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#1
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What is the best way to remove sawdust before finishing?
I have a project that I have just finished sanding. What is the best way to
remove the sawdust before finishing it? I seem to remeber reading something recently to stay away from tack cloths as they leave a residue? Thanks. Stacey |
#2
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I NEVER use tack cloths any longer. A good shop vac with a round brush
attachment (I wrap tape around the brush to stiffen them) is what I use. Sometimes I also blow out the pores with a heavy blast of compressed air (with the doors open with cross ventilation so the dust goes bye-bye), followed by the aforementioned vacuum treatment. I use fast drying finishes and have no trouble with dust. Cloths can leave bits of lint. Tack cloths can mess up your finish. Dave Stacey wrote: I have a project that I have just finished sanding. What is the best way to remove the sawdust before finishing it? I seem to remeber reading something recently to stay away from tack cloths as they leave a residue? Thanks. Stacey |
#3
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With oil, I don't bother. It just doesn't seem to make any difference.
With varnish, I use a cloth dampened with mineral spirits. |
#4
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Compressed air from a tank isn't such a good idea. Lubircating oil, and
moisture can be sprayed onto your project, and that will definately stain wood, or screw up finishes. Go with dave's aforementioned vacuum treatment. SCB. |
#5
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I have a project that I have just finished sanding. What is the best way to remove the sawdust before finishing it? I seem to remeber reading something recently to stay away from tack cloths as they leave a residue? Thanks. Stacey Scraping. It is a whole art of it's own: http://www.leevalley.com/wood/page.a...=1,310&p=48431 http://www.leevalley.com/wood/page.a...=1,310&p=45784 http://www.leevalley.com/wood/page.a...=1,310&p=46266 http://www.leevalley.com/wood/page.a...=1,310&p=32669 My choice: http://www.leevalley.com/wood/page.a...=1,310&p=32635 A scraping blade must be burnished: http://www.leevalley.com/wood/page.a...=1,310&p=41070 Handheld blades: http://www.leevalley.com/wood/page.a...=1,310&p=41069 Scraping is an aquired art to a degree, especially in conditioning the blade. But it leaves wood very very smooth. -- Alex - newbie_neander in woodworking cravdraa_at-yahoo_dot-com not my site: http://www.e-sword.net/ |
#6
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Good point; you have to spray ONLY clean air!
Dave SatansCabanaBoy wrote: Compressed air from a tank isn't such a good idea. Lubircating oil, and moisture can be sprayed onto your project, and that will definately stain wood, or screw up finishes. Go with dave's aforementioned vacuum treatment. SCB. |
#7
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Stacey says...
I have a project that I have just finished sanding. What is the best way to remove the sawdust before finishing it? I seem to remeber reading something recently to stay away from tack cloths as they leave a residue? Thanks. Stacey I use a vacuum, a tack cloth and a wipe down with naphtha in that order. The naphtha will take away any tack rag residue and it is good for removing all the other gunk sticking to your wood like skin oil, and oil, grease and wax from machines. There are also tack rags available that don't use a sticky residue, but collect the dust in the fibers of the cloth. |
#8
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Is it true this is less of a problem (or no problem) with oiless
compressors? Is there a reliable, inexpensive way to filter otherwise? "David" wrote in message ... Good point; you have to spray ONLY clean air! Dave SatansCabanaBoy wrote: Compressed air from a tank isn't such a good idea. Lubircating oil, and moisture can be sprayed onto your project, and that will definately stain wood, or screw up finishes. Go with dave's aforementioned vacuum treatment. SCB. |
#9
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"Fourleaves" wrote in message hlink.net... Is it true this is less of a problem (or no problem) with oiless compressors? Is there a reliable, inexpensive way to filter otherwise? I do it with an oiless. Yes, there are filters available if you have oil in the air. This is more important with older compressors as the rings wear. It is also a method I use only if the weather is warm enough to do it outside. In the shop you just blow a lot of air and stir up more dust. -- Ed http://pages.cthome.net/edhome/ |
#10
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I use mostly waterborne finishes therefor wipe down with denatured alcohol or
