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Choosing the Best Tool for the Job
Buyer's Guide to Concrete Finishing Tools: Tips for choosing top-quality tools that will perform well job after job
Must-Have Tools for Exterior Concrete: The five tools outdoor concrete contractors can’t live without
Five Must-Have Tools for Decorative Flooring Contractors Create eautiful decorative concrete floors with these five tools
Five Must-Have Tools for Concrete Countertop Contractors
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Contractors' Favorite Concrete Tools: What they use and why they like them
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Video: Concrete Tamper
Time: 01:50
Watch how to use a concrete tamper on freshly poured concrete.

Tampers (sometimes called Jitterbugs) push the coarse aggregate in the concrete below the concrete surface and consolidate the concrete.

Most tamping is done with the finisher standing in the wet concrete-though there are roller tampers that can be used from outside the forms.

Tamping should only be done on low slump concrete. With high slump concrete, the coarse aggregates sink naturally and tamping can cause segregation of the aggregates. Ralph Spannenberg, in "Use the Right Finishing Tools at the Right Time" notes that if a tamper is used when the slump of normal weight concrete is greater than 3 inches, a tamper segregates the concrete, creating a thick layer of mortar at the surface. When the concrete dries, this cement-rich surface shrinks more than the underlying lean concrete. Map-cracking of crazing is often the result.

Featured Products
Kraft Concrete Float 24" x 3.25" Lightweight magnesium float for small areas.
Laminated Wood Bull Float Draws excess water to surface. Bracket assembly kit included.
Stainless Steel Groover Allows for sharp grooves with leading edge.
Rattle Stick Concrete Tools Add useful vibration to floats, screeds and more.
Marshalltown Trowel Comes with Dura-Soft handle for comfortable use.
Magvibe Pro High frequency vibration tool. Bolts onto your floats.
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