Mary Halada Posted May 18, 2020 Report Share Posted May 18, 2020 We have a “hot Tub” room at our house with cedar on the walls - for about 30 years. Several years ago, I left the cover off the hot tub overnight and the result is “drips” about 2-3 feet from the floor, down the walls. These “drips” are darker than the wall. We tried to sand one off and it didn’t seem to impact it. The cedar walls were initially finished with a danish oil, I believe. Suggestions on how to remove/cover these drips? Quote Link to comment Share on other sites More sharing options...
JohnG Posted May 18, 2020 Report Share Posted May 18, 2020 Welcome! Pictures go a long way in helping the pros here see what the issue is and how to go about fixing it. Quote Link to comment Share on other sites More sharing options...
wtnhighlander Posted May 18, 2020 Report Share Posted May 18, 2020 +1 to the photo request. If those 'drips' are actually mildew stain, it may require a good deal of sanding to remove. Mildew digs deep on soft wood like cedar. Quote Link to comment Share on other sites More sharing options...
Mary Halada Posted May 21, 2020 Author Report Share Posted May 21, 2020 Appreciate the advice!? Quote Link to comment Share on other sites More sharing options...
wtnhighlander Posted May 21, 2020 Report Share Posted May 21, 2020 Looks like water stains on bare, or almost bare, wood. They probably penetrate a bit deeper than you tried to sand. If it were mine, I would use a random orbit sander connected to a vacuum, and start at 80 grit to quickly strip it to clean wood. Work up through the grits, typically 80, 120, 180, 220. Stop when the surface looks and feels the way you want it to. The best looking result will come from finishing the entire room, but you MIGHT get by with 'feathering' the affected areas. That means remove the stains with 80 grit, sand that area and expand by the diameter of the sander at 120 grit, cover and expand another diameter at 180, etc... I don't know that Danish Oil is the best choice of finish for such a room, but apparently it worked for 30 years, so I can't say to not use it again. Just try to avoid condensation in the future! Quote Link to comment Share on other sites More sharing options...
Mary Halada Posted May 21, 2020 Author Report Share Posted May 21, 2020 Thanks so much! We’ll give it a whirl! What would you recommend we put on the wood once we get it in shape? Appreciate your guidance. Quote Link to comment Share on other sites More sharing options...
wtnhighlander Posted May 21, 2020 Report Share Posted May 21, 2020 I'll have to defer go some of the building trade folks here. To me, this application is more like an outdoor situation. Quote Link to comment Share on other sites More sharing options...
Tpt life Posted May 21, 2020 Report Share Posted May 21, 2020 We use cedar in decks because it weathers nicely untreated. I’d be tempted to wet the whole wall down. It looks like bleeding tannins unless it is still wet. If you try it, start with a small inconspicuous area. 1 Quote Link to comment Share on other sites More sharing options...
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