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Old 09-09-2012, 10:07 AM   #1
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painting drywall w/ knockdown texture


I finally got this piece of drywall back up after the epoxy was done for my water leak.

I used spackling & primer as well as spray knockdown texture (since the area was so small). I had Sherwin Williams match the drywall paint ('matte finish).

Why does the paint look shiny from the side?
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Old 09-09-2012, 10:45 AM   #2
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painting drywall w/ knockdown texture


I bet those are the outside edges of your prime, and that you textured within those, right? and the primer is sealing those area more and "flashing" ( sheen difference)
How far out from those stripes did you use the finish paint?
Another coat of finish might take care of it, might also need a full wall paint .
put one over the affected area first and see if it evens out.

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Old 09-09-2012, 10:48 AM   #3
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painting drywall w/ knockdown texture


Quote:
Originally Posted by Brushjockey
I bet those are the outside edges of your prime, and that you textured within those, right? and the primer is sealing those area more and "flashing" ( sheen difference)
How far out from those stripes did you use the finish paint?
Another coat of finish might take care of it, might also need a full wall paint .
put one over the affected area first and see if it evens out.
I sanded, primed, textured and then painted only the 2 lines on the left and right side. I didn't do anything in the middle.

Last edited by dinosaur1; 09-09-2012 at 10:51 AM.
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Old 09-09-2012, 11:05 AM   #4
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painting drywall w/ knockdown texture


I still would say the primer has sealed those more- coat from outside each strip through all and see.
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Old 09-09-2012, 11:17 AM   #5
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painting drywall w/ knockdown texture


Quote:
Originally Posted by Brushjockey
I still would say the primer has sealed those more- coat from outside each strip through all and see.
How do I get shiny stuff to go away.
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Old 09-09-2012, 11:29 AM   #6
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painting drywall w/ knockdown texture


Quote:
Originally Posted by Brushjockey
I still would say the primer has sealed those more- coat from outside each strip through all and see.
Looks like new paint is shiny even on the area I didn't prime or texture. Whey would that be if this is matte paint?
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Old 09-09-2012, 11:48 AM   #7
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painting drywall w/ knockdown texture


It can't be the paint because I used the same paint on other other areas of the drywall in my basement. It does appear to be shiny in those areas. Do I have I remove the existing primer before applying the new one?
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Old 09-09-2012, 11:53 AM   #8
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painting drywall w/ knockdown texture


There is no way to remove the primer. Not needed.
Is the original paint job one coat ?
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Old 09-09-2012, 11:56 AM   #9
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painting drywall w/ knockdown texture


Quote:
Originally Posted by Brushjockey
There is no way to remove the primer. Not needed.
Is the original paint job one coat ?
2 coats on left side and 1 coat on right side. I wanted to test it out which I why I did it that way.

Here's the primer can that I used.
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Old 09-09-2012, 12:08 PM   #10
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painting drywall w/ knockdown texture


That sealed it real good.
Again, what I think you have is uneven porosity, and will show different sheens because of it.
You need to get the whole thing to be equal.
Try what i said, and if it is better ( I expect you will see the area you just did a little bit, but hopefully not as bad..)
Then you will need to evenly coat the whole wall corner to corner.
Flashing can be hard to get rid of sometimes..
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Old 09-09-2012, 12:13 PM   #11
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painting drywall w/ knockdown texture


Quote:
Originally Posted by Brushjockey
That sealed it real good.
Again, what I think you have is uneven porosity, and will show different sheens because of it.
You need to get the whole thing to be equal.
Try what i said, and if it is better ( I expect you will see the area you just did a little bit, but hopefully not as bad..)
Then you will need to evenly coat the whole wall corner to corner.
Flashing can be hard to get rid of sometimes..
The only reason I didn't paint the entire 8 ft high x. 1-1/2 wide area of drywall is because I didn't want that whioe area to be noticeable.
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Old 09-09-2012, 12:55 PM   #12
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painting drywall w/ knockdown texture


Oil-based primers tend to do that. They absorb into the joint compound a bit differently than latex primers for drywall. Usually that shininess goes away after a day or two of thorough drying time.
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Old 09-09-2012, 12:57 PM   #13
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painting drywall w/ knockdown texture


Quote:
Originally Posted by Gymschu
Oil-based primers tend to do that. They absorb into the joint compound a bit differently than latex primers for drywall. Usually that shininess goes away after a day or two of thorough drying time.
So far one day has passed. How long should I give it?
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Old 09-10-2012, 09:48 PM   #14
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painting drywall w/ knockdown texture


Day 2 has passed. It looks the same.

I'm hesitant to paint that entire wall section because I dpn't want all of it to be shiny.

Any thoughts?
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Old 09-10-2012, 10:01 PM   #15
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painting drywall w/ knockdown texture


Thoughts have been given.

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