Foundation Piering in Schertz

What a pier actually does under your house

A slab home carries its weight on a thickened edge called the grade beam, and that beam sits on whatever soil happens to be under it. In Schertz that soil moves. A pier takes the load off the moving layer. The crew digs an access pit against the beam, seats a bracket under it, and presses pier sections down one at a time using the weight of the house above as the thing to push against. When the sections stop advancing, the bracket is loaded and that stretch of beam is riding on the pier rather than on the dirt beside it. Nothing about the clay changes. The house simply stops being supported by it. We press steel piers and hybrid piers, and nothing else.

Why the ground around Schertz puts piering on the table

The soil series on record for Schertz is Barbarosa. Its linear extensibility reads 7.5 percent, which lands it in the high shrink-swell band. Barbarosa is clay laid over an old gravel terrace, and that layering is what makes it a piering conversation. The gravel below drains, so the clay above it does all of the volume change, and the clay is the layer a grade beam is trying to bear on. Sunev, Houston Black and Lewisville are on the books around Schertz too. Which of those ended up under one particular lot is not something a map settles at that scale, and it is not what a pier plan runs on anyway. What all of them share is a top layer that gains and loses volume while the house above it holds still. That is the mechanism behind Central Texas clay movement, and a long dry summer is when most Schertz settlement first shows up at the doors and the brick. Our Schertz service area page walks through how that plays out by neighborhood and build era.

How the pier count gets decided

Pier count follows how much of the perimeter moved, not how many square feet the house has. An ICC-certified inspector shoots floor elevations across the whole slab and maps where it reads low and by how much. Piers then go along the run that dropped, spaced under the grade beam where the load concentrates, which usually means corners, beam intersections and the span between them. A large home with one rotated corner can need a short list of piers. A smaller home whose entire back wall settled can need more than its neighbor twice the size. That is also why no count given over the phone is worth anything. The map has to exist first.

What refusal means and why depth is the wrong question

Homeowners ask how deep the piers go. The better question is what they are standing on. Each section is pressed with a hydraulic ram, and the gauge reads the resistance coming back up the stack. Refusal is the point where the pier stops advancing under the pressure the house can supply. Depth is whatever it took to get there, so it varies lot to lot and sometimes corner to corner on one lot, especially over a terrace deposit where the firm material is not laid out like a flat table. The reading at refusal is the record that the pier found bearing, and it gets logged for every pier on the job. There is a full write-up of what driven to refusal means if you want the gauge-level version.

Cost, paperwork and what happens after

Steel and hybrid piers run $600 to $1,000 each installed. Multiply by the count off the elevation map and you have the job, which is why the count conversation matters more than the per-pier price. The inspection and the written scope cost nothing, and the scope is set before the first shovel rather than revised once the pits are open. The piers themselves carry a lifetime transferable warranty, which follows the house to the next owner. After the work, a yearly performance follow-up inspection re-reads the floor so the result is checked rather than assumed, and the readings are taken by ICC-certified inspectors, the same people who measured the house before anyone priced a pier.