GSR Observatory

The GSR Observatory in Dripping Springs, Texas is a first-of-its-kind private space observatory constructed entirely with Insulated Concrete Forms (ICFs) from Nudura®. The structure required vibration isolation for the 48-inch telescope pier, thermal stability to protect sensitive equipment and strong circular perimeter walls to withstand the weight of the multi-ton domed roof.
 
Austin Touchstone Builders selected Nudura ICFs for their ability to be custom-manufactured into radius forms, ensuring curved walls with a flawless fit for the rotating copper dome. The 12-inch concrete core insulated walls provided superior thermal mass and continuous insulation, which enabled interior temperature and humidity control, as well as impressive sound attenuation. Since virtually any exterior cladding can be attached to ICF walls, the observatory could achieve the desired stone tower aesthetic too.  

The GSR Observatory proves that ICF construction extends far beyond standard residential or commercial builds by offering the precision, resilience and sustainability needed for specialized scientific facilities. The project even earned the 1st Place & People’s Choice Award in the 2026 ICF Builder Awards' Specialty Applications category.