GatorBar FRP Rebar Installation Guide

Written by GatorBar | May 5, 2026 8:51:36 PM

The Future of Reinforcement: FRP Rebar

If you’ve spent any time on a concrete crew, you know the drill: heavy bundles of steel, rust-stained shirts, and the back-breaking labor of lugging #3 or #4 rebar across a job site.

But there’s a shift happening in the industry. Whether you’re a DIYer pouring a new patio or a professional contractor looking to speed up production, GatorBar (Fiberglass Reinforced Polymer) is changing the game. It’s 4x lighter than steel, twice as strong in tensile strength, and—the best part—it will never rust.

Here is everything you need to know about setting up GatorBar for your next concrete project.

Why Swap Steel for GatorBar?

Before we get into the "how," let’s talk about the "why." Traditional steel begins to corrode the moment it’s installed. As it rusts, it expands, causing the concrete to crack and spall from the inside out.

GatorBar is a composite material. It’s corrosion-proof, making it ideal for:

    • Driveways & Sidewalks: Resistant to de-icing salts.
    • Pool Decks: Unaffected by chlorine or saltwater.
    • Agricultural Slabs: Non-conductive (great for livestock) and resistant to chemicals.

Step 1: Planning and Prep

GatorBar is incredibly strong, but it handles differently than steel.

    • Size Substitution: Because of its high tensile strength (155 ksi), you can often "size down." For example, #3 GatorBar can often replace #4 steel in many flatwork applications. Always check your local codes or engineering specs first.
    • No On-Site Bending: Unlike steel, you cannot bend GatorBar on the job site. If your project requires 90-degree corners or stirrups, you’ll need to order factory-made GatorBar bends.

Step 2: Cutting FRP Rebar with Ease

Leave the sparks and heavy steel-cutting equipment behind. With GatorBar, a standard diamond blade or abrasive blade on an angle grinder or circular saw will slice through a whole bundle at once.

    • Pro Tip: Wear gloves, long sleeves, and safety glasses. Since it’s fiberglass, the dust can be itchy.

Step 3: Tying Like a Pro

As shown in our latest demonstration video, GatorBar ties exactly like steel.

    • Standard Ties: Use standard steel tie wire with a rebar tie gun.
    • Plastic Ties: If your project requires a 100% non-ferrous (metal-free) environment, you can use nylon zip ties or plastic clips.
    • The "Grid Benefit": Because GatorBar is so light, crews can tie entire grids off-site or on a flat surface and simply carry the finished grid onto the job site. This is a massive time-saver for projects plagued by rainy weather.

Step 4: Chairing and Spacing

"Pulling" rebar into place during a pour is a risky habit. With GatorBar, chairing is mandatory. Because the material is so light, it will float or shift if it isn't secured. Watch this video on how to chair GatorBar FRP rebar.

    • Height: Aim for the middle of the slab (e.g., use 1.5-inch chairs for a 3-inch slab).
    • Dobie Bricks or Poly-Chairs: Standard plastic rebar chairs or "dobies" work perfectly. Ensure the bar "snaps" in securely so it doesn't move when the concrete truck arrives.

Step 5: The Pour

When the concrete hits the ground, GatorBar stays put if properly chaired.

    • No Rust Bleed: Unlike steel, you don't have to worry about "rust spots" showing up on the surface of your decorative concrete later.
    • Thermal Efficiency: For those building with Insulated Concrete Forms (ICF), GatorBar doesn't "bridge" heat or cold like steel does, making your structure even more energy-efficient.

Bust Less with GatorBar on Weekend Projects to Miles of Installation

For the DIYer, GatorBar makes a weekend project manageable. You can fit 400 pieces of 20-foot GatorBar on a standard ladder rack without exceeding weight limits.

For the Concrete Pro, it’s about the bottom line. Reducing labor hours by 30-50% and eliminating the need for heavy machinery to move rebar means more projects completed per season.

Ready to upgrade your reinforcement? Stop fighting the weight of the past and start building with the strength of the future. Connect with GatorBar today to learn more!

Looking for more tips? Check out our YouTube channel for deep dives into tying, chairing, and cutting GatorBar!