我應該在浴室的木飾中使用外部油基聚氨酯還是外部油基聚氨酯?


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我已經弄髒了浴室的所有木質裝飾物。我打算用油基聚氨酯塗層。外牆聚脂會暴露在濕氣中會更好嗎?

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From my understanding the biggest difference in exterior poly is it has UV inhalators. I have built several bathroom vanities and used wipe on oil based poly some are about 30 yrs old. One is showing some wear*, as I remember it only has 2 very thin coats, I would recommend no less than 3 coats. *FYI that vanity has survived our 5 children


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Interior varnishes are fine for bathrooms, even if the area will be subject to direct water splashes every now and then (normal varnishes are actually quite waterproof when applied properly). Exterior varnishes are formulated not just to resist rain but also to withstand a range of exposure conditions that just aren't seen indoors, so no purpose in using them on interior projects.

Note: use more than two coats for areas that might get wet on a regular basis.