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Old 11-12-2009, 06:25 PM   #16
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Repainting over flat white latex paint on drywall.


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Yea, the feather duster is the first thing I pack into the job site, that and the spackle and lets not forget that specialty paint.
Just feather dusted and spackled a new job. It took awhile to dump out 400 little cans of the stuff into my drywall tray but it went on smooth with my 12" blade. Since you cannot dry or wet sand the stuff, I hope I got the texture right. Not sure what to do about the dust I had to shake off the feather duster though? Right now it is clinging to the baseboards along with pet hair and I need to paint them tomorrow. Should I vacuum and wash the floors or just feather dust them too enough for the brush to clear? I don't want anything to mess up my Valspar wall surfaces. Behr semi was on sale for $4 quart so I got me bunch with a pack of brushes in all sizes for $5.

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Old 11-12-2009, 07:32 PM   #17
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Repainting over flat white latex paint on drywall.


LOL...sounds like a great plan sd. Spackle kinda puts me in mind of marshmallow creme; I try not to get the containers mixed up to avoid spackle in the hot chocolate.

Btw....I have a really nice feather duster made with real ostrich feathers if any of you guys need it. Let me know and I'll ship within the continental US.
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Old 11-13-2009, 04:07 AM   #18
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Repainting over flat white latex paint on drywall.


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Just feather dusted and spackled a new job. It took awhile to dump out 400 little cans of the stuff into my drywall tray but it went on smooth with my 12" blade. Since you cannot dry or wet sand the stuff, I hope I got the texture right. Not sure what to do about the dust I had to shake off the feather duster though? Right now it is clinging to the baseboards along with pet hair and I need to paint them tomorrow. Should I vacuum and wash the floors or just feather dust them too enough for the brush to clear? I don't want anything to mess up my Valspar wall surfaces. Behr semi was on sale for $4 quart so I got me bunch with a pack of brushes in all sizes for $5.

You're good to go
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Old 11-13-2009, 04:09 AM   #19
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Repainting over flat white latex paint on drywall.


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LOL...sounds like a great plan sd. Spackle kinda puts me in mind of marshmallow creme; I try not to get the containers mixed up to avoid spackle in the hot chocolate.

Btw....I have a really nice feather duster made with real ostrich feathers if any of you guys need it. Let me know and I'll ship within the continental US.

I already have two in my tool box, one foe each hand,time equals $ you know.
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Old 11-13-2009, 06:48 AM   #20
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Repainting over flat white latex paint on drywall.


Then again, maybe the feather dusters are reserved for Behr and Valspar jobs only....just to maintain the quality consistency.
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Old 11-14-2009, 08:35 AM   #21
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Repainting over flat white latex paint on drywall.


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I already have two in my tool box, one foe each hand,time equals $ you know.
Yeah sure. Prove you are not lying and post the pictures. Did you get yours from this guy?

http://www.featherdusterdepot.com/

By the way Chris, I trusted you. The baseboards look a bit dusty and hairy. Is this normal? I tossed the $5 pack of disposable brushes and the feather duster's into the client's pool. OK?

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Old 11-14-2009, 06:30 PM   #22
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Repainting over flat white latex paint on drywall.


On a side note, when we wash painted walls on insurance case (water damage) calls, we never reach for a detergent; knowing detergents a wee bit, I can say there are no compounded detegents out there that don't leave a sticky residue. The exception to this is Spic and Span. TSP is equivalent although cheaper, but no insurance company would accept a preparation step for a painted wall washed with a detergent, if it is to be repainted.
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Old 11-14-2009, 07:01 PM   #23
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On a side note, when we wash painted walls on insurance case (water damage) calls, we never reach for a detergent; knowing detergents a wee bit, I can say there are no compounded detegents out there that don't leave a sticky residue. The exception to this is Spic and Span. TSP is equivalent although cheaper, but no insurance company would accept a preparation step for a painted wall washed with a detergent, if it is to be repainted.
TriSodiumPhosphate (TSP) is one of the oldest detergent components on the face of the planet. So is S&S which includes TSP or trisodiumcalcinate. What a nonsense comment. Insurance companies denying coverage because you washed walls before painting? When they were no doubt racing to cover water damage in the first place? List the names so we avoid them.

http://en.wikipedia.org/wiki/Trisodium_phosphate

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Old 11-14-2009, 07:15 PM   #24
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Repainting over flat white latex paint on drywall.


Etherag,

I am guessing you can pick out the bad advice and disregard it on your own. Just want to mention not to use a household cleaner (detergent included) for some of the reasons listed above. Use TSP, it works and it's cheap. Just be sure to rinse it well because like all detergents it will leave a residue. I like to shop vac everything with the wide floor brush including the ceiling before washing it down with the TSP.

As far as sanding goes. Not a bad idea in my opinion. You don't have to go crazy. A light once over with a drywall screen on a pole is quick and gets most of those little nubs off the wall from bad drywall finish and past roller boogers. Of course, if you are going to do this, do it before you vac everything down.

