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/diy/ - Do It Yourself


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400917 No.400917 [Reply] [Original]

Hey guys, need help with sealing wood. I recently reseated this table and some of the larger upward face ing surfaces are beginning to mold underneath the sealer. It did rain between my 2 coats on the top, but I thought it would be fine as I left it to dry for a day. The mold is not between the coats but on the wood itself. I have started stripping the topcoat but what can I do to prevent it from happening again? I decided to strip it out on a cooler day so the air is drier( live in Florida) also this table is fully exposed , but I sealed EVERYTHING so it's mostly okay ..... See next post

>> No.400926
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400926

The only part not stained is the bottom table seen inside the cabinet, the overhanging parts of the counter are sealed top and bottom, is it the inside part that needs to be stained?? The inside area is dry and is one of the few places it has no mold, I'm starting to think I may have to completely seal everything including the hard to get to bottom of the table, but will this help? Do I need to dry it more? I'm in a bit of a time crunch for cool weather and I have just today to fix this, the best I could do to keep it dry is temp move it under the overhang, but it wouldn't be raining today so there is no need.
The photo shows only not stained part.

>> No.400933

>>400917
You have to seal the whole table...the underside as well, or it will absorb moisture. It won't need to be 'stained' though.
Probably would have been better to finish the table indoors, where you can control the moisture content somewhat...rain and the relative humidity sure isn't helping you out any...

>> No.400934

>>400917
holy shit at first i was like.. "this bitch cant even get a straight picture, how can he do anything right" then clicked on your picture and i was like "OMG THIS NIGGA IS A WIZARD THE PICTURE IS STRAIGHT SO IM SURE HE IS STRAIGHT TOO"

Sorry but i cant help you, im not good with wood, but you could dry it, and then try again.

>> No.400956

>>400933
Ya I would have liked to, but given i can barely get it in one of the doors when there's is no furniture, I doubt I could get it in now, not to mention fumes. But I geuss ill just have to sand it all the way, wish me luck

>> No.400979

I am using 50grit to get the sealant off, but how do I get the mold off? Also should I switch to something like 120 right before the last of the finish is off for a smoother surface? Or just wait till its all off and it's bare wood then smooth it?

>> No.400984

>>400979

50 grit? yeesh...you're going to end up spending quite a bit of time sanding out those scratches...I probably would have started with 80 myself for a table...50 grit is good for floors...

Mold needs to be washed down with a baking soda/water solution, or an enzyme solution.

Then you have to let the wood dry...completely. If you seal it before it is dry, the finish will peel...and you get to start it all over again.

>> No.400991

>>400984
Ok before the sealant is completely off i will use 120 till its nice'n smooth yet again, wish me luck.

Also may be eating my words about the whole it not raining today thing...

>> No.401004

Ganna get my sanding sponge out and do it by hand a bit, then ill clean it off and try that baking soda thing.
Hopefully I can get it sealed by tonight? What is the best course for drying??

>> No.401014

brah you can sand the mold off brah.. once you sand it down with 80 grit leaving only fresh flat clean wood, sand it with 150 grit to get it nice and smooth and even texture.. use a random orbit sander, Then stain, wipe off excess stain let it dry for a couple of hours, then seal it, then sand it lightly using 220 grit, then clean coat it then sand it with 220 lightly again then clear coat it again. make sure you the wood isn't wet or havd a high moisture content before you seal. I've finished furniture piecs for both inside and outside and they are still fntastic looking

>> No.401024

>>401014
Could I use 120 to strip the last remnants of the sealant till the mold is gone, then use 180 to smooth? I get the dealing I do need to wash the mold off any more opinions?

>> No.401029

>>401024
You can't just 'sand' the mold off...'brah'

You have to completely kill it, especially if its on the pores of the wood.

It will more than likely take more than today for it to dry...you can try pushing it with a fan, or compressed air maybe.

I wouldn't know really, I'm simply a cabinetmaker with some 20+ years of experience...sorry brah...

Best of luck...

>> No.401032

>>401029
Why did you cite my post? I was skeptical of the whole sand it off shit. Anyway, what do you recommend for. 'Killing it' ?

>> No.401068

>>401029
Actually you can brah.
I'm a Journeyman Carpenter and I've apprenticed under a cabinet maker years ago.
Fun fact : Cabinetmakers are basically assembly line workers and know little to nothing about actual carpentry. Its basically like working at Mcdonald's.

You have to remove mold through SANDING. otherwise, it will always show through.

But what do I know,
I only build homes (from the ground up including cabinets), and my side business is only refinishing old (and sometimes moldy) furniture..

I'm glad we had this chat and hopefully you learned somthin' lil' buddy!

Also, try quote the right post next time LOL

>> No.401072

>>401068
Trying to sand taking a long ass time, also HOW WILL I KNOW WHEN IT IS DRY?

>> No.401079

>>401068
Rilly brah?

You can kill mold simply by sanding?

Actually...no you can't...you will spread the mold by sanding...then it'll make ya sick there brah...

Mold remediation/abatement has become a small industry all unto itself, and there is loads of info as to what to do with mold...and there is no sanding involved.

As there are with all trades and careers, there are those who know what to do...and are good at what they do.

Then there's you there skippy...You obviously don't know jack shit what your talking about...and your probably a jack shit carpenter to boot.

>> No.401087

>>401072
A moisture meter works well, baring that...I don't really know.

Give it a coat of sealer, and hope for the best I guess...

>> No.401093

>>401087
General consensus is no to sanding.. I still need to know what to do, does baking soda and water really work

>> No.401102

>>401093

No general consensus...thats just me.

Baking soda and water will work...I had to use this at my house before I put a dehumidifier in the basement.

No sanding was involved...

>> No.401131

Don't have any baking soda ( idk why) but for your guys help I'm offering this: boomcat.sexibl.com. Check it out. If you want on the private, message me on there that you are from here.

>> No.401136
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401136

>>401079

>Actually...no you can't...you will spread the mold by sanding...then it'll make ya sick there brah.
Cabinetmaker who doesn't know how to use a dust mask?LOL ..Also, no, you won't.

>...and there is no sanding involved.
no sanding to remove a small mold stain from table?

It appears u have been coaxed you into multiple snafus, brah.

Pic related : My mental image of your face explaining to mold remediation/abatement specialist that you need him to remove a small mold stain from your table.

>Then there's you there skippy...You obviously don't know jack shit what your talking about...and your probably a jack shit carpenter to boot.

Gets corrected, had an e-meltdown
god I love 4chan...

>> No.401139

OP, also try wiping it with a mild bleach solution.

i paint houses, and we always wash them with fairly strong bleach to kill the mold and mildew before we paint.

be careful: strong bleach will eat your skin; wear gloves.

>> No.401144

>>401068
You are a prick, and don`t deserve any help.

>> No.401145
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401145

>>401139
Thanks, I got most off by sanding but I'm ganna finish it off by cleaning