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#1
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Sanding Sealer Dries Instantly
In an effort to get a perfectly smooth painted (latex) finish on a
door, I applied a water-based sanding sealer (Olympic) prior to painting. The stuff dried within seconds of being applied, at least enough to prevent it from leveling. Trying to sand it level brought me back to bare wood on most of the door. Multiple coats did result in a beautifully smooth finish on most of the door, but there were still some ripples and rough areas that seemed to emanate from the very first coat. After sanding back to bare wood, I'm reluctant to try this stuff again, but I'm thinking it would level quite a bit better if I could slow the dry time. Will Floetrol help? Thanks for any thoughts. |
#2
Posted to rec.woodworking
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Sanding Sealer Dries Instantly
wrote in message oups.com... In an effort to get a perfectly smooth painted (latex) finish on a door, I applied a water-based sanding sealer (Olympic) prior to painting. The stuff dried within seconds of being applied, at least enough to prevent it from leveling. Trying to sand it level brought me back to bare wood on most of the door. Multiple coats did result in a beautifully smooth finish on most of the door, but there were still some ripples and rough areas that seemed to emanate from the very first coat. After sanding back to bare wood, I'm reluctant to try this stuff again, but I'm thinking it would level quite a bit better if I could slow the dry time. Will Floetrol help? Thanks for any thoughts. mix it with a retarder, most sealers have thinners and retarders ,the latter to extend the drying times |
#3
Posted to rec.woodworking
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Sanding Sealer Dries Instantly
Why'd you apply the sanding sealer? Tom
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#5
Posted to rec.woodworking
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Sanding Sealer Dries Instantly
mix it with a retarder, most sealers have thinners and retarders ,the
latter to extend the drying times I see nothing on the Olympic web page about the availability of a retarder. I'll ask at Lowes. Thanks. |
#6
Posted to rec.woodworking
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Sanding Sealer Dries Instantly
Why'd you apply the sanding sealer? Tom
As I applied multiple coats of my top coat to hide the wood grain, the surface displayed more and more orange peel, in spite of sanding between coats. Since latex doesn't sand well, I was hoping this might offer a solution. |
#7
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Sanding Sealer Dries Instantly
I use BIN (pigmented) or Seal Coat (clear) under just about anything,
including latex. I'll take a closer look at these. I like the idea of a silver bullet. :-) Thank you. |
#8
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Sanding Sealer Dries Instantly
So when/if you get a perfectly smooth surface, how are you going to
get ugh latex on perfectly smooth? Not with a brush or roller, probably not sprayed either. Well, I had hopes. :-) Lots of articles in the archives where people promised that using the foam rollers would provide a glass-like finish. I'm beginning to think that must only be true with oil paint. Actually, my first coat is pretty darn smooth, just too thin. After a couple of coats, it's no longer smooth. I have one place on my wall where I applied a skim coat of joint compound and the paint is very smooth, so it seemed plausible that the smoother the original surface, the more likely the paint would be smooth. However, it may be true that a coat of latex paint doesn't provide the ideal surface for another coat to level. If these experiments convert me to oil paint for some applications, then at least I'll go into it knowing where the real limits of latex are. |
#9
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Sanding Sealer Dries Instantly
n addition, yer younglings will bang that perfect surface up soon
enough. No younglings! :-) Get it on some horses. Been on horses for about two weeks. sigh Priming is a must for fresh wood. It was actually stained, but didn't seem to have any finish on it. Regardless, I used Zinser's BullsEye 123. I will try your suggestions. I had not used greater than 220 on the sanding, but I did have Floetrol added to the primer and topcoat. Thank you! |
#10
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Sanding Sealer Dries Instantly
On Fri, 02 Dec 2005 08:01:18 -0800, gesres wrote:
I use BIN (pigmented) or Seal Coat (clear) under just about anything, including latex. I'll take a closer look at these. I like the idea of a silver bullet. :-) I haven't used the BIN, but I too swear by Sealcoat. I even use it as my shellac finish. Takes a few more coats since it's a one pound mix, but goes on flatter. |
#11
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Sanding Sealer Dries Instantly
Have read that Zinsser doesn't recommend Seal Coat as top coat/final
finish. Have NOT read why not. On Fri, 02 Dec 2005 08:51:26 -0800, Larry Blanchard wrote: On Fri, 02 Dec 2005 08:01:18 -0800, gesres wrote: I use BIN (pigmented) or Seal Coat (clear) under just about anything, including latex. I'll take a closer look at these. I like the idea of a silver bullet. :-) I haven't used the BIN, but I too swear by Sealcoat. I even use it as my shellac finish. Takes a few more coats since it's a one pound mix, but goes on flatter. |
#12
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Sanding Sealer Dries Instantly
FWIW . . .
