Is it the paint (brand) or the brush?

[MANTOOL]

To all painting pros....help! I'm freshening up the exterior (aluminum) trim on Mom's house and the paint (Glidden exterior latex) streaks like I'm using a wire welding brush. I'm having to put a second coat on all the surfaces which takes more time and energy. I'm using the recommended brush for latex paint so now I'm wondering what (other) brand of latex would give me better coverage results. Any help will be greatly appreciated.

 

[MoonRise]

re: Is it the paint or brush

Yes, as well as prep and application conditions and technique.

Dry and warm/hot conditions and in the sun with a wind or breeze blowing and latex/acrylic paint can 'dry' really-really-really fast. Meaning it doesn't get to chance to flow out and level.

And sometimes, the answer is just that two coats are needed.

I almost always end up putting down multiple coats no matter what. YMMV.

Last house paint job I did was on some new wood. Two coats of exterior primer, scuff sand in between. Then two top coats, scuff sand in between. Decent Sherwin-Williams stuff, don't remember off hand the 'model' of paint and primer.

 

[yeldogt]

normally you prime and paint ... it's not going to cover with one coat.. Did you clean and prep the metal ?

 

[MANTOOL]

Yes....cleaned and prepped all areas to be repainted. The paint is primer/paint combined.

 

[Jdsmith]

As you have found out, there is no such thing as primer and paint combined. I've used such an animal before and gotten good results when using it as a finish coat over primer. Rough it up and apply a second coat and it may look better, keeping in mind the guidance above regarding temperature, humidity, and sun exposure when drying.

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[strutaeng]

It's probably your technique. These newer low VOC stuff out there sets up way faster than older paints.

You have to get on the piece as fast as practically possible and then "lay it off" or "tip it off." Im sure there have to videos on this. On narrow trim it is very easy. Wider trim might me more challenging.

What sheen? I've been using the Glidden int/ext gloss for some time now and really like it. I also painted my detached garage exterior board and batten (SW rugged brown, satin) and have been happy with it.

What temperature and humidity?

 

[Kaizen]

are you using a purdy or similiar 15 dollar brush? it helps. Also a thinner brush will streak as opposed to a thicker one......not the width but for a house you should have a 4 inch. something like a sash brush will be more firm.
make sure you are washing out the brush every hour or so. keeping the paint only on the end few inches. it will take 2 coats no matter what. don't load it up all on one coat.

 

[mmb617]

The paint is primer/paint combined.

I think that's just a marketing ploy. IMO you can either apply a coat of primer then a top coat, or you can apply two coats of paint/primer. But you're going to be using two coats either way.

My dad was a professional painter. He died 21 years ago, but I can just about bet he'd laugh at the idea that any paint could be both primer and paint and cover well in one coat.

 

[foodie]

All of the above. But also in my opinion I would have used Sherwin Williams paint. I think it is a much better product and gives better coverage.

 

[rlitman]

...Dry and warm/hot conditions and in the sun with a wind or breeze blowing and latex/acrylic paint can 'dry' really-really-really fast. Meaning it doesn't get to chance to flow out and level...

Metal trim gets real hot on a sunny day. Especially when it's a dark color paint.

 

[PWC Repair]

are you using a purdy or similiar 15 dollar brush? it helps. Also a thinner brush will streak as opposed to a thicker one......not the width but for a house you should have a 4 inch. something like a sash brush will be more firm.
make sure you are washing out the brush every hour or so. keeping the paint only on the end few inches. it will take 2 coats no matter what. don't load it up all on one coat.

Yes, a good brush helps a LOT.

 

[oldmxracer]

I think that's just a marketing ploy. IMO you can either apply a coat of primer then a top coat, or you can apply two coats of paint/primer. But you're going to be using two coats either way.

My dad was a professional painter. He died 21 years ago, but I can just about bet he'd laugh at the idea that any paint could be both primer and paint and cover well in one coat.

I agree it is going to take two coats, primer it then top coat or two coats of the primer and paint combo .

Think better results are had with the old school way primer then paint !

 

[Kaizen]

Yes, a good brush helps a LOT.

And cleaning and maintaining it saves a lot lol


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