RailFin Concrete Screed Chair For One Quarter Inch Flat Rolled Steel Rails Stay In Place Slab Support Non Corrosive Made In USA Pack Of 100 Ideal For Precise Slab Elevation Control Durable Construction Accessory Easy Install Keeps Rails Level And In
✔️ 1/4 inch flat rolled rail chair, non corrosive, 100-pack
This stay-in-place RailFin chair is designed for 1/4 inch flat rolled screed rails, delivering stable rail support for precise slab elevation during concrete placement. It is ideal for slab-on-grade, elevated slabs, bridge decks, vapor barrier slabs, and super-flat floors. Made from impact-resistant medical-grade polypropylene, it will not rust or corrode when embedded in concrete. DOT approved in most states and Made in the USA. Color: orange. 100 chairs per bag (covers approx. 3,000 sq ft).
✅ Supports 1/4 inch flat rolled screed rails for precise elevation
✅ Non-corrosive stay-in-place polypropylene resists rust during concrete placement
✅ Patented Fin-Lock system grips rebar, threaded rod, conduit, stakes, or dowels from 3/8 inch to 5/8 inch
✅ Keeps rails level and seated during concrete placement
✅ Pack of 100 chairs covers approx. 3,000 sq ft