I grew up with oil fired 'Hot Water Radiator' heating. We were ALWAYS doing something to the house and basement was storage/shop/playroom,etc. There were no 'water based' finishes. 'Fast Forward' about 30 years. A few years after I got married we bought a house . . . with 'Gas Fired Hot Air' heating, etc. Needless to say . . . my 'skills' were to be applied. When I used the OIL based finishes I was familiar with, the entire house developed a subtle, odd odor. My wife, the chemist identified it . . . "burned hydrocarbons". From the few molecules that got into the air and came in contact with the tiny 'pilot lights' in the rangetop and water heater!! So began my research into 'Water-Based, 100% Acrylic, . . . etc' finishes. And a frustrating time it has been !! My last 'adventure' was finishing a wooden replica of a 17th Centry ships anchor. It took about 3 months and about 12 coats of grey primer and black finish coat. The basic problem was that when I did the 'between coats' sanding . . . the 'coat' would peel off !! Even after 72 hours of 'drying' in a 'room temp' environment. {and with different concentrations of Flotrol}. I finally called the paint manufacturer . . . and pushed through untill I got directly to the Technical Lab. It turns out that the 'Acrylics' need a LONG 'cure time' . . . 14 DAYS {or longer, depending on the temperature & humidity of the environment}!! This is similar to the epoxy I work with - but they only need about 72hrs for a 'working cure'. In your case I would do a few experiments. Take a piece of '1x6' paint it one side with the primer. Then {starting at 3 days} sand a 6 to 8inch section, then sand another section the next day, etc., etc., untill the board is 'filled'. Then put on a topcoat and repeat. To be exact . . . follow whatever sequence you on your door, etc. While this may take time, you will then KNOW, EXACTLY what WORKS for YOU. Take notes, and you will be able to repaat the results . . . every time. Even though you may find variations . . . in you change brands, if the manufacturer changes formulations, etc. . . . you'll know WHERE to start for that specific combination. Regards & Good Luck, Ron Magen Backyard Boatshop {PS: Get used to it . . . petroleium-based finishes are getting slowey pushed or legislated out of the market} wrote in message ups.com... So when/if you get a perfectly smooth surface, how are you going to get ugh latex on perfectly smooth? Not with a brush or roller, probably not sprayed either. Well, I had hopes. :-) Lots of articles in the archives where people promised that using the foam rollers would provide a glass-like finish. I'm beginning to think that must only be true with oil paint. Actually, my first coat is pretty darn smooth, just too thin. After a couple of coats, it's no longer smooth. I have one place on my wall where I applied a skim coat of joint compound and the paint is very smooth, so it seemed plausible that the smoother the original surface, the more likely the paint would be smooth. However, it may be true that a coat of latex paint doesn't provide the ideal surface for another coat to level. If these experiments convert me to oil paint for some applications, then at least I'll go into it knowing where the real limits of latex are. |
#13
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Sanding Sealer Dries Instantly
In your case I would do a few experiments.
Ron, I like your approach. Acquiring first-hand knowledge is always better than just doing something you read about somewhere. Thanks for your suggestions! |
#14
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Sanding Sealer Dries Instantly
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