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I finally stopped using the old-school putty knife for glazing compound after a job in Denver last fall.
Switched to a 4-inch flex knife for the whole pane and it cut my time in half, plus the finish is way cleaner. Anyone else make the switch and notice less wrist strain?
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finleythomas6mo ago
You really think a flex knife is that much better? I've tried them and they feel flimsy. For a clean line on a wood sash, a stiff putty knife gives you way more control. I can see what @black.shane means about using your arm more, but that just makes the whole motion feel sloppy to me. You lose the feel for the compound. I went back to my old knife after a week.
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beth_sanchez5mo ago
Wait, have you tried a flex knife on a really long run? I feel like the flimsy feeling goes away when you're not fighting the tool on a big surface.
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black.shane6mo ago
Honestly, the part about less wrist strain is huge. I found the flex knife lets you use more of your arm and shoulder, so your hand isn't doing all the work. Tbh, it's a game changer for bigger windows where you're laying down a lot of compound.
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