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what are some uses for sawdust??

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Forum topic by indplswoodworking posted 488 days ago 2805 views 0 times favorited 45 replies Add to Favorites Watch
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indplswoodworking

278 posts in 920 days


488 days ago

I toss a 100 lbs bag of sawdust every month and wondering if anyone has some creative ways of utilizing it around the shop? It is a mixture of everything including solid , MDF , plywood , and partical board. SO I am not sure how appropriate it would be for gardening , compost , or animal bedding.

-- https://www.facebook.com/MccloudsCreativeConcepts


45 replies so far

View a1Jim's profile

a1Jim

112010 posts in 2203 days


#1 posted 488 days ago

use as a mulch around plants,use in chicken coops and horse stalls,mix in soil for better soil moister content . mix with other composting material in a compost bin,use to absorb oil spills in driveways.

-- http://artisticwoodstudio.com Custom furniture

View stan3443's profile

stan3443

199 posts in 902 days


#2 posted 488 days ago

Absuluty no walnut for horse bedding

-- If your not supposed to have hair on your face......why does it grow their

View Marcus's profile

Marcus

1041 posts in 646 days


#3 posted 488 days ago

I annoy my neighbors by dumping it in the woods behind the house if that helps :)

I would love to hear some ideas too.

View JoeinGa's profile

JoeinGa

3157 posts in 633 days


#4 posted 488 days ago

I keep some of the finer dust to use as “oil-dry”, it seems to soak up the oil better then the chunkier stuff. I put the rest of it around my rose bushes and trees for bedding. After it gets wet a few times it will clump up and harden some, so couple times a year I take a steel rake and break it up.

-- Perform A Random Act Of Kindness Today ... Pay It Forward

View rhett's profile

rhett

697 posts in 2294 days


#5 posted 488 days ago

I am in the process of converting an old hydraulic bearing press into a sawdust log maker. Once I get the kinks worked out I will post the finished product.

-- http://planeandsimpleblog.wordpress.com/

View BigMig's profile

BigMig

259 posts in 1240 days


#6 posted 488 days ago

I listen to a gardenign program on the radio and the host specifically says NOT to use it as a mulch – bacteria draw nutrients out of teh soil min breaking down the sawdust…so don’t put it in conposting bin, nor use it as mulch.

Sorry for the bad news.

-- Mike from Lansdowne, PA

View Airspeed's profile

Airspeed

413 posts in 529 days


#7 posted 488 days ago

I use it for all sorts of stuff, I mix it with different types of cleaners to soak up spills, it works great mixed with carpet cleaner for stains in carpet, just rub it in and lets it soak up the stain, I mix it so its not wet, just so it sticks together. I use to soak up oil or water spilled in the shop. If I’m building something that needs extra strength I mix it with glue to make fillets, I did this on a wooden boat ant really made a difference. Sawdust works great cleaning oil out of concrete, just rub it into the concrete with a chunk of 2X4 and sweep it up. That’s not going to use up as much as you throw away but it’s a start!

-- http://smg.photobucket.com/albums/v655/aaronhero/

View sprucegum's profile

sprucegum

323 posts in 624 days


#8 posted 488 days ago

http://burlington.craigslist.org/grd/3722214954.html Found this on craigs list recently not too far from where I live but a little farther than I want to go to trade a pickup load of sawdust for a pork chop with gas prices the way they are. Besides a friend already takes them and give me a few eggs when he has extra.

-- A tube of calk and a gallon of paint will make a carpenter what he ain't

View WDHLT15's profile

WDHLT15

1093 posts in 1102 days


#9 posted 487 days ago

Because of the high carbon to nitrogen ratio of sawdust, It will not breakdown without supplemental nitrogen. If you mix it in the soil, the bacteria that breaks it down will steal the nitrogen from the soil, and your plants will be nitrogen deficient and turn yellow. You have to add nitrogen to the sawdust for it to breakdown, then it will be good to add to the soil. You could put it in a pile, mix in nitrogen fertilizer (Miracle Grow is high in nitrogen), and let it decompose before adding it the the soil. Be aware that the heat from the decomposition process of sawdust in a large pile could cause spontaneous combustion, and the pile could catch on fire. Very large sawdust piles can smolder for months.

