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Power your way to a polished finish

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Shine time
Squirting white goo on board
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Deposit polish in an area no larger
than your pad can cover. Then place
the pad on the polish and start the
sander. Work a roughly 3-square-foot
area until the polish thins and dries.
Sanding white goo on board
Enlarge Image
 
Use a light touch with your random
-orbit sander and keep the pad
spinning freely. Overlap each pass
with the previous one.

Shine time

Place your sanded and cleaned workpiece on a non-skid mat to keep it from shifting as you polish. Then center and attach a yellow buffing pad (Sources) to the hook-and-loop pad of your random-orbit sander.

After shaking the container of polishing compound, squirt a moderate amount directly on the workpiece in an area the size of your polishing pad, photo right. Place the foam pad on the compound and start your sander at its highest speed.

Press lightly and polish a workpiece section of about 3 square feet in overlapping circles, photo below right. Go easy at edges and corners. Polish these areas just enough to reach the desired sheen, then stop before you polish through the finish.

Note: With polyurethane, sanding or polishing too long in one area can cut through the outer topcoat to the layer below and create a ring. If that happens, clean the workpiece thoroughly with mineral spirits, scuff sand it with 320-grit abrasive, and apply a full-strength topcoat. After it cures, sand as before and resume polishing.


Continued on page 6:  More Resources

 

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