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Small Cabin Forum / Cabin Construction / T&G and Shiplap Pine Ceiling and Walls - Polyurethane?
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medic149
Member
# Posted: 24 Oct 2022 19:57
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I've been looking through the forum and have found some really good information on this, but figured I would ask the question anyway.

We recently had a contractor install pine T&G and shiplap on our walls and T&G on the ceiling. This is a 16' x 20' addition we put on to our existing off grid cabin. The ceiling is 8' high at one end and at least 12' high at the other end.

I am looking for the best way to protect the wood. Realizing that the best option would have been to poly the boards before they were installed, but it wasn't an option at the time. Was going to use polyurethane, but I"ve seen some posts that prefer shellac or lacquer. Looking for a clear satin finish if possible. No yellowing.

I would love not to have to sand in between coats, only because of a very bad back. Also would like to use my paint sprayer to apply.

Does anyone have any suggestions on the best options for me? I also realize that I'll probably end up having to sand in between poly coats, but wasn't sure if any other product out there wouldn't need sanding.

Thanks in advance for the help!

Steve_S
Member
# Posted: 24 Oct 2022 21:06
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Go with Poly semi gloss by Minwax it's easy, almost like water and two coats is "good enough" 3 coats is best.

I used a LOT of Shellac but anywhere where there is damp possibility (Bathroom, kitchen etc) Urethane. Also Shellac is very $$$ I went through gallons of it ! Plus you cannot apply paint or Poly over it later and has no UV protection and will shade.

When using Poly, do wear a mask, most especially if spraying it. Clean the sprayer "promptly" when done.

medic149
Member
# Posted: 24 Oct 2022 21:10
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Thanks Steve!

ICC
Member
# Posted: 24 Oct 2022 21:17
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My preference are the water-based finishes as they are truly clear and non-yellowing when dry. They are milky in the can. Minwax Polycrylic is one I have used extensively for many years.

KelVarnsen
Member
# Posted: 25 Oct 2022 06:42
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Varathane Diamond is my go to clear coat.

Aklogcabin
Member
# Posted: 25 Oct 2022 09:42
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Varathane diamond, water based topcoat is a nice product to use. A topcoats job is to control moisture from entering into the wood. Varathane is a strongest at this followed by laquer and shellac.
I've applied many gallons of all .I also have a pine TnG ceiling to finish in our cabin. And want to do the walls also.
You may want to consider using a roller to apply the topcoat. Also polyurethane needs to be sanded between coats. Laquer doesn't. Polyurethane depends on a mechanical connection sanding. Laquer basically melts into the bottom coat using a chemical connection. Although I usually sand with green scotchbrite after the first coat as it will cause grain to raise and have a rough surface. Deft brand is my preference.
Good luck n let's see some pictures if you can

deercula
Member
# Posted: 25 Oct 2022 09:47 - Edited by: deercula
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Minwax Polycrylic is what my Amish builder used. Years later we are still happy with it.

countrygirl
Member
# Posted: 25 Oct 2022 10:24
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Poly semi gloss by Minwax, and Varathane diamond oil-based i have used both. need 2 coats of either one you chose. Make sure you mix pail as you go. the gloss is at the top of the pail.

Brettny
Member
# Posted: 25 Oct 2022 10:50
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I would tend to lean towards a stain that you dont have to sand between coats and only take one coat. That's alot of overhead work.

Aklogcabin
Member
# Posted: 26 Oct 2022 10:21
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For sanding the ceiling a green scotchbrite sanding pad on a sheetrock sanding stick

medic149
Member
# Posted: 26 Oct 2022 20:35
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That's a great idea!

NorthRick
Member
# Posted: 27 Oct 2022 14:04
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Go with a water-based product, it stays clear. I've had good luck with both the polycrylic and varanthane.

Steve_S
Member
# Posted: 27 Oct 2022 19:53
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A warning about Oil Based Varathane as I learned a few nasties there... That crap will get you stoned and not in a nice way, so lot's of fresh air for YOU is essential.

ICC
Member
# Posted: 27 Oct 2022 20:53
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Quoting: Steve_S
A warning about Oil Based Varathane as I learned a few nasties there... That crap will get you stoned and not in a nice way, so lot's of fresh air for YOU is essential.


Another reason to go with a water-based finish

scott100
Member
# Posted: 28 Oct 2022 09:36
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Another vote for the minwax polyacrylic if you don't want it to yellow or darken much with aging.

I have also used tung oil finish before on t&g pine before though it lets the pine darken with age.

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