What Is Drywall Made Of? Understanding the Materials Behind Your Walls
Quick Answer: Drywall is made primarily from gypsum (calcium sulfate dihydrate), which comprises 70-90% of standard panels, sandwiched between heavy paper or fiberglass facing sheets. Additional additives like starch, mica, vermiculite, and boric acid enhance fire resistance, strength, and mold protection, making drywall the preferred interior wall material for Las Vegas homes.



