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Beth777 08-18-2008 10:25 AM

Looking for primer information?
I think there was a great informative post on the comparative cost and quality of a few popular exterior primers...but I can't find it now!

Could someone please point me to primer information, if they know how to find it? :)

What's great to use, good to use, or good to avoid?

slickshift 08-19-2008 06:35 AM

As with most paints, the cost should be low on the consideration totem pole
The correct/best product for the job, and/or that suits your needs, should be the highest

Usually it's best to go with a national company with premium lines that professionals use, but within those lines you will find many different primers, each with it's own specialty

It would be much, much, easier if you mentioned what your needs are at your local Paint Store (don't bother with the BigBox stores...they don't have the best product or knowledge), or simply post up what you are doing here and we can suggest a few

As a general rule, you can't go wrong with Ben Moore's, Sherwin Williams, or Zinsser's primers, but again, it's which product from each line is correct for you is the tricky part

Any 3, 6, or even more dollar difference in price hardly matters if the entire project fails due to the incorrect, or poor quality primer

Beth777 08-19-2008 06:55 AM

Thanks...this is in talking with someone who just bought some Valspar primer and started putting in on their house, at probably close to $20/gallon cheaper than what we paid for our SW primer...

Their primer is a lot thinner than ours, and is not covering very well. Can they put a better primer over their layer of Valspar, or will they need to sand that down first?

slickshift 08-19-2008 01:05 PM

I can't imagine why there could possibly be a $20USD/CD difference in retail primer cost
$7, yes, I could see that...depending on product, name, retail outlet, etc...
Either the SW primer was way over priced or the Valspar primer is complete garbage

To answer your question (which seems to indicate the V=garbage choice), it really depends on why they were priming in the first place
Simply priming, even with a good primer, over a cheap, ill-adhering, primer won't increase the effectiveness of said cheap primer
And even poor primers can hold OK (just not worth the risk)

To be on the safe side, I would probably go over the Valspar with a specialty primer that penetrates the substrate to hold it better
I'd suggest Zinsser's Gardz
But again, not knowing what/why they primed I can't say that's THE answer

Beth777 08-19-2008 01:44 PM

You're was less than a $20 difference! Maybe closer to a $16 difference without a sale. Or maybe $9 or $10 difference with a Sherwin-Williams sale. Sorry for the exaggeration!

We used SW A100 exterior latex primer, which sells for 35.49/gallon at full price, without a sale going on. We got most of ours on sale at $28.34/gallon.

They said their Valspar was something less than $20/gallon, but I'm not sure how much less. I'd say they probably used primer to help with color change and to prepare for exterior paint. Not sure if they are covering over old latex or alkyd!

slickshift 08-19-2008 04:02 PM

If it's exterior, I'd sand off the Valspar, no question about it
At least a good go round with an orbital to scuff it up/off
I'd need more information to recommend a primer for that project
I might let the interior stuff stay if it's still holding after a week
But I wouldn't trust that exterior stuff...too much of a hassle to fix it if it fails

The A-100 is a fine product
Although SW marks it up a bit at 34/36 so they can get the 27-29 "on sale"

Beth777 08-20-2008 11:44 AM


Originally Posted by slickshift (Post 150042)
The A-100 is a fine product
Although SW marks it up a bit at 34/36 so they can get the 27-29 "on sale"

Sorry...I was wrong again. Today the SW A100 latex exterior primer price is $44...with the 15% off discount, it comes WAY down to a mere $35/gallon...and they are out of it till maybe Monday!!! :eek:

I'm usually better at math than this, but.....I'm getting different answers and different prices on different days. Not sure how we previously bought the same thing for $28.34, but that's what the receipt says.

poppameth 08-21-2008 05:52 AM

I've heard way too much of this from Sherwin lately. They are doing some odd things with the prices in this area as well. It makes business better for me though. I'll not that the pricing on Pratt & Lambert primers (owned by SW) have been going wacky as well. So I don't sell them anymore. I'd say stick with Zinsser if the pricing on the SW is so bad.

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