Burch began developing an extruding process for concrete curbing in Sacramento, Calif. He came to Connecticut in 1986, where he first installed extruded curbing at the Amity Post Office.

The 150 and 440-XL extruders are designed to produce pre-shaped, free-standing, structurally sound curb placed to exact specifications. Can be used to produce asphalt or concrete extruded curb in ...