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Best primer for plywood shop walls

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Forum topic by BillK posted 11-26-2020 02:45 PM 326 views 0 times favorited 6 replies Add to Favorites Watch
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BillK

5 posts in 4938 days


11-26-2020 02:45 PM

Topic tags/keywords: primer shop walls plywood shop walls

Am in the process of building out my basement shop in our new home. I am installing plywood sheathing (Georgia-Pacific Plytatium if that means anything) for the shop walls. As it is sheathing grade plywood I want to use the best (not the most expensive necessarily) primer on the plywood to cover knots and other surface imperfections as well as possible. Any suggestions as to the brand/type (water-based, solvent-based) would be appreciated, especially if you have experience/first-hand knowledge. Thanks in advance!


6 replies so far

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therealSteveN

6967 posts in 1542 days


#1 posted 11-26-2020 02:57 PM

There was a phase I went through about 15 years ago where I was making and selling corn hole boards, primed for a guy who did custom painting. I used at one time or another all of the commercially available primers, and came away feeling BIN (Zinsser product) was the easiest to apply, and the guy I was making for said they were a dream to paint over. The boards were spec’d to be outdoors a lot, something you don’t need to worry about, so cost could also be a consideration.

-- Think safe, be safe

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woodbutcherbynight

7233 posts in 3377 days


#2 posted 11-26-2020 03:20 PM

+1 on the BIN, and let it dry / cure well between coats. If you have larger knots go back and hit them again.

-- Live to tell the stories, they sound better that way.

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bandit571

27488 posts in 3651 days


#3 posted 11-26-2020 03:45 PM

KILZ Primer?

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ibewjon

2215 posts in 3761 days


#4 posted 11-26-2020 03:46 PM

If the knots are sappy, you need the alcohol based white shellac by Zinser, at least for a couple coats over the knots.

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Robert

4292 posts in 2449 days


#5 posted 11-26-2020 03:58 PM

Something cheap. Check on Kilz it’s on bogo fairly frequently.

-- Everything is a prototype thats why its one of a kind!!

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SMP

3171 posts in 874 days


#6 posted 11-26-2020 05:10 PM


If the knots are sappy, you need the alcohol based white shellac by Zinser, at least for a couple coats over the knots.

- ibewjon

I think the plytanium doesn’t have knots, but if any does yeah shellac. Otherwise, any good oil-based primer works well. Zinsser cover stain, Kilz, etc. Fyi, most places will tint your primer to somewhat match your topcoat to get a better color match. If you use white primer it will make the finish coat lighter.

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