If you don't want a perfectly smooth floor but still want a layer of protection, try brushed and oiled. It is more characterful than lacquered as it does not create a film or shine. It also gets rid of any new growth via the brushing process, making knots and grain for example much more visible and increasing character further.
The oil seeps into the wood to protect the surface and protect deep within the wood too. This prevents moisture causing damage, as well as creating a more traditional appearance than lacquer. Oil's ability to allow the natural texture and character to shine through makes it a popular choice amongst those wanting a natural look, and invisible oil does this moreso. Invisible creates an unfinished appearance - please order free samples to see what this will look like up close.
Over time, the oil may wear away, but this is easily fixed with a re-oiling, and no sanding is required to do this. That being said, if you do sand your floor, be sure to re-oil it afterwards.
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