Cracks tell a story. Measurements prove it. A floor-level survey maps how your foundation is really performing — in actual numbers.
A foundation elevation survey measures the relative height of the floor at points throughout the home and records them on a floor plan. The result is a map that shows the high and low areas of the slab and how much difference there is between them. Instead of judging a foundation by eye, you get measured data.
Daniel Windler uses a precision leveling instrument to take readings room by room, then compiles them into an easy-to-read elevation map. Paired with a foundation inspection, the survey helps explain what the cracks and sticking doors are really telling you. On its own, it creates a baseline you can compare to future surveys to see whether movement is continuing.
Elevation surveys are widely used in the Texas foundation industry, and a measured baseline is valuable information to have on hand if you ever need to speak with a structural engineer or foundation repair company.
Measured data turns an uneasy feeling into facts you can act on.
Floor elevations are recorded throughout the home, not estimated.
Readings are laid out on a floor plan so patterns are easy to see.
A baseline today lets you compare future surveys over time.
Share real numbers with engineers, buyers, or repair companies.
San Antonio's expansive clay soils make foundation movement a fact of life. The question is usually not whether a slab has moved at all, but how much, in what pattern, and whether it's getting worse. A one-time visual inspection can't fully answer that. Measurements can.
An elevation survey is especially useful when buying a home with visible cracks, before and after foundation repairs, when selling a home that has had foundation work, and for owners who simply want to monitor a slab over time. A survey done today becomes the reference point for every survey that follows.
Keep in mind that all floors have some variation, and flooring changes between rooms can affect readings. Daniel accounts for those factors and explains what the numbers mean in plain language.
Every elevation survey produces a measured map of your home's floor levels.
Not by itself. It provides measured data about floor levels. Combined with a foundation inspection and, when needed, a structural engineer's evaluation, it helps determine whether repair is warranted.
They work well together. The inspection looks at the signs and causes of movement, and the survey adds measured data to support the findings.
Comparing surveys over time shows whether the foundation is stable or still moving, which is more informative than any single survey.
Yes. A survey after repairs documents the result and gives you a new baseline, which can be helpful when you sell the home.
It can. Differences in flooring thickness between rooms change the readings. Daniel notes those transitions so they aren't mistaken for foundation movement.
From your first phone call to your elevation map, here's what to expect.
Call or text Daniel at 210-216-4322 and let him know what prompted the survey.
Daniel takes precision floor-level readings throughout the home.
Readings are compiled into an elevation map on a floor plan.
Daniel explains the results and what they mean for your home.
"I Inspect, so that you know what to Expect."— Daniel Windler, Owner & Operator
Call or text Daniel today • Veteran-Owned • TREC #21665 • Licensed Master Plumber • Serving Greater San Antonio