first time. Up here in the north east you never know what winter is going to be, last year was like antartica this year, one snow in October, ( go figure) and 50-70 degrees on and off through Jan- March. I have a heated shop but the cost to heat it up here, I might have to sell a Kidney which only gets me through one winter, LOL.

-- Martin ....always count the number of fingers you have before, and after using the saw.

View Dave's profile

Dave

11149 posts in 1464 days


#9 posted 849 days ago

Good stuff Chuck, thanks

-- Superdav "No matter where you go - there you are." http://chiselandforge.com

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