I make a lot of sawdust with my sawmill. I add it as a topcover mulch in places where I do not want grass or weeds to grow. It retards weeds and grass, and works fine for that purpose as long as you leave it on top of the soil and do not mix it in the soil. Works good around trees and shrubs. Throw on a handful of high nitrogen fertilizer.

-- Danny Located in Perry, GA. Forester. Wood-Mizer LT15 Sawmill. Nyle L53 Dehumidification Kiln

View Mark Davisson's profile

Mark Davisson

483 posts in 1944 days


#10 posted 487 days ago

I’ve watched some youtube videos on making burnable bricks from sawdust. The idea that seems most effective to me is to soak (for a couple of days) the sawdust in a tub of water that also includes shredded newspaper and/or grass clippings. I don’t think the proportions matter that much – say 1 part sawdust, 1 part newspaper and 1 part grass clippings.

After the couple of days of soaking, place the slurry in some sort of form and compact it as much as possible (using a bottle jack or lever press), removing as much of the water as possible. Remove the still-damp brick from the form and set it out for a couple of months to dry. Then they’re ready for winter use.

-- I'm selfless because it feels so good!

View Sandblastguy's profile

Sandblastguy

42 posts in 738 days


#11 posted 487 days ago

Mix it with wax and stuff it in a toilet paper tube then when it hardens cut it into pucks with your bandsaw. Now you have a stack of fire starters for the fire place or the camp fire. You can put a wick in each one or wrap them in news paper as a starter. Great little give aways and a great use for sawdust.

-- Sandblastguy Orangeville On. Creating Art From Nature

View dbray45's profile

dbray45

2488 posts in 1403 days


#12 posted 487 days ago

There are a lot of plants and animals that can be injured from walnut and several other species.

If you are running oak, pine, cherry, and maple, you should be good.

-- David in Damascus, MD

View rob_port's profile

rob_port

1 post in 487 days


#13 posted 487 days ago

With MDF and particle board waste I wouldn’t use it for composting or animal bedding. If you can separate out your waste into wood and engineered wood, I would suggest using the wood sawdust as WDHLT15 suggests.
I mix mine with urine and leave it as a mulch 1-3’ from plants I want to feed, so that they don’t get an ammonia shock.
For the engineered wood waste, I’d probably save it and use it as an aggregate with cement where I need stiffness but not massive loadbearing.

View Pdub's profile

Pdub

891 posts in 1806 days


#14 posted 487 days ago

If you don’t want to keep it, check with your local boy/girl scout troops. I recently gave away a bag so they could make fire starters like Sandblastguy mentioned earlier.

-- Paul, North Dakota, USAF Ret.

View SteviePete's profile

SteviePete

224 posts in 1929 days


#15 posted 487 days ago

I keep MDF, Walnut, Butternut, Plywood and fine dusts from the saws out of the compost. The leftover chips (use a separation unit). I trade for compost. I actually prefer mill dust and hogged bark for compost. But I settle for planer chips. Before getting kuku about the brown vs green mix – composting will eliminate most of the obnoxious horse pee and stall wastes odor. You will need some N unless your use topsoil for your admixture. What a fine neighbor you could be. If it stinks too much just let it sit for another season. Mix the pile when the wind is right. So many ways to get good soil amendments. Try fish guts, food waste (no meat scrap), grain or flour mill dust. Use University Extension to test the NPK ratio—-it will tell you exactly what you have or need to get a stabilized product. (I think you need to run organic acids for stability.) Lots of good literature on composting various waste streams. Good luck. Steve, On Wisconsin!

-- Steve, 'Sconie Great White North

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