Specifically exterior house painting: I'm confused and/or my knowing/
assuming is defected. I have generally thought any paint can be
applied over any primer.
I used Zinsser Cover Stain oil base primer, then applied Sears
Weatherbeater (Latex, waterbased) as a top coat. I am having some
peeling of the top coat.... applied within the past 5 years or so.
Are these 2 coverages, Latex water based topcoat over an oil based
primer, noncompatible, and that's why I'm having this peeling? If
so, ....
What topcoating should I be using over the Zinsser oil based Cover
Stain primer, for exterior house painting?
Sonny
On 6/4/2012 9:01 AM, Sonny wrote:
> Specifically exterior house painting: I'm confused and/or my knowing/
> assuming is defected. I have generally thought any paint can be
> applied over any primer.
>
> I used Zinsser Cover Stain oil base primer, then applied Sears
> Weatherbeater (Latex, waterbased) as a top coat. I am having some
> peeling of the top coat.... applied within the past 5 years or so.
> Are these 2 coverages, Latex water based topcoat over an oil based
> primer, noncompatible, and that's why I'm having this peeling? If
> so, ....
>
> What topcoating should I be using over the Zinsser oil based Cover
> Stain primer, for exterior house painting?
>
> Sonny
If originally painted over or if moisture can penetrate from behind,
nothing will work for very long.
Sonny wrote:
> Specifically exterior house painting: I'm confused and/or my knowing/
> assuming is defected. I have generally thought any paint can be
> applied over any primer.
>
> I used Zinsser Cover Stain oil base primer, then applied Sears
> Weatherbeater (Latex, waterbased) as a top coat. I am having some
> peeling of the top coat.... applied within the past 5 years or so.
> Are these 2 coverages, Latex water based topcoat over an oil based
> primer, noncompatible, and that's why I'm having this peeling?
Should be no problem. Personally, I like Zinsser 1-2-3 as an all purpose
primer.
--
dadiOH
____________________________
dadiOH's dandies v3.06...
...a help file of info about MP3s, recording from
LP/cassette and tips & tricks on this and that.
Get it at http://mysite.verizon.net/xico
"Sonny" wrote in message
news:9e4108ac-bbed-4e2f-98ea-6755a596c3c8@f16g2000yqg.googlegroups.com...
Specifically exterior house painting: I'm confused and/or my knowing/
assuming is defected. I have generally thought any paint can be
applied over any primer.
I used Zinsser Cover Stain oil base primer, then applied Sears
Weatherbeater (Latex, waterbased) as a top coat. I am having some
peeling of the top coat.... applied within the past 5 years or so.
Are these 2 coverages, Latex water based topcoat over an oil based
primer, noncompatible, and that's why I'm having this peeling? If
so, ....
What topcoating should I be using over the Zinsser oil based Cover
Stain primer, for exterior house painting?
Sonny
The primer needs to be "whole house primer" and not spot primer. If you
used the spot primer before, it contracts and expands at a different rate
than the top coat paint. When that happens, you end up with flaking paint.
Also, moisture getting behind the wood will also cause flaking.
BobS
BobS wrote:
>
>
> "Sonny" wrote in message
> news:9e4108ac-bbed-4e2f-98ea-6755a596c3c8@f16g2000yqg.googlegroups.com...
>
> Specifically exterior house painting: I'm confused and/or my knowing/
> assuming is defected. I have generally thought any paint can be
> applied over any primer.
>
> I used Zinsser Cover Stain oil base primer, then applied Sears
> Weatherbeater (Latex, waterbased) as a top coat. I am having some
> peeling of the top coat.... applied within the past 5 years or so.
> Are these 2 coverages, Latex water based topcoat over an oil based
> primer, noncompatible, and that's why I'm having this peeling? If
> so, ....
>
> What topcoating should I be using over the Zinsser oil based Cover
> Stain primer, for exterior house painting?
>
> Sonny
>
> The primer needs to be "whole house primer" and not spot primer. If you
> used the spot primer before, it contracts and expands at a different
> rate than the top coat paint. When that happens, you end up with flaking
> paint.
>
> Also, moisture getting behind the wood will also cause flaking.
>
> BobS
What is his course of action now if he has these incompatible layers
already on the house?
On Mon, 04 Jun 2012 22:05:04 -0400, Bill <[email protected]> wrote:
>BobS wrote:
>>
>>
>> "Sonny" wrote in message
>> news:9e4108ac-bbed-4e2f-98ea-6755a596c3c8@f16g2000yqg.googlegroups.com...
>>
>> Specifically exterior house painting: I'm confused and/or my knowing/
>> assuming is defected. I have generally thought any paint can be
>> applied over any primer.
>>
>> I used Zinsser Cover Stain oil base primer, then applied Sears
>> Weatherbeater (Latex, waterbased) as a top coat. I am having some
>> peeling of the top coat.... applied within the past 5 years or so.
>> Are these 2 coverages, Latex water based topcoat over an oil based
>> primer, noncompatible, and that's why I'm having this peeling? If
>> so, ....
>>
>> What topcoating should I be using over the Zinsser oil based Cover
>> Stain primer, for exterior house painting?
>>
>> Sonny
>>
>> The primer needs to be "whole house primer" and not spot primer. If you
>> used the spot primer before, it contracts and expands at a different
>> rate than the top coat paint. When that happens, you end up with flaking
>> paint.
>>
>> Also, moisture getting behind the wood will also cause flaking.
>>
>> BobS
>
>What is his course of action now if he has these incompatible layers
>already on the house?
A LOT of sanding??? or scraping.. Or both.
On Mon, 4 Jun 2012 21:50:43 -0400, "BobS" <[email protected]> wrote:
>
>
>"Sonny" wrote in message
>news:9e4108ac-bbed-4e2f-98ea-6755a596c3c8@f16g2000yqg.googlegroups.com...
>
>Specifically exterior house painting: I'm confused and/or my knowing/
>assuming is defected. I have generally thought any paint can be
>applied over any primer.
>
>I used Zinsser Cover Stain oil base primer, then applied Sears
>Weatherbeater (Latex, waterbased) as a top coat. I am having some
>peeling of the top coat.... applied within the past 5 years or so.
>Are these 2 coverages, Latex water based topcoat over an oil based
>primer, noncompatible, and that's why I'm having this peeling? If
>so, ....
>
>What topcoating should I be using over the Zinsser oil based Cover
>Stain primer, for exterior house painting?
>
>Sonny
>
>The primer needs to be "whole house primer" and not spot primer. If you
>used the spot primer before, it contracts and expands at a different rate
>than the top coat paint. When that happens, you end up with flaking paint.
>
>Also, moisture getting behind the wood will also cause flaking.
>
>BobS
So will inferior paint.