JAWS® Large Concrete Screed Chair – 1-1/2″ to 2″ Rail Support - Slab on Grade & Elevated Decks

Made in the USA • Patented • Proved Worldwide What Is JAWS® Large? JAWS® Large is a stay-in-place concrete screed chair designed to support 1.5″ to 2.0″ wide aluminum, magnesium, or steel screed rails for accurate grade control and consistent screed setup. The patented JAWS® “teeth” hold the screed rail securely during placement and release easily when moving down the pour line. The internal “fins” hug the mounting structure so the chair will not bounce off rebar or rod during placement. Designed For Slab-on-grade construction Elevated slabs Concrete overlays Vapor barrier slabs Bridge decks and infrastructure projects Super flat floors requiring FF/FL compliance Industrial and commercial flooring Why Contractors Choose It Designed for wider 1.5″–2.0″ aluminum, magnesium, or steel screed rails JAWS “teeth” hold rail securely yet release easily as you move down the pour line Internal fins hug rebar/rod to prevent bounce-off during placement Non-conductive and non-corrosive for harsh