Good luck.

Rege

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Old 11-14-2009, 07:22 PM   #25
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From wikipedia.

Plain water, if used for cleaning, is a detergent. Probably the most widely-used detergents other than water are soaps or mixtures composed chiefly of soaps. However, not all soaps have significant detergency and, although the words "detergent" and "soap" are sometimes used interchangeably, not every detergent is a soap.
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Old 11-15-2009, 07:09 AM   #26
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Repainting over flat white latex paint on drywall.


TSP (trisodium phosphate) is one of many 'builder' salts, as are zeolites, and silicates; a "detergent" is a compounded mixture of surfactants, mostly anioinic and nonionic, plus builder salts, plus a number of other ingredients put in there for specific reason - like foam stability etc. I use TSP (which has a function of a detergent) and maybe Spic n Span like the book tells us to do, but laundry, dish, and some general purpose detergents are way too loaded with anionics that they leave a residue that, OK, can be rinsed off - but that's an extra step.

Same process in carpet or upholstery cleaning. The minimum amount of a surfactant that is needed in a solution in order to affect detergency (in terms of lowering surface tension etc) is 0.01% of a 100% active surfactant (and most built detergents out there used way more than that) especially carpet shampoos. That's why rotary shampoo methods of carpet cleaning are obsolete and now carpet cleaning detergents are mostly salts and why water damage insurance underwriters don't require carpet cleaning with foam shampoo methods. Hot water extraction only...

Not all walls will benefit from a TSP rinse; but where there's grease, TSP is a polyphosphate and has a synergisitic effect in terms of water-softening and soil suspension. It has a high pH and as pointed out is cheap. It forms a soap naturally...

Also pointed out by some cut-and-paste artist above are the often interchangeable terms: 'soaps' and 'detergents'...I'll leave that one and let this guy sort himself out.

As for water being a detergent, I don't have time to explain that to him; the words would be too long.

The OP and the rest can take this info to the bank.

PS: there's no such compound as "trisodium calcinate"
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Old 11-27-2009, 08:13 PM   #27
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Man you guys love to argue!
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Old 11-28-2009, 07:41 AM   #28
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Repainting over flat white latex paint on drywall.


There's no arguing over facts. There is over opinions - and opinions of facts too - however and here we have a few guys expressing their opinions so you get arguments. No-one's right and no-one's wrong...But I'll bet that if you put three painters from 3 different backgrounds from 3 different parts of the country in the same room looking at the same paint job to do, they'd probably come up with the same plan of action - even though they disagree here.

I also think people come to argue to make themselves feel important.

I see alot of people - like the OP perhaps - who read a website that says "add dish detergent to wash walls before painting", and I see people with soapy, sudsy water washing their walls down without rinsing. Bad idea...

So then there's the issue of how much detergent do you add? It's actually about a drop in a 5-gallon bucket. Same concentration as you have in windshield washer detergent for your car - or in 'Windex' glass cleaner. It's there - but you don't see bubbles do you? Imagine if you did get bubbles on your windshield travelling at night at 70mph!

TSP is a "detergent" in a sense..it cleans, but makes no bubbles. Rinses clean too. That's why it is used in washing walls before painting - whereas a compounded detergent to clean your garbage can is not.

I carry around a feather-type duster in my van, as well as a Swiffer-type mop, a Shop Vac, as well as TSP, dish detergent and "Mean Green" detergent...depends on the job that needs doing. No 2 jobs are alike.
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Old 11-28-2009, 08:13 AM   #29
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peace, I know everyone has opinions and there are facts. some learn from the the pro's and some ARE pro's and some learned to paint from fingerpainting on Seasome Street ( That would be me ) . I'm just basically non-confrontational, so I would just post my opinion and not tell someone else they were stupid for their opinion. Just give the reason they were wrong and let the DIY'r pick out from the facts of the majority. Not trying to start anything............
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Old 11-28-2009, 09:05 AM   #30
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"Not trying to start anything..."

I know; didn't think you were. Arguments provoke reflection and maybe - just maybe - provokes what 'advancement' is all about: coming up with a plan; trying it out; adjusting it to make it better; testing it out again; readjusting it; retesting it... etc etc

That's how theorems are born and become scientific fact. Theories are dreamt up, put to the test, tried out, adjusted, tried again, readjusted... ad infintum until no-one else can challenge the theory and change it. Then it becomes almost a fact...

Then there's the "unprovables"...like, can anyone here 'prove' that Benjamin Moore paints are better than some other brand? They can't, but there is so much evidence that they are better on levels than matter to most painters that it almost becomes gospel.

And just because someone has no problems with using x detergent on a wall doesn't mean that's a representative sample...just that one guy's opinion - and I cannot afford to base my production and my reputuation on that...nor can anyone else.

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