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Forum topic by mayday3374 posted 09-15-2017 09:21 PM 306 views 0 times favorited 4 replies Add to Favorites Watch
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mayday3374

3 posts in 35 days


09-15-2017 09:21 PM

Topic tags/keywords: water marks walnut water question finishing

Need advise please
Im building a walnut table. I applied 1 coat of BLO so far ( and let it dry) and stacked the pieces on my assembly table in prep for assembly and final coats of finish.. Today, my dear children, who I love so much, decided to have a water gun war in my garage and soaked my entire pile of table parts. I separated and wiped everything dry but I already have patches of raised grain and water marks all over. Question 1: can I sand to knock grain down as one normally would with a water based finish, and apply second coat of BLO to blend in with what I previously did or do I need to sand the entire pieces down well and basically start over.

Question 2: will the water drop spots continue to show if I just lightly sand and then apply a second coat of BLO? Thanks for any advise. Long time reader, first time poster.


4 replies so far

View TungOil's profile

TungOil

667 posts in 277 days


#1 posted 09-16-2017 12:43 AM

hmmm…..you may be in uncharted territory here. My suggestion would be to make up a small test sample, finish it with BLO as you did the table parts, then add some water to part of the sample (basically simulate the damage). Then apply a second coat of BLO and sand it out wet to see if you can eliminate the water marks.

-- The optimist says "the glass is half full". The pessimist says "the glass is half empty". The engineer says "the glass is twice as big as it needs to be"

View TheFridge's profile

TheFridge

7953 posts in 1268 days


#2 posted 09-16-2017 12:48 AM

Give it a some time to dry first. Then figure out an approach.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View Rich's profile

Rich

1711 posts in 371 days


#3 posted 09-16-2017 01:04 AM

As far as the raised grain goes, I’d go with a grey non-woven pad and see if that knocks it down. If you do sand, I’d suggest hand sanding with 400 grit or finer. Neither one of those should change the look dramatically.

Be sure to test on a small area, if possible, one that doesn’t show.

-- No matter how much you push the envelope, it'll still be stationery.

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mayday3374

3 posts in 35 days


#4 posted 09-16-2017 03:45 PM

Thanks for the replies. I Ended up block sanding my panels for the table top with 220 in the water damage areas until I was getting clean dust from the sanding block, then feathered it into the surrounding areas. Lighter sanding/ finer grit wasn’t removing the border where the water had soaked in. I didn’t have to take it to bare wood in all areas but it was a lot of blending with the sanding block. Ended up doing same with the aprons and legs. 220 to level and even then out and 320 once over the entire project. Reapplied blo this morning and everything looks good.

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