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Should inside of my project get a gloss finish

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Forum topic by DW833 posted 10-20-2017 01:28 AM 316 views 0 times favorited 4 replies Add to Favorites Watch
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DW833

212 posts in 1693 days


10-20-2017 01:28 AM

Searched LJ for an answer to a similar question, but didn’t see anything. Adding my question to the forum.

Just refinished an oak plywood display case. It is rather large at 2’+ square and 7’ tall.
Has four glass doors on the top and middle of the case. The top two glass doors are about 16 inches.
The middle glass doors are about 3’ Two bottom small doors are wood.

Has golden oak danish oil with 3 coats of satin wipe on poly.
I’ll use two coats of gloss wipe on poly on the sides, front trim and front wood doors.

However, can’t decide if the inside should get the gloss top coat. Inside has two static wood shelves
and peg holes for adjustable shelves. Is using gloss on the inside necessary or recommended?
If yes, should all of the inside case get gloss? Including sides, back, shelves?


4 replies so far

View Aj2's profile

Aj2

1151 posts in 1609 days


#1 posted 10-20-2017 02:28 AM

I say no to poly or varnish because it will stink. It will take forever for the finish to dry on the inside.
Shellac is ok but use fresh flakes. It’s a very nice clean smell.
Just my opinion

-- Aj

View JBrow's profile

JBrow

1250 posts in 731 days


#2 posted 10-22-2017 12:55 AM

DW833,

I like to finish all surfaces exposed to air using the same finishing schedule. While I am not so sure it makes much of a difference when the material is plywood, I believe it helps ensure a consistent movement of moisture into and out of solid wood. Equalized moisture exchange, by my way of thinking, reduces problems of cupping and bowing in solid wood.

Since I am not sure about plywood and I am unwilling to find out the hard way, I also finish all air-exposed surfaces of plywood using the same finishing schedule. I agree with Aj2 that the interior of a closed cabinet can off-gas for quite a while after finishing. I find that after about week of open exposure to the atmosphere the off-gassing odor from oil based polyurethane is mostly gone. I am not sure how long off-gassing when oil-based polyurethane is over Danish oil would last.

View MrRon's profile

MrRon

4412 posts in 3054 days


#3 posted 10-22-2017 04:47 PM

Dust will easily wipe off a gloss finish. A dull finish will trap dust.

View Fred Hargis's profile

Fred Hargis

4706 posts in 2304 days


#4 posted 10-22-2017 07:06 PM

What AJ said…use shellac on the interior parts. Nitrocellulose lacquer can work. as will any waterborne finish. But the smell problems should keep you away from anything oil based. If, by chance, you’ve already used an oil based stain on the interior, the shellac will help seal the smell.

-- Our village hasn't lost it's idiot, he was elected to congress.

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