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

From Factory to Foundation: How Precast Concrete Is Made

Precast concrete is one of the most reliable and versatile building materials…

Precast vs. Poured-in-Place Concrete: Which Is Better for Your Project?

When planning a residential or commercial construction project, one of the key…

If You Think Concrete Is Just for Sidewalks, You Haven’t Seen Precast Yet

Walkways made out of precast concrete have become a common sight in…

From Parking Garages to Retaining Walls: Precast Concrete Applications

In the modern construction world, precast concrete has become one of the…