Petrus Interior Systems specializes in creating and upgrading commercial interiors for office, medical, retail and restaurant use in San Antonio and the surrounding area. We’ll handle your project from start to finish, from steel framing, drywall, suspended ceilings, doors and hardware and window systems such as Raco, Frameworks and Altura.


We provide planning and design services for new or existing commercial shell space, with a focus on aesthetics and sound control.

Acoustic & Soundproofing

We specialize in solving acoustical & sound attenuation issues in the workplace. A recent example of this is the AMD Phyzdata project. Click on the link to the left under Latest News to see what can be done to be effective as well as beautiful. Another type of sound control was implemented at St. Mary’s Learning Center. This design features wood framed walls with fiberglass sound batts with painted Tectum panels as the finished wall.