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Painting OSB

87stocker

Member
Joined
May 1, 2012
Messages
14
Location
Crowsnest Pass,Ab,CAN
Well before I pulled the pin on anything I have read countless threads on this subject from this forum and many others. I decided that a cheap latex was the way to go due to the fact that it is "just a garage" as many have said in many different posts I read. Well My brother in law paints for a living so I asked him to find me some cheap paint. He called me and told me he found 6 1/2 pails of different shades that he believes he can mix up and make into a really nice light grey. I pulled the pin. I learned a few things:

1: primer is completely unnecessary.... anyone who says different is trying to hard to make a garage into something more. And I was just in a brand new garage the other day with nearly 1500 bucks worth of primer and paint on the walls, and it doesn't look any better.The coverage with 2 coats is nearly perfect. 3 will be awesome.

2: there are a total of 25 bulges from the latex paint causing peeling on a 26x28x10' ceiling shop. I have peeled them and painted again. Other than that its perfect.

So for anyone that is considering painting their OSB in their work shop or garage...... don't waste money and time on primer. Get a cheap thick latex paint(don't thin it) and plaster it on for 2 coats. I'm nearly done the job. After I am I will post how much paint I used total, and some pictures.

Oh and the paint cost me 157.65 tax in....:beer:
 
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NUTTSGT

Super Moderator
Staff member
Joined
Sep 14, 2009
Messages
50,891
Location
Northern Central Ohio
To each their own.

I've tried to use cheap latex paint or latexpaint/primer and got what I paid for. I've found the best results are using a good primer on OSB, like Kilz oil based, followed by a decent latex paint.
 

PugetDude

ALLIANCE MEMBER
Joined
Mar 13, 2013
Messages
22,349
Location
Superstition Mountains, AZ
Have you considered that by using primer it would may only taken two coats instead of three?

No downside to using primer; it may (or may not) save you a coat and it's usually cheaper than the finish paint. Plus it acts as a sealer/stainblocker and provides a better finish for the top coat to adhere to than the raw OSB.
 

four.cycle

Well-known member
Joined
Oct 19, 2015
Messages
28,612
Location
Tacoma, Washington
^ remains to be seen whether the oils and resins in the OSB will bleed through.

OSB/particle board: two coats of KILZ primer, laid on heavy, followed by one or two coats of eggshell or semi-gloss latex.
 

BruceMc

Well-known member
Joined
Jan 17, 2015
Messages
2,166
Location
Fairbanks, AK
To each their own.

I've tried to use cheap latex paint or latexpaint/primer and got what I paid for. I've found the best results are using a good primer on OSB, like Kilz oil based, followed by a decent latex paint.

Yes. You can throw enough of anything on there and have it look good the next week. I had no interest in repainting again once everything was moved in, so I want to know it will still be decent looking 10 years from now.
 

strada12

Member
Joined
Jan 18, 2015
Messages
13
Location
NW Indiana
My previous garage had OSB on the walls and i decided to paint them as cheap as possible knowing the knew garage was not to far off so i just painted with latex white left over from house projects, it took 4 coats to cover and after a short time the resins started bleading through,Yes it would have been easyer to just prime it first!
 
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Boilerhouse

Well-known member
Joined
Mar 20, 2012
Messages
1,320
Location
Muskoka
I used OSB on the ceiling 'cause I figured it was easier to put the sheets on alone. One coat of primer, and I believe two coats of paint. Results are OK I guess, but doing it over I would have dry-walled it.
 

Spottty

Active member
Joined
Feb 11, 2007
Messages
33
I painted one OSB wall with cheap latex. Put it on thick. I had so many bubbles it drove me nuts. The rest of the shop will get a oil based primer. I really dont want to paint it twice. The first time is a huge enough pain.
 

CNGsaves

Well-known member
Joined
Sep 26, 2012
Messages
13,233
Location
KS and OK
After painting over some MOLD on ceilings from leaky roof on friend's house . . .
. . . . Kilz Stain Blocker Primer is the cat's meow !! :thumbup:

I painted right over black mold, gray fuzzy mold and some yellowish black **** . . .
. . . . but 2 or 3 coats later the popcorn ceiling looks perfect !!! :rocker:
 

James-W

Well-known member
Joined
Feb 3, 2013
Messages
12,432
Location
Southeastern Wisconsin
Use a belt sander to clean up the seams and make them smooth. Apply a thin coat of drywall compound on the OSB and let it dry. Then apply a second coat and let that dry. If needed, apply a third coat, but it most likely will not be needed. After that, use a good primer, let it dry and then apply a good quality paint. It will look just like drywall when you are done.
 

UpstateNY

Well-known member
Joined
Jan 2, 2012
Messages
662
1primer is completely unnecessary.... anyone who says different is trying to hard to make a garage into something more. And I was just in a brand new garage the other day with nearly 1500 bucks worth of primer and paint on the walls, and it doesn't look any better.The coverage with 2 coats is nearly perfect. 3 will be awesome.


So for anyone that is considering painting their OSB in their work shop or garage...... don't waste money and time on primer. Get a cheap thick latex paint(don't thin it) and plaster it on for 2 coats. I'm nearly done the job. After I will post some pictures.

The only interest in pics I have is 6 months from now. Your way is not better, your way is from a person that doesn't care as much as to how your shop looks now and 5 years from now.

Your way will work for someone like you, and that is all, it's not superior, or inferior, it just fits who you are and like-minded people. It's like telling someone what is the only type of music they should be listening to and every other music type is "unnecessary.

Grab a dictionary and look up the definition for subjectivity :thumbup:
 
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