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Tool Time Thursday: Why Every Concrete Crew Needs a Mag Float

 Tool Time Thursday: Why Every Concrete Crew Needs a Mag Float

RLW: The Mixer Minute

Before a broom ever touches the surface, there’s a crucial step that comes first—floating the concrete. And when it comes to floating, few tools are as essential as the magnesium float.

A mag float can help smooth out freshly poured concrete, bringing paste to the surface and prepping it for a final finish. It can also help eliminate small imperfections and fill in low spots, giving you a more consistent and workable surface.

A Quick History

The float has been a key part of concrete finishing for generations, but magnesium versions gained popularity in the mid-20th century. Lighter than traditional wood, magnesium floats became a go-to tool for their strength, control, and ability to produce a tighter, cleaner surface.

Types of Mag Floats

Magnesium floats come in a few different styles and configurations:

  • Hand Floats: Designed for precision work and small pours, these are great for edging, corners, or detail areas.

  • Bull Floats: Used for larger slabs, these extend the operator's reach and can help cover more ground quickly.

  • Channel or Rounded Ends: Different ends can offer more control, reduce marking, or help with specific finishing techniques.

  • Soft Grip or Wood Handles: Comfort is key for long days on the job, so mag floats come with different handles to fit user preferences.

No matter the size or scope of the job, mag floats can help create a professional finish that’s ready for whatever comes next—whether it’s a trowel, a broom, or a stamp.


⚠️ Legal Disclaimer:

This blog post is intended for informational purposes only and should not be taken as professional, legal, or construction advice. Every project is unique, and conditions may vary. RLW Concrete LLC is not liable for any actions taken based on this information. Always consult with a qualified professional for your specific needs.


Location: 15150 Milltown Rd, Waterford, VA 20197, USA

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