Portray wooden furnishings has its difficulties! Be taught to completely block tannin bleed-through from wooden stains and knot holes with these two tried-and-tested choices.
Additionally useful: Learn how to Select the Greatest Paint for furnishings – Learn how to Refinish Wooden Furnishings (no sanding!) – Should Know Tricks to Prep and Refinish Furnishings
Portray Wooden Furnishings: Stopping Tannin Bleed-By
(Learn how to Completely Cowl Knots and Outdated Stain)
by Elisha of Pneumatic Addict
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I like to construct DIY furnishings. Typically it’s new, uncooked wooden and generally I’m masking up an previous end.
Both method, I’ve had painted wooden furnishings tasks that appeared nice to start with then, particularly with white or gentle paints, the tannins began to bleed via. Irritating!
So simply what are tannins?
Tannins are naturally-occurring compounds present in wooden and different crops, together with these in espresso, tea and grapes/wine. They assist stop illness and regulate the plant’s progress.
Due to their chemical nature, the tannins seep to the floor, even after the wooden is totally dried and thoroughly painted. The chemical compounds in wooden stain do the identical.
Stained wooden, such because the mahogany end on the wooden pictured beneath, is the worst offender. Knot holes are additionally repeat offenders!
Greater than as soon as, I’ve gone via the beneficial steps for portray wooden furnishings: sanding, making use of primer, two coats of paint AND 2-3 coats of clear end, simply to see little pink spots coming to the floor.
It’s infuriating! Typically it’s even massive, discolored blobs from knots within the wooden.
I’ve tried nearly each type of primer you should buy, even “stain blocking” primers and the one product that has but to fail me is my previous standby shellac.
Portray Wooden Furnishings: Stopping Tannin Bleed-By with Shellac
I first used shellac to get a easy end when portray MDF, however it additionally makes a tremendous tannin-blocking primer as effectively. It is available in a brush-on formulation or in an aerosol can.
Shellac will be lined in any type of end (oil-based paint, water-based paint, lacquer, and many others.).
I’ve began making use of a coat or two previous to portray each time I’m utilizing a lightweight shade.
It dries in a short time so you may transfer on to portray with out dropping a ton of time. It’s definitely worth the little bit of additional time, belief me!
Observe: As all the time, comply with the applying directions on the can rigorously, following all pointers.
Learn how to Cowl Knots When Portray Wooden Furnishings
Now what for those who simply have one or two downside spots, equivalent to knot holes?
After I constructed my trendy bachelor chests, I primed the uncooked wooden with BIN stain blocking primer and thought I used to be good. Sadly, after a pair months, the knots began to indicate via!
My secret weapon? Clear nail polish! 
Portray Wooden Furnishings: Stopping Tannin Bleed-By with Clear Nail Polish
For a chunk with only a few downside areas equivalent to wooden knots or spots which have been touched up with a stain pen or wooden restore marker (which I’ve found is nearly inconceivable to cowl), the straightforward high coat you utilize in your manicure will do the trick!
Brush one or two coats of clear nail polish onto the areas, no must cowl your complete floor. Then fill in any gaps or indents (like round a wooden knot) with wooden filler.
Within the pattern board beneath, all of the darkish pigment is safely sealed beneath the nail polish and a primary coat of paint. The indentation from the knot can now be simply smoothed over with wooden filler.
Subsequent time you pull out the white paint, bear in mind to deal with the tannin bleed via first! A easy masking of shellac or a number of spots of clear nail polish offer you a easy prevention for bleed-through.
Extra woodwork and ending suggestions and inspiration:
Please pin this for future reference!
Initially printed 04.11.2018 // Up to date 04.16.2021
