The most common type of chair is the one that will raise you rebar off the ground, providing the right concrete cover. These chairs are usually on foundation work, like slabs and cast-in-place concrete slabs. They provide stability and they are lightweight, economical and easy to install. Normally, they are made of plastic or non-corrosive material.
Rebar Safety Cap covers and marks the ends of hazardous exposed rebar to help prevent injury and protect workers.