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removing grease and glaze from kitchen doors?

8/18/16       
JeffD

So an odd question, I'm doing a favor for the MIL and trying to clean the grease off several kitchen doors, the ones directly over the stove. This woman cooks a LOT and the grease is absurdly thick. I tried the usual suspects like Simple Green and the grease just laughed at all of them. I'm now trying DNA and while it removes the grease, it's also removing some of the finish!

To my understanding the only solvent based finish that's susceptible to DNA is Shellac. These are 25 or so year old factory cabinets, (I think IIRC Schrock), so I can't imagine they used shellac, but it's definitely removing something! Almost seems like a glaze coat as the stain coat is still protected under a layer of dull finish, but there's a bit of color to the gunk coming off.

So my questions are....would they have used a softer finish as a glaze and left that as a topcoat? Alternatively could a finish degrade over 25 or so years to the point of being susceptible to DNA? The lower layer of finish seems impervious to the solvent. Also the rest of the doors away form the stove still look fine.

Would it be safe for me to spray a coat of catalyzed lacquer once I remove this gunk for a fresh topcoat? Or is there no way of knowing without trying it out?

Lastly...does anyone know of a good grease remover that's less potent than DNA but significantly more powerful than Simple Grean, 409, etc.? I still have the cabinet fronts to try and clean and don't want to deal with removing finish from them.

thanks,
JeffD

8/18/16       #2: removing grease and glaze from kitc ...
Leo G

Tri Sodium Phosphate is what is usually used to clean grease off cabinetry. If the finish is that soft it may take it off too.

Look for TSP.

8/18/16       #3: removing grease and glaze from kitc ...
Leo G

TSP... CLEANING FOR THE BIG DOGS!!

TSP... CLEANING FOR THE BIG DOGS!!

8/19/16       #4: removing grease and glaze from kitc ...
james G

Dawn dish detergent with a white scotch brite pad . The white scotch pad is soft enough to not typically harm existing finish . I usually will wipe down with VMP naphtha after that . Make sure to rotate and keep your rags somewhat clean so your not moving contamination around as well . Fish eyes can be a issue even after all your cleaning ... No matter what you use ...
As for going straight to a catalyzed lacquer after that, sounds like a disaster for finish crinkle issues . I like to shoot ML Campbell's vinyl ... Any vinyl sealer would most likely work . This should melt and adhere to existing finish , allowing to proceed to your more durable catalyzed product after .
I recommend that you do a couple light ... And I mean light ...dust coats of vinyl first . This will sit on top and not allow the fish eyes to form usually . After that has dry , you can come back and put your wet coats of vinyl for build .
Hope that helps .
Old finishes are weak . Heavy solvents for cleaning only break them down more and make them susceptible for finish failure when you put your solvent sear or top coats on top .

8/20/16       #5: removing grease and glaze from kitc ...
kevin

im a fan of automotive wax and grease remover.


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8/20/16       #6: removing grease and glaze from kitc ...
Mastercabman

TSP and then lightly scuff sanding
You can try a pre-cat lacquer but try it on a small area first
I wouldn't use post cat or CV if you don't know what's on those doors

8/21/16       #7: removing grease and glaze from kitc ...
Adam

Don't dilute the Simple Green more than 50% with water. It is better at removing motor oil and grease than anything I've ever seen.

The longer it sits the better it works. I would mix it 50/50 with water. Spray the cabinets. Let it sit for 1 hr. Then go back with a bucket of water and a sponge and wipe it all off.

8/21/16       #8: removing grease and glaze from kitc ...
Adam

TSP is amazing stuff. Besides taking the grease off, it will degloss any oil based finish. Which makes it great for painting ones house.

8/22/16       #9: removing grease and glaze from kitc ...
jonathan mahnken

TSP is the only thing that has impressed me besides the automotive type solvent stated above. And yes it does work on kitchen grease very well, just used it today on a kitchen refinish. I dont know about motor grease ect, but simple green has never impressed me, though I have never mixed it as strong as 50/50


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