Concrete Grade Rings

Reinforced concrete grade rings are used to raise manhole access up to grade so when casting is put on the manhole access it is flush with top of pavement. Wieser Precast Steps has the following sizes available:
27” ID Round with heights of 2”,4”,6” and 12”
24” ID x 36” ID Rectangular with heights of 2”, 4”, 6”, 12”, and 18”