That corner trowel hack for inside 90s actually works

I kept fighting with inside corners on a basement job in Portland last month. Tried dipping my corner trowel in a bucket of water mixed with a drop of dish soap before each pass and the mud just GLIDES on. No more pulling or tearing on the paper tape. Has anyone else tried this or got a better way to make those corners smooth?

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val_wilson4mo ago

Hasn't that dish soap trick just saved your sanity on a basement job? I've been there in Portland with those crusty old corners that just tear the paper no matter what you do. The water and soap trick really does make the mud slide like butter, I started doing it a few years ago after a framer buddy put me onto it. My only other tip would be to keep that corner trowel sharp and clean between dips, a dull edge will still grab and mess with your rhythm.

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bell.emma4mo ago

Buddy of mine @val_wilson tried that soap trick and it saved a whole basement for him.

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