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Old 07-10-2019, 11:28 AM   #1
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Default PPG PVA Primer

I have recently switched from SW PVA to PPG PVA. Im having issues with the all of my seams flashing. The PPG has a sheen and I hear that it is better because of the hold out. I top coat with Speedhide Zero E/S and it took me 4 coats to hide the shadows I was getting on all of long runs. Thoughts?
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Old 07-10-2019, 11:34 AM   #2
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The best solution to PVA primer problems is to stop using PVA primer. Spend a few more dollars and avoid the problems.
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Old 07-10-2019, 11:38 AM   #3
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The best solution to PVA primer problems is to stop using PVA primer. Spend a few more dollars and avoid the problems.
What PPG Primer would you then recommend that won't break the bank? I refuse to shop at SW.
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Old 07-10-2019, 11:52 AM   #4
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What PPG Primer would you then recommend that won't break the bank? I refuse to shop at SW.

PVA upfront looks like it saves you a couple $/gal but in the end just cause you headache. PPG 6-2 is a good quality primer sealer. Will do what you want. BM also has some nice drywall sealers like superspec 253
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Old 07-10-2019, 02:27 PM   #5
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Can someone give us a lesson on PVA primer and why its bad?

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Old 07-10-2019, 02:51 PM   #6
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Can someone give us a lesson on PVA primer and why its bad?

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pva sealer was originally used when drywall had a seal coat between the paper and the gypsum. Now, since drywall doesn't have that seal coat,actual pva sealers get sucked into the gypsum itself and do nothing to prevent uneven topcoat sheen (and flash, same thing actually) issues.
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Old 07-10-2019, 06:16 PM   #7
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Can someone give us a lesson on PVA primer and why its bad?

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First you have to determine if the PVA you're referring to is a Poly Vinyl Acetate or a Poly Vinyl Acrylic. The PPG PVA is a Poly Vinyl Acrylic and is not considered a true PVA in my opinion.


In my opinion, PVA (Poly Vinyl Acetate) is a treatment designed to seal bare drywall surfaces that are high pH and is compatible with joint compounds that use PVA as a binder. It should have a subsequent coat of a poly vinyl acrylic primer or a couple of coats of a self priming finish over it.


As far as Poly Vinyl Acrylic, there are a number of similar and better products. I happen to like Zinsser 123 as a bare drywall primer, but it is not a true Poly Vinyl Acetate.

Last edited by CApainter; 07-10-2019 at 06:21 PM..
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Old 07-10-2019, 06:18 PM   #8
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Just use the 6-2 or the 6-4.

I could be wrong, but I dont think either of those are PVA.
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Old 07-11-2019, 11:43 AM   #9
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Just use the 6-2 or the 6-4.

I could be wrong, but I dont think either of those are PVA.

6-2 is a vinyl acrylic not PVA .PVA is glue. Elmers white and most wood glues are PVA.


PVA actually makes a pretty good wood conditioner (glue sizing) when thinned with water.
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Old 07-11-2019, 11:47 AM   #10
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6-2 is a vinyl acrylic not PVA .PVA is glue. Elmers white and most wood glues are PVA.


PVA actually makes a pretty good wood conditioner (glue sizing) when thinned with water.
From my understanding, PVA (the Acetate version) is also the binder used in most joint compounds. Making it a compatible surface treatment.
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Old 07-12-2019, 11:40 PM   #11
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The best solution to PVA primer problems is to stop using PVA primer. Spend a few more dollars and avoid the problems.
What PPG Primer would you then recommend that won't break the bank? I refuse to shop at SW.
Use speedhide primer sealer. It is a pretty heavy primer and covers well. I like it as much as the promar 200 primer. The only thing with the speedhide is it has a sheen to it, so I wouldn’t use it as a flat on ceilings.
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Old 07-13-2019, 04:40 AM   #12
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Use speedhide primer sealer. It is a pretty heavy primer and covers well. I like it as much as the promar 200 primer. The only thing with the speedhide is it has a sheen to it, so I wouldnít use it as a flat on ceilings.
Are you saying you put primer on ceilings as a topcoat?
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Old 07-13-2019, 09:20 AM   #13
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Are you saying you put primer on ceilings as a topcoat?
We used to use 2 coats Zinsser H 2 Oil primer for ceilings in taverns , no top coat. It worked well in covering the nicotine, and looked good. But that in a bar room....
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Old 07-13-2019, 03:23 PM   #14
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Can someone give us a lesson on PVA primer and why its bad?

