Spec-Check

Spec-Check® (patent pending), developed by Presby Environmental, is a portable, hand-operated device used for sorting/grading a sample of aggregate, sand, silt or other particulate material in order to determine whether a sample meets the septic sand specification for an intended use.

Our Products

Endcaps

4" Internal Coupler

3" Internal Coupler

EZflow Septic System

Retaining Wall Height and Structural Considerations

Retaining walls offer a multitude of benefits, from preventing soil erosion to…

How Precast Concrete Withstands Harsh Environmental Conditions

In the world of construction, there’s a demand for materials that can…

Precast Solutions for Infrastructure Projects

Large-scale infrastructure projects often demand durable materials, faster completion, and consistent quality.…

Why Retaining Walls Are About Safety, Not Just Looks

Retaining walls are more than just stacked stones or bricks holding back…