even a damp ( with water) rag. If you don't flood the surface with water there is not much grain raising and it is looked after with the first light sanding. Cheers, JG Ba r r y wrote: On Sun, 29 May 2005 16:32:49 -0400, "Stacey" wrote: I have a project that I have just finished sanding. What is the best way to remove the sawdust before finishing it? I seem to remeber reading something recently to stay away from tack cloths as they leave a residue? I like compressed air and/or the same solvent as the first finish coat, except water. Water raises the grain. My most often prefinish wipe-down is done with mineral sprits. If I'm staining, I often don't get crazy about removing dust, as the washcoat, stain, barrier, and clear coats will get light rubs between coats. A blast of air is fine. Oiling is even easier, as the wiping of the oil removes dust. I've had no problems with store bought tack cloths used to wipe dust from between-coat scuffing of varnish, shellac, and lacquer. I don't use a lot of water base finishes, but others here do. They can comment on tack cloths and sawdust removal for those finishes. Barry |
#11
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On Sun, 29 May 2005 21:05:40 -0500, Hax Planx
wrote: I use a vacuum, a tack cloth and a wipe down with naphtha in that order. The naphtha will take away any tack rag residue and it is good for removing all the other gunk sticking to your wood like skin oil, and oil, grease and wax from machines. There are also tack rags available that don't use a sticky residue, but collect the dust in the fibers of the cloth. You'll find a ton of other similarly dangerous solvents to do the same job. However, I'd recommend alcohol as being the lesser of all evils [when used externally :-) ]. Volatile naphtha is positively definitely out in my book. Also recommended, likely understood, but worth a mention ...a lightly damped cloth, used quickly enough to avoid evaporation, not a soaking of the wood. |
#12
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On Mon, 30 May 2005 03:51:00 GMT, the inscrutable "Fourleaves"
spake: Is it true this is less of a problem (or no problem) with oiless compressors? Is there a reliable, inexpensive way to filter otherwise? Harbor Freight has filter/regulator sets on sale for $20 quite often. Grab one of those and your compressor will be set for life. I blow off any sanding dust (or, more often, scraping curlies) then wipe down the surface with denatured alcohol or lacquer thinner. Within minutes, I'm putting finish on. Since I like wiping varnishes and satin finishes, dust isn't as large a problem for me as it is with those who like those glaring pinanner finishes. P.S: Please learn to bottom-post. -- If you turn the United States on its side, everything loose will fall to California. --Frank Lloyd Wright |
#13
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those who like those glaring pinanner finishes. pinanner? |
#14
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I use a filter at the end of the line just ahead of the gun/nozzle
with an oiled compressor. On Mon, 30 May 2005 03:51:00 GMT, "Fourleaves" wrote: Is it true this is less of a problem (or no problem) with oiless compressors? Is there a reliable, inexpensive way to filter otherwise? |
#15
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Guess who says...
You'll find a ton of other similarly dangerous solvents to do the same job. However, I'd recommend alcohol as being the lesser of all evils [when used externally :-) ]. Volatile naphtha is positively definitely out in my book. Unfortunately, nothing compares to naphtha for cleaning up grease and oil and just because you can't see any doesn't mean it isn't there. Alcohol doesn't put a dent in it, nor does acetone. For a graphic illustration of this, try cleaning something greasy or oily in each. It is a fire hazard, but not as much so as gasoline, which we use regularly in much greater volumes and even more dangerous circumstances. Filling up your car is an accident waiting to happen. You have a large volume of extremely volatile and extremely flammable fuel with an enclosed space above it containing a mixture of the volatile fumes and air. One spark and the fireworks begin. Yes there is some danger if it is handled carelessly, but as woodworkers we handle volatile flammable materials all the time, so I assumed everyone was with the program of not setting their work area on fire. |
#16
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On Mon, 30 May 2005 10:57:19 -0500, Hax Planx
wrote: Unfortunately, nothing compares to naphtha for cleaning up grease and oil and just because you can't see any doesn't mean it isn't there. Alcohol doesn't put a dent in it, nor does acetone. For a graphic illustration of this, try cleaning something greasy or oily in each No mean-spiritedness intended here, but really, if you have THAT much grease on your work, you need another hobby. I've often gone not even close to that extent [using alcohol] and had absolutely no problems finishing whatsoever. |
#17
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toller wrote:
those who like those glaring pinanner finishes. pinanner? follered along aftuh th' hahpsicoed ... |
#18
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Greetings and salutations...
