Quote:
Originally Posted by justplugit
Matt, I have a front porch 36x12 area which I took down
to bare wood by hand 30 years ago and have since put 3 coats of polyurethane
over the years sanding between each coat the last coat applied with the whizz foam roller. It is in excellent shape with no peeling just needs freshening.
Karl is right about prep, but after all the cleaning and scrubbing do you think i can get away without sanding by using " liguid sander" as a last step?
My back won't take sanding anymore. 
Thanks.
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Hi Dave! My limited knowledge on Liquid Sander is that you need to apply whatever it is that you are using directly after you apply the Liquid Sander....it has an "open time" I have always thought of it as being used for a small item.

If sheen is dulled you might not have to sand much at all....but as you know....shortcuts usually don't cut the mustard....