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Finally got my corner beads to stop cracking on a big Reno job
Switched from the standard 6 inch knife to a 10 inch for the final coat and it made the whole transition way smoother. Anyone else find a bigger tool helps with those tricky outside corners?
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ruby_grant1d ago
Swear by a bigger knife for that final pass. Had the same issue with a long hallway, corners looked like a topo map. Grabbed a 12 inch trowel on a whim and it just floats over the humps. The extra length bridges the gap so you're not fighting each side separately. Totally changed how I handle outside corners now, way less sanding later.
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sanchez.mia1d ago
Bridging the gap" is exactly it. I used to be all about the 6 inch knife for control, thought bigger tools were for amateurs. But fighting each side of a corner separately just builds up too much mud in the wrong spots. Letting a longer blade smooth over the whole thing at once is a game changer. It feels wrong until you see the finish. Now my 10 inch is the only thing that touches a final coat on an outside corner.
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lisa_murray17h ago
That idea of a longer blade just floating over the humps never worked for me. A 12 inch trowel feels clumsy on a standard corner. I find it just pushes the mud around instead of cutting it clean. My method is still a 6 inch knife, but I keep it much sharper and use almost no pressure on the final pass. It feathers the edge so fine you can't feel the transition. For me, control always beats length.
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