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Ok to sand in hot weather?

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Forum topic by 72hw posted 87 days ago 722 views 0 times favorited 14 replies Add to Favorites Watch
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72hw

85 posts in 712 days


87 days ago

Topic tags/keywords: sanding finishing question mahogany maple wenge sander

So I was at the neighborhood Ace this evening picking up some paper for my ROS. Decided to try the Shop Smith stuff as everyone around here raves about it and as I was going to check out a friendly guy who obviously works hard asked me if I was going to use the sandpaper tonight. He gave me the impression it was too hot outside to sand, but the conversation drifted to other topics quickly and we never got back to it.

Total NOOB question time…

So here’s the deal, I have some bottle opener backer boards I was hoping to get sanded this evening with the intent of putting on a coat of Danish oil once it cooled off a bit. It was around 95 F today in Sierra Madre (Los Angeles) and is currently in the high 80’s at 6:00 PM. My plan was to sand the boards, made of mahogany, wenge and maple, down to 220 grit and then put a couple coats of Watco on them once temps cooled down into the 70’s after dinner.

The weather is supposed to be even hotter tomorrow, upwards of 100 F, but I was hoping to get these new openers done before a big party… You know, lots of beer drinkers drinking beer should be willing to part with some cash for a spiffy magnetic beer opener, right?

Is this a fools plan?

How would temprature affect sanding in a negative way?

I bet the simple answer is expansion and contraction of the grain, but I’m really good at missing the obvious. I kinda don’t want to F them up, ya know?

Bashfully,

Christopher

-- “Weird heroes and mould-breaking champions exist as living proof to those who need it that the tyranny of 'the rat race' is not yet final.” ― Hunter S. Thompson


14 replies so far

View richardwootton's profile

richardwootton

1087 posts in 556 days


#1 posted 87 days ago

I can’t think of a good reason not to sand in warm weather, but I just don’t know. I usually try and avoid sanding as much as possible and opt for a smooth plane.

-- Richard, Hot Springs, Ar -- Galoot In Training

View bondogaposis's profile

bondogaposis

2446 posts in 952 days


#2 posted 87 days ago

Other than the sand paper getting hotter faster and wearing out a little sooner, there is no good reason not to sand.

-- Bondo Gaposis

View woodchuckerNJ's profile

woodchuckerNJ

868 posts in 235 days


#3 posted 87 days ago

I have only 2 guesses.
One that you will sweat all over your work.
Or that the glue on the sandpaper would weaken from the heat of the air and heat of sanding. Or the velcro might fail from both.

That’s just a guess.

-- Jeff NJ

View 72hw's profile

72hw

85 posts in 712 days


#4 posted 87 days ago

I agree about the plane, and try to avoid sanding too but I don’t have a profile card scraper that will work for this at the moment.

Good point about the sweat!

So what about the finish? Watco claims the Danish oil cures quickly…

C

-- “Weird heroes and mould-breaking champions exist as living proof to those who need it that the tyranny of 'the rat race' is not yet final.” ― Hunter S. Thompson

View Dark_Lightning's profile

Dark_Lightning

1670 posts in 1710 days


#5 posted 87 days ago

Too hot to sand for him. Nothing to do with sanding in general.

View lateralus819's profile

lateralus819

1319 posts in 490 days


#6 posted 87 days ago

Only thing i could guess is sweat. I’ve noticed it and it IS annoying if you’re sweating and the sawdust is stickin to ya.

I remember having to re-sand a table top in 90+ degree weather, drippin all over it, and caked in dust. No fun.

-- Never confuse mistakes with failure. Kevin

View JAAune's profile

JAAune

756 posts in 917 days


#7 posted 87 days ago

Yes, sawdust and sweat is an unpleasant combination. This is especially true if you’re sanding reddish-hued woods and are wearing light-colored clothing.

Mahogany dust could earn a second life as an additive in RIT products.

-- See my work at http://remmertstudios.com and http://altaredesign.com

View 72hw's profile

72hw

85 posts in 712 days


#8 posted 87 days ago

Good thing I did the padouk last week then – it was only in the high 80’s!

C

-- “Weird heroes and mould-breaking champions exist as living proof to those who need it that the tyranny of 'the rat race' is not yet final.” ― Hunter S. Thompson

View Grandpa's profile

Grandpa

3048 posts in 1276 days


#9 posted 87 days ago

Yes it is bad to sand in the heat. It makes you sweat and get all hot and smelly. Never heard of any reason to not sand in the warm temps. I usually work in the heat and if it isn’t hot I usually turn the heater on in the shop. We have 2 seasons in Oklahoma. Hot and cold.

View Ingjr's profile

Ingjr

137 posts in 1617 days


#10 posted 86 days ago

If I couldn’t sand when it’s hot I’d never get anything done. It’s always hot.

-- The older I get the faster I was.

View mantwi's profile

mantwi

298 posts in 497 days


#11 posted 86 days ago

The heat will not effect the performance of the sand paper at all. Saying it’s too hot to sand had to have more to do with your comfort than anything else. When your sweaty the dust clings to you a little more than when you aren’t. I hate sanding no matter what the weather and am easily convinced to plane or scrape instead.

View bbc557ci's profile

bbc557ci

541 posts in 675 days


#12 posted 86 days ago

Maybe the guy actually meant high humidity? Would high humidity affect how well (or not) some woods would sand??

-- Bill, central NY...no where near the "big apple"

View Rick M.'s profile

Rick M.

3785 posts in 981 days


#13 posted 85 days ago

The guy was making small talk, nothing more.

-- |Statistics show that 100% of people bitten by a snake were close to it.|

View 72hw's profile

72hw

85 posts in 712 days


#14 posted 85 days ago

Yeah – I believe Rick is right. I sanded and finished the items with no incident at all… other than being a bit sweaty – but it IS Southern California after all!

-- “Weird heroes and mould-breaking champions exist as living proof to those who need it that the tyranny of 'the rat race' is not yet final.” ― Hunter S. Thompson

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