I bought both this and a 3M drywall abrasive screen (mesh type) and I have to say that i like the screen a lot more. Although the screens are rated for a higher grit (220, while these blades are 150 grit, although both products are "fine grit"), the screens are less prone to clogging and do a better job on both intermediate and fine sanding . These sheets extrude and indent the seam a little more than I would like, even with light sanding after the second coat. Do not get me wrong. If you can't get screens and the alternative is sandpaper without a hand sander, this is definitely the way to go. It just can't keep up with the performance of screens.
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