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A job in Fresno changed my mind about power trowels.
We did a 40-yard slab for a warehouse floor, half with a 36-inch power trowel and half with a 48-inch. The finish on the 48-inch side was noticeably tighter and flatter after the final burn. Is the bigger machine always better for large commercial pours, or does it just depend on the crew?
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parkerrodriguez2mo ago
That paint roller idea from owens.river is spot on. It's the same principle. A bigger blade just holds that plane better across a wide open space. On a small patio, a 36 is fine, but for a warehouse floor, the 48 doesn't let the concrete crown up between passes. You see less of those subtle high and low spots. The finish just comes out more even.
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