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Its the cheapest option. Which may be fine for job being done or how used.


Why is it cheaper?

Primarily 100% acrylic resin is most expensive, how you make it less expensive, you start substituting vinyl resin in for some acrylic resin at a percentage. To make it even less expensive you start substituting Poly resin in for the vinyl/acrylic mix.

It has it uses, but limited uses.



Poor sheen hold out
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Old 07-13-2019, 04:36 PM   #15
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Use speedhide primer sealer. It is a pretty heavy primer and covers well. I like it as much as the promar 200 primer. The only thing with the speedhide is it has a sheen to it, so I wouldn’t use it as a flat on ceilings.
Are you saying you put primer on ceilings as a topcoat?
No, not with the Ppg speedhide sealer. It has a sheen. Now if you were using SW 200 primer you could. It’s a dead flat. If you’re going to use a Ppg flat go with proflat which is a dead flat or ultra hide 150 which use to be a glidden flat. It’s greaf too. I generally don’t use primer as my topcoat on ceilings because we have a lot of people work for us, so we would have problems. If it’s a Sw job we use 200 flat and if it’s a Ppg job we use proflat generally. Like I said it’s fine using a primer as a top coat if it’s a dead flat. Some primers hide great like 200 primer.

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Old 07-13-2019, 11:23 PM   #16
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It needs to be a high solids primer if using for a top coat. Some primers actually offer more of what your looking for in a finish coat than many ceiling paints . If doing a job on a tight budget this knowledge can be used to keep cost down without sacrificing quality.
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Old 07-14-2019, 02:32 AM   #17
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No, not with the Ppg speedhide sealer. It has a sheen. Now if you were using SW 200 primer you could. Itís a dead flat. If youíre going to use a Ppg flat go with proflat which is a dead flat or ultra hide 150 which use to be a glidden flat. Itís greaf too. I generally donít use primer as my topcoat on ceilings because we have a lot of people work for us, so we would have problems. If itís a Sw job we use 200 flat and if itís a Ppg job we use proflat generally. Like I said itís fine using a primer as a top coat if itís a dead flat. Some primers hide great like 200 primer.
My local SW store actually recommends Masterhide ceiling paint both as a ceiling paint and bare drywall primer. Using it as such everything seemed perfect, no flashing, good topcoat adhesion, etc. Really a time saver as you can roll ceilings and prime the walls from the same bucket and roller. Compared to SW's cheapo PVA primer I encountered working with another guy the system seemed loads better.
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Old 07-17-2019, 09:04 PM   #18
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No, not with the Ppg speedhide sealer. It has a sheen. Now if you were using SW 200 primer you could. It’s a dead flat. If you’re going to use a Ppg flat go with proflat which is a dead flat or ultra hide 150 which use to be a glidden flat. It’s greaf too. I generally don’t use primer as my topcoat on ceilings because we have a lot of people work for us, so we would have problems. If it’s a Sw job we use 200 flat and if it’s a Ppg job we use proflat generally. Like I said it’s fine using a primer as a top coat if it’s a dead flat. Some primers hide great like 200 primer.
My local SW store actually recommends Masterhide ceiling paint both as a ceiling paint and bare drywall primer. Using it as such everything seemed perfect, no flashing, good topcoat adhesion, etc. Really a time saver as you can roll ceilings and prime the walls from the same bucket and roller. Compared to SW's cheapo PVA primer I encountered working with another guy the system seemed loads better.
I'm down with that. Master hide has never let me down as a new drywall primer/ceiling paint. I'd never use it as a wall finish coat, though
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Old 07-19-2019, 09:51 PM   #19
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I'm down with that. Master hide has never let me down as a new drywall primer/ceiling paint. I'd never use it as a wall finish coat, though
During my lurking period here I read a post saying it was spec'd for walls for the governor's house in one state.
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Old 07-19-2019, 10:52 PM   #20
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I told my SW rep I didnt want SW PVA anymore he said try using the Latex Quick Dry Stain Blocking primer. I never used the stuff. Has anybody tried it? Any thoughts?

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