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Bartell

Power Trowel Blades - Float Blades

SKU: 20421
$175.49
Size
Floating of the concrete takes place after the screeding is done.  Wait till after the bleed water dissipates and the weight of the operator's footprint leaves no more than an 1/8" depression. This process prepares the concrete for the final finish by knocking down imperfections and pushing the larger aggregates down further into the concrete. The available options for power trowels are float blades, float pans and combination blades.

Float blades are made from a low-carbon steel and are always used in a completely flat position. Float blades will typically have a slight bend on all four sides so they do not dig into the concrete. Depending on the mounting system, float blades may clip over finish blades or mount directly onto the trowel arms.

Always start the floating perpendicular to the screeding direction and maneuver the trowel perpendicular to the previous direction. Floating in both directions creates a more flat and leveled finish compared to focusing on one direction.

Consider the speed and the number of passes during the floating process. Technically, the number of passes depends on the concrete slump, the admixtures, the weather as well as the desired finish of the slab. Usually, it takes 4 or more passes to get the desired finish. Always consider using the minimum speed during the start so you can control the direction and movement of the power trowel. 

These Blades come in different sizes to fit your machine

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