Elevate Rebar 3" - Properly Position and Support Rebar In Concrete Slabs Sandbaggy Concrete Slab Bolster Upper (also known as a beam bolster) provides great strength and durability with its 6 gauge steel and continuous design. Installation is effortless, simply placing it on the ground and positioning the rebar. Its continuous design ensures even support and spacing of the rebar.Our 3" tall Plain Slab Bolster Upper is great for a variety of applications, such as elevated decking, footings, slabs on metal decks, bridges and patios/sidewalks. It streamlines the rebar installation process, yields better concrete consistency and extends the longevity of concrete structures. (More rebar supports & chairs available) Specs Material: Steel Gauge: 6 Height: 3 inch Length: 5 ft Width: 5 inch Weight: 27 oz (1.7 lbs.) Features Exceptional Strength and Resilience: Constructed with construction-grade 6 gauge steel and continuous design to stand up to heavy duty use. Continuous Design For Easy Installation: Simply place it on the surface and position the rebar on top. The 5 ft continuous slab bolster ensures uniform support and spacing of the reinforcing bar, minimizing your time and energy expenditure. Save With Sandbaggy! Our Slab Bolster Upper offers impressive value for its price - available at wholesale prices Great For A Variety Of Applications, such as elevated concrete decks, footings, metal decks, bridge decks, and patios and sidewalks. Improve Concrete Quality: Helps optimize rebar placement, resulting in a superior quality and stronger concrete. Sandbaggy Rebar Parts & Accessories Build with confidence using Sandbaggy’s full line of rebar parts and accessories. From support chairs, slab bolsters, and spacers to tie wire, safety caps, stakes, and tying tools, we offer a wide range of sizes and styles designed to make every concrete job easier and more reliable. With more than 1 million rebar chairs, 9 million bar ties, 15 million feet of tie wire, and 850,000 rebar safety caps distributed nationwide, Sandbaggy is a trusted name among contractors and construction professionals who value dependable quality and consistent performance. Built for strength, stability, and simplicity on the jobsite, our rebar accessories help ensure every pour meets the highest standards. FAQ What is a slab bolster upper? Slab bolster uppers are type of rebar rod chair used to space layers of steel or support steel on soft material surfaces. They feature two runner wires connected by evenly-spaced legs and topped with a supporting wire, available in various heights and lengths for project-specific needs. What are slab bolsters used for? Slab bolsters are regularly employed in concrete construction for applications such as: Elevated concrete decks Footings Slab on metal deck Bridge decks Concrete patios and sidewalks Slab bolsters secure rebar to the correct positions, promoting the reliability and endurance of the concrete structure. What is the spacing for slab bolster uppers? A typical spacing for slab bolster uppers is 5 inches on center, please note this may vary depending on the application and advice from an engineer or architect. What's the difference between a slab bolster upper and lower? Slab bolster uppers provide a structural foundation to hold one layer of steel above another, while slab bolster lowers are meant to support the bottom steel rebar in a concrete slab. What is a concrete beam bolster? A Concrete beam bolster (also known as a rebar bolster) is used to support lower beam steel from the slab form. Concrete bolsters are available in a variety of sizes to meet the specific needs of each project.
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