I have some white latex primer, and was just wondering if I can add a bit of
latex brown primer (finish coat color) to give it a darker tint for the
primer. That way I will only need one finish coat.
btw: Can I use latex primer on top of either oil or latex surface? finish
coat is latex.
NO ! The paint store should add the tint to the primer.
Never add latex paint to oil paint or the other way around.
Use oil primer over oil paint or latex.
Oil based primers bite into the suface but latex primers just lay on the
All he asked was" could he add brown to the white,"both latex.He wasn't
asking about adding oil to latex,blah,blah,blah He can certainly darken the
paint if he wants.As far as getting away with one finish coat .Why
bother?you,ve got the wall ready.The second coat will add longevity to the
job I see so many guys waste so much time trying to cover a wall in one
coat,they could have easily done two quick coats
As far as latex primer over oil,unless you go with a special primer(talk to
your local paint store),I would not recommend it. Test an area ,different
manufactures paint have different adhesion levels.Maybe the primer will
work.As far as paint stores recommending latex primer over oil(Jim
Clark)send in their names to their respective suppliers. Neither
moore,ici pittsburgh,pratt lambert recommend it.,
Hope this helps
Not true, according to the PPG and P&L dealer. If the substrate is
solid and does not have a gloss, latex primers will work just fine.
The only thing you would have to worry about is tannin acid bleed with
a latex primer going over an intact surface.
The thing is, the whole point of primer is that it *doesn't* have a
lot of color. You put the primer on, which has lots of binder in
relation to color, so that the finish coat will stick. Paint has a
lot of, uh, color dust suspended in a solvent along with a binder.
The solvent evaporates, letting the binder hold the paint onto the
surface. Paint over wood or other paint or metal or whatever doesn't
stick so well, so you apply a coat of primer over the substrate so the
paint will stick. You go adding color to that, you lose the effect of
That's my two cents.
Most quality primers will say on the can if they can be tinted and how
much. Usually a lot less than the top coat ( 50% or less ) . If it
dosen't then ask your local paint dealer not the guy at the hardware
You can add in your primer. But if the two primers are from different
manufacturers then you are playing alchemy and you could ruin the performance
and holdout of your primer.
Latex, unlike oil base paints, is formulated diffferently from one
manufacturer to the next. It is a complicated finish system, and each line of
latex has its own finish recipe to make that paint work.
The way to color/tint latex prime is with the appropriate tints, usually made
by Huls, Creanova or DeGussa. These are the paste colorants which the paint
store measures and dispenses into the cans of paint (prior to them shaking or
mixin the cans). The colorants are added into the paint in meausements of
1/48 ounce increments.
Call the manufacturer and ask them what "type" of colorant you can add into
your primer, and how many ounces per gallon will be the maximum amount of
color you can add. If you add too much clorant than yu can ruin the strength
of the primer (which is as PhilCrow correctly stated in this thread meant to
be mostly binder, the coloring coming from your topcoat).
Primers which are tinted (have color added to them) are typically tinted to
only a percenatge of the final color.
Always follow the manufacturer's recommendations with latex paints. They are
printed out on technical sheets. If you have doubts or questions, call the
manufacturer's tech support and ask them. Never rely soley on the word of the
person behind a counter, especially if that paint outlet does not carry the
brand paint you are talking about.
There are guidelines with latex, and these can be generic. But each paint may
have brand-specific limitations because, as I said, the complex finish
chemistry which goes into formulating latexes vary from one recipe to the
next. And that same needed respect is needed with any waterbase or waterborne
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