100Pcs Heavy Duty Plastic 1-1/2" Rebar Chair Rebar Support Chair (Suitable for #4 Rebar) Concrete Chair for Steel Wire Mesh（Elevates 1.5"）

Wet concrete exerts heavy pressure and constant vibration, often causing ordinary supports to shift or tilt.

• 【Rock-Solid Stability】 Wet concrete exerts heavy pressure and constant vibration, often causing ordinary supports to shift or tilt. Our rebar chair features an innovatively widened base design, acting like a stable "foundation" for the reinforcement mesh. This significantly increases the contact area with the formwork. During pouring, it stays firmly anchored to the ground, effectively resisting lateral forces from concrete flow. This ensures the reinforcement layer remains at the precise designed elevation—preventing sinking or tilting—and lays a solid foundation for project quality.
• 【Building a Greener Future】 We believe that outstanding performance should not come at the expense of the environment. This product is crafted from high-strength recycled plastic, delivering industrial-grade durability while honoring our commitment to sustainability. At the end of its service life, it is biodegradable and seamlessly returns to the natural cycle, significantly reducing construction waste. By choosing us, you’re not just selecting a reliable tool—you’re contributing to the sustainable future of our planet. Every structure you build carries forward a legacy of green craftsmanship.
• 【Engineered for Efficiency】 The tedious tying process of traditional methods is now a thing of the past. Our innovative quick-lock design requires no additional tools or binding wires—simply place the rebar into the slot and press lightly for instant locking. This provides a consistently standardized installation experience, dramatically simplifying on-site workflow. It liberates workers from repetitive tasks, multiplies rebar laying efficiency, and delivers real savings in time, labor, and cost.
• 【Precision Elevation】 Every millimeter matters for structural integrity. Engineered specifically for #4 rebar (Φ1/2" 12.7mm), this chair provides an exact 1.5" clear cover elevation. This rigorously calculated dimension ensures optimal bond strength and corrosion protection for the reinforcement, fully complying with building codes. From the very start, it safeguards the durability and structural safety of concrete elements—delivering peace of mind for you and your clients.
• 【From Chaos to Order】 We offer more than just a product—we deliver a solution that elevates overall project quality. It transforms rebar support from a skill-dependent, experience‑based task into a precise, standardized process. Uniform sizing and reliable performance ensure consistent concrete cover depth across the entire work area, eliminating the risk of cracking caused by uneven support. This is an intelligent upgrade to traditional construction methods—the smart choice for modern builders who value quality, efficiency, and predictable results.