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painting in an old house

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JULIE442

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Sep 25, 2003, 8:27:16 AM9/25/03
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I need to paint some interior trim in my old house-it hasn't been painted in
probably a couple of decades. I know that the last paint used was an oil-based
paint, and I would like to use a latex paint now. I went to my local paint
store to ask how this could be done, and was told that I could paint over the
oil-based paint with latex paint. I know for a fact that this cannot be done
because in spite of careful surface prep, the latex paint we used in some other
areas did blister. On some of the walls, we used an acrylic primer over the
oil-based paint, and were successful with a latex topcoat. Can this be done on
the trim, too?

Dennis

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Sep 25, 2003, 7:01:00 PM9/25/03
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Yes, I recommend Zinnser 1*2*3 primer. It is excellent.
It can be tinted to 1/2 tone of the finish color. Benjamin Moore has a new
Acrylic satin impervo trim paint, my crew thinks it is great.

Good luck


"JULIE442" <juli...@aol.com> wrote in message
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peter burke

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Sep 25, 2003, 7:41:38 PM9/25/03
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Good advise but an oil primer would suffice,would it not?
Cheaper too.
"Dennis" <wind...@comcast.net> wrote in message
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Gwynn Kroeker

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Sep 27, 2003, 12:16:08 PM9/27/03
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At ICI we recommend a using a special high adhesion primer for that sort of
application rather than just a regular oil based primer. Zinsser 1-2-3 is
excellent. Glidden makes a latex one called Gripper, which is specifically
formulated to go over old oil paint and then topcoated with a latex. It is a
quick drying product that can be topcoated in about 2 hours and can be used
indoors or out. They make another one called Jammer which is an oil based one
that has an even more aggressive adhesion for painting surfaces like ceramic
tile, glass, arborite or that "lovely" wood panelling from the 70's.

Personally, I don't think I would be purchasing ANYTHING at the store that said
you could put latex over oil paint. Although, ICI has one that is designed to
do that, it is in specific situations, and specific prep work must be done.

Gwynn


peter burke

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Sep 27, 2003, 7:44:21 PM9/27/03
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Be careful with the gripper.You have to sand everything first or it won't
adhere
Peter Burke

"Gwynn Kroeker" <Gwynn_...@telus.net> wrote in message
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Gwynn Kroeker

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Sep 27, 2003, 9:12:02 PM9/27/03
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You should ALWAYS sand.

Gwynn

Gwynn Kroeker

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Sep 27, 2003, 9:17:45 PM9/27/03
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Actually, the steps for a good paint job are:

1. Wash the surface with TSP.
2. Rinse.
3. Fill any holes, etc. with patching compound.
4. Sand.
5. Wipe off sanding dust.
6. Prime.
7. Topcoat.

A light sanding between coats gives a great finish but
almost nobody ever does.

Gwynn

Gwynn Kroeker wrote:

> You should ALWAYS sand.
>
> Gwynn

peter burke

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Sep 28, 2003, 6:37:29 PM9/28/03
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There are primers around that will stick without sanding(gripper is not one
of them).The purpose of a high adhesion paint is to possibly avoid this
step.If I sand the oil well enough I could just put latex straight on
top.There are also better cleaners on the market than tsp which don't
involve rinsing
As a contractor and an ICI customer I was just trying to help someone avoid
a major problem.Gripper does not live up to its name

Peter Burke
"Gwynn Kroeker" <Gwynn_...@telus.net> wrote in message
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JULIE442

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Sep 29, 2003, 7:18:24 AM9/29/03
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>> Actually, the steps for a good paint job are:
>>
>> 1. Wash the surface with TSP.
>> 2. Rinse.
>> 3. Fill any holes, etc. with patching compound.
>> 4. Sand.
>> 5. Wipe off sanding dust.
>> 6. Prime.
>> 7. Topcoat.
>>
>> A light sanding between coats gives a great finish but
>> almost nobody ever does.
>>
>> Gwynn
thanks everybody-I do wash the woodwork with tsp (because of the possibility of
lead paint) and am willing and prepared to sand. I just didn't want to do it
all over again in a year or two because of blistering and peeling.
>
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Donald G.

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Sep 29, 2003, 10:44:13 AM9/29/03
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>thanks everybody-I do wash the woodwork with tsp (because of the possibility
>of
>lead paint

TSP has nothing to do with lead paint it doesn't neutralize or remove lead, it
doesn't do anything except remove oil, grease and dirt. It does dull or degloss
the substrate but not enough to provide a suitable tooth for a latex over
alkyd.


>and am willing and prepared to sand

Sanding a coating which is suspect to contain lead is not advisable, it will
put particulate in the air and on anything that is in the area. This is how the
lead is absorbed in to the body to cause lead poisoning.


Donald Grudeski, President Aesthetics Painting Inc.
Winter Springs, Florida

"Hey how'd he do that???"

"Remember that from small accorns grow mighty Oaks"


Remove biteme to email.

Dennis

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Sep 29, 2003, 11:28:34 AM9/29/03
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According to the procedures for making an area "lead safe", in MD, does
involve cleaning with TSP or a like product. This only removes lead dust.
In other words it is just a wash that removes dirt, grease, lead dust
etc....
Also, 123 primer does stick without the sanding step. If you have lead on
your trim, do not sand. You can create a lead hazard.

Dennis

"Donald G." <brok...@aol.combiteme> wrote in message
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Dan

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Oct 11, 2003, 8:13:59 AM10/11/03
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I agree with you Peter, ICI markets this product under a number of
different companies, under the Color your World line of paints it is known a
Blocker. Lets face it ICI has bought up a vast majority of Paint
manufactures over the yrs..different label,different price ...same product.
as a Painting Contractor also and a ICI customer I too try to avoid major
problems ...Benjamin Moore's Fresh Start primer falls into this catogory as
well NFG


"peter burke" <pain...@sympatico.ca> wrote in message
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FOW

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Oct 11, 2003, 1:12:15 PM10/11/03
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Wash everything with warm water and TSP and rinse with clean water. Prime
anything that has oil based paint on it with Zinnser Cover- Stain, oil based
primer then top coat with any latex you like.You can topcoat over oil primer
with most any paint. Just don't use latex over oil based trim paint unless
it's been preped with oil primer.
Get it ?

"JULIE442" <juli...@aol.com> wrote in message
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JULIE442

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Oct 16, 2003, 8:22:46 AM10/16/03
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thank you!

FOW

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Oct 19, 2003, 10:17:21 PM10/19/03
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Your very welcome.

"JULIE442" <juli...@aol.com> wrote in message
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> thank you!


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