On Mon, 30 May 2005 15:15:06 GMT, "toller" wrote: those who like those glaring pinanner finishes. pinanner? AKA "piano"... Regards Dave Mundt |
#19
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Guess who wrote:
On Mon, 30 May 2005 10:57:19 -0500, Hax Planx wrote: Unfortunately, nothing compares to naphtha for cleaning up grease and oil and just because you can't see any doesn't mean it isn't there. Alcohol doesn't put a dent in it, nor does acetone. For a graphic illustration of this, try cleaning something greasy or oily in each No mean-spiritedness intended here, but really, if you have THAT much grease on your work, you need another hobby. I've often gone not even close to that extent [using alcohol] and had absolutely no problems finishing whatsoever. What type of finishes do you typically use? And, the advice of Hax isn't directed at the amount but the almost insane reactions against using anything that some see as the least bit flammable/toxic/whatever... Yeah, don't smoke while using naptha and don't sniff the can opening, but it's a common shop consumable, for heaven's sake! |
#20
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I finish 90% of my projects with shellac and thus find that a wipedown
with denatured alcohol kills two birds with one stone. For those who don't know, denatured alcohol is the solvent in shellac, and thus both removes dust and helps prepare for the finish. |
#21
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On Mon, 30 May 2005 13:00:28 -0500, Duane Bozarth
wrote: What type of finishes do you typically use? Tung oil, varnish, wax, .... sometimes stained first, sometimes not [make my own from pigment & turps.] And, the advice of Hax isn't directed at the amount but the almost insane reactions against using anything that some see as the least bit flammable/toxic/whatever... Not being paranoic, just judicious. Like working in chemicals labs taught me ...wash *before* peeing. |
#22
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Not being paranoic, just judicious. Like working in chemicals labs taught me ...wash *before* peeing. Yeah you donwanna burn yer dick off from some vile chemical and all... -- Alex - newbie_neander in woodworking cravdraa_at-yahoo_dot-com not my site: http://www.e-sword.net/ |
#23
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On Mon, 30 May 2005 15:15:06 GMT, the inscrutable "toller"
spake: those who like those glaring pinanner finishes. pinanner? Yeah, you know: Grand pinanners, upright pinanners, player pinanners, tons of coats of hand-rubbed black lacquer finishes on any kind of pinanner. P.S: If you still don't grok it, think "piano", silly. -- If you turn the United States on its side, everything loose will fall to California. --Frank Lloyd Wright |
#24
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Larry Jaques writes:
On Mon, 30 May 2005 15:15:06 GMT, the inscrutable "toller" spake: those who like those glaring pinanner finishes. pinanner? Yeah, you know: Grand pinanners, upright pinanners, player pinanners, tons of coats of hand-rubbed black lacquer finishes on any kind of pinanner. the only two pianos that I looked on really closely wre a baby grand with a cast aluminum frame in dull grey finish and an upright in oiled oak... -- Dr. Juergen Hannappel http://lisa2.physik.uni-bonn.de/~hannappe Phone: +49 228 73 2447 FAX ... 7869 Physikalisches Institut der Uni Bonn Nussallee 12, D-53115 Bonn, Germany CERN: Phone: +412276 76461 Fax: ..77930 Bat. 892-R-A13 CH-1211 Geneve 23 |
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