Question 1

Is this good for a wood door in a humid steamy bathroom.  I used Formby's tung finish and the door has some mold staining in spots now.

Accepted Answer

I love this product.  We have a professional wood finisher who also works at our local woodcraft store . He swears by it and uses it as a base coat on all raw wood .  Prior to all stains or top coats.  It is essentially a 2 pound cut of shellac with out wax so polyurethane can go right on top.  Brush it on and let dry 24 hours then light sand off with 320 or 400 grit paper. .  If you stained underneath be careful not to sand too hard.The ting oil in humid conditions is not advisable .  I'd chemically  strip the old products off.  Sand 80, 100,150,200 grit.  Then alloy the sealcoat.  Stain after that then top coat with general finishes ENDURO pre cat urethane. Three coatsHope this helps

Question 2

Would this make a good topcoat final finish on pine?

Accepted Answer

I suppose I'll have to be the devil's advocate on this. You absolutely can use this product as a topcoat. It's simply dewaxed shellac. So, it's great for producing a traditional french polish gloss or even a lower gloss satin (depending upon how much you sand/polish). If you want to use it as a topcoat, you may need several coats of it to build up to the desired sheen. I make drums and I've used this product extensively as both a sanding sealer and a standalone finish.

Question 3

What "cut" is this?  One pound, two pound, etc?

Accepted Answer

This product contains wax-free shellac, 2-pound cut.

Question 4

Will this work well over a general finishes dye stain (to seal) and under a satin poly? to lock in the dye stain, so the poly doesnt lift it

Accepted Answer

I have only used it as a pre-stain sealer on hard maple to provide more even and consistent stain (I use a gel stain usually).  I think some experimentation is in order for your question although I would think it would work well under a satin poly.

ASIN	B000C02BXW
Best Sellers Rank	254,340 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,678 in Sealers
Brand	Zinsser
Compatible Material	Metal, Plastic, Wood
Customer Reviews	4.6 4.6 out of 5 stars (1,099)
Finish	Flat
Global Trade Identification Number	00047719008545
Item Form	Liquid
Item Type Name	Rust-Oleum Zinsser 854 1-Quart Bulls Eye Sealcoat Universal Sanding Sealer
Item Weight	903 g
Liquid Volume	1 Quarts
Manufacturer	Rust-Oleum
Model Number	854
Number of Items	1
Part Number	854
Recommended Uses For Product	Wood surfaces (furniture, cabinets, floors) as a preparatory step before applying varnish or paint
UPC	047719008545

Rust-Oleum Zinsser 854 1-Quart Bulls Eye Sealcoat Universal Sanding Sealer

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