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How To Smooth Out Polyurethane Finish

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Rub out the finish using a medium synthetic abrasive pad 00 steel wool equivalent. Start with a thick coating.

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A light mist knocks them out.

How to smooth out polyurethane finish. Scuff sand the bubbles with 120 grit or finer sandpaper depending on what youre finishing. Put on the polish. A glass smooth finish begins with a level even surface.

Just roll it out and use the raking light to make sure the surface is completely covered. Sand lightly with 240 grit sandpaper between coats then let the last coat dry for at least 24 hours. The general order of wood finishing is as follows.

Dont keep working the finish. Sand bare wood smooth and dust clean. Dont freak out when you see the finish right after you lay it down.

4 steps to a perfect polyurethane finish prepare your workpiece. The final coat gives your workpiece its smooth feel and flawless. Itll look like its full of flaws.

Move to a low dust setting. Somewhere without lots of foot traffic. I keep a can of spray poly handy in case of bubbles.

It is nearly impossible to get a perfectly smooth finish no matter how you apply it. Rub until you get a flat even sheen across the entire surface. Sand with fine 320 or 400 grit sandpaper then dust clean.

Switch to a fine synthetic abrasive wool 0000 steel wool equivalent to bring the finish to a satin sheen. A defect free finish even with a brush. Thats not to say you should apply each coat thickly.

A pre stain conditioner may be necessary on some woods generally soft woods. You would use coarser paper to scuff a floor than you would a tabletop. Apply stain and poly.

If the bubbling is extensive sand with a palm sander or if youre finishing a floor a floor buffer and a sanding screen. Let it be and it will flatten out. And finally to get the ultra shiny effect i break out the car polisher and use a mothers polish the next day to buff out the haziness of the sanding.

You can rub out all types of film forming finishes including shellac lacquer oil based varnish and polyurethane waterbased coatings and catalyzed or conversion coatings. There are three strong reasons for doing so. The first is simply practical.

Four regular coats of urethane applied one over the other is a good starting point.

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How To Smooth Out Polyurethane
How To Smooth Out Polyurethane
4 steps to a perfect polyurethane finish
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