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Finishing Advice

2053 Views 4 Replies 4 Participants Last post by  Waldschrat
I'm building some simple cabinets for added storage in my attic area in the knee wall. The inside won't be exposed often and are for storage only so i'm using 3/4 ACX plywood. I just want to finish them with that natural "wet" look as it has some nice grain detail. I also want it to be sealed and protected so I don't have to worry about what I put in them form boxes of books to linens. Also I don't want to have to spend tons of time finishing such as first a stain and then a top coat. If I can get it all-in-one that would be great. Advice from more experienced wood finishers would be greatly appreciated.

- I've been just looking at just using a polyurethane type product. Would this achieve the look and finish i'm looking for?

- Is there something better or faster?

- I've been looking at Vermont Natural Coating's Polywhey. Any good? I like that it seems more natural and less harmful chemicals and water+soap clean up.

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When you say "wet" look I can assume you just want the wood to look wet but without a sheen? I'd say you would just use an oil such as tung or blo. Any other product like poly or whatever will produce a sheen. You can purchase a flat sheen, but it still won't look natural. You may get away with using thinned shellac. It will penetrate the wood well, but if you put on multiple coats you will begin to get a sheen.
I think I'm just saying to use oil. LOL. Maybe you can find a good watco or something. Good luck.
I can't say I'm all that experienced, especially when it comes to finishing…but it sounds like an oil/varnish (ie. Danish oil) is what you're after, it'll give you the natural look and a bit of durability. But like I said, I'm not expert ;)
I'm okay with a little sheen even a semi-gloss. I'm more interested in the basic natural look, so light tan since i'm using a pine ACX.

Will oil protect the surface enough? If I used oil, wouldn't I still want to put a polyurethane as a top coat to seal and protect the surface?
Balbert, I have quite a bit of finishing experience and I would suggest the following things:

You can do many things and it all depends on how much effort you consider worth it, being it is a storage unit in the attic… not to mention how well or with what you are equiped to do the job, as in do you have a spray gun? or are you doing this with brushes?

For the natural version; non toxic (you mentioned liking less chemicals and more natural) use Schellack. Its non toxic, (except the alcohol that you use to thin it) and its relatively easy to apply with a spray gun, but also can be used with a brush. From personal experience, with the spray gun its a dream, and makes the "wet look" while showing off some grain and figure from the wood, and if its a Attic storage unit, you will it will not be necessary, more than likely, to have to polish it to a super high gloss, as long as you can spray it evenly without runs.

Not so natural is of course Polyeurethane, (Lack as I call it because its shorter), is quick easy to use no matter if water based or not. Lack you can buy also in highgloss and is only a matter of sanding to 150 to 180 and spraying/applying with brush, let dry and sanding again with 240 then spray again… nice and easy and quick, can be done in one day with use of proper lack.

The water based Lack is actually harder and more durable but more dangerous to spray because the particles when spraying are water based and can bond to the soft tissue (also waterbased) in your respitory system and you need just to make sure you have a mask when spraying and using.

Oil the other major finishing product is also good and easy to use, although a bit more drying time is required and a bit more time need (in my opinion to get a non sticky clean surface), because of all the excess that needs to be wiped away to alow to "dry" (actually oil polymerizes, a reacation with oxygen, heat and the organic makeup of the oil).

As for oils, I do not know what products (brand names you have there in the States), but I would suggest using any sort of oil that will harden out within 24 hours (two types of oils are those that harden and those that do not, underneath that there are oils with chemical dryers in them and those that do not, those that do not have any sort of drying accelerant in them, take sometimes 7 to 10 days to harden out and are good quality, and all natural, but take for ever and in my opinion as someone who works in time pressure and where speed is everything, are not worth it.

so you can also get oils that are mixed with hard wax and the oil soaks in and hardens and the wax stays on the surface of the wood and forms a sort of film, which can be buffed out to a "semi gloss" at most. Its a bit like putting shoe polish (which is wax mostly) and polishing the shoe. My favorite method is to use a normal hardening oil first, let it dry, then sand, then applying a Hardwax-oil as the final coat, very thinly, and before it drys and gets too hard polish the semi dry wax (it will start to get really tacky to the touch) with an old soft t-shirt (or rags made from one) and let it dry overnight again and you have a "slightly wet/glossy" look and the grain and color pops out because of the oil undercoat. For oil the perhaps "disadvantage" would be you have to sand to 240 (in my opinion anyway the results are better to the eye and the touch) then first oil application, then sand again (240 again or perhaps 320) then oil again, very lightly.

I tried to keep this short but, finishing is a complicated and manifold subject, with many finishing options.

Hope i could help and did not bore anyone do death!
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