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4th March 2023, 10:52 AM #1Senior Member
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What surfaces to finish? Just visible or everything?
I’ve made a pine workbench frame and want to finish it with danish oil for a bit of extra protection and aesthetics.
I’m wondering whether I should finish just visible and exposed surfaces? Or is it better to do every surface? I’m thinking maybe doing only some surfaces could lead to disproportionate wood movement or something like that?
I’m hoping the answer is “just the surfaces I want and leave the rest” as it means less work and less finish required. But happy to do it all if it is the right way to do it.
cheers
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4th March 2023 10:52 AM # ADSGoogle Adsense Advertisement
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4th March 2023, 06:02 PM #2
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4th March 2023, 06:04 PM #3
Why not just complete the build first before applying a finish?.
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4th March 2023, 07:08 PM #4Senior Member
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Ok thanks. It’s just construction pine that I milled down. Yep all joints glued and screwed.
The top is just a few sheets of mdf which I’m going to try finishing with shellac.
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4th March 2023, 07:19 PM #5
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5th March 2023, 07:34 AM #6Senior Member
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7th March 2023, 12:33 PM #7Originally Posted by lemerv
Timber expands and contracts with changes in its moisture content - essentially with changes in humidity. Sealing a surface substantially slows the flow of moisture through that surface. If a surface is left unsealed then humidty will cause that side to expand more than the other causing the timber to bow or cup.
You should seal all surfaces, including the insides of dog holes, if any. When I am doing it I usually do the end grain first, then all the other surfaces, then the end grain again - this is because it is more absorbant.
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7th March 2023, 07:45 PM #8
Maybe take a look at this thread aswell in which wood expansion is talked about.
Table Construction
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8th March 2023, 08:38 AM #9.
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I always seal all surfaces with at least 2 coats.
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8th March 2023, 12:59 PM #10
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14th March 2023, 06:44 AM #11Senior Member
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Ended up doing all surfaces. Wasn’t too much more work. Cheers
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