Office stairwells and corridors are the highest-traffic public zones in any commercial building, and they also play a critical role in fire safety evacuation, so the partition materials you use in these areas need to meet extremely strict performance requirements. EPS Cement Sandwich Panel is perfectly suited for office stairwell and corridor renovation, as its Class A fire rating delivers up to 4 hours of fire resistance, creating a fully compliant fire escape route that meets all local commercial building safety codes. The tough, impact-resistant cement outer layer of these panels can withstand constant daily bumps from office carts, delivery boxes, and heavy foot traffic, without getting dented, chipped, or damaged even after decades of heavy use. Unlike traditional plastered walls that get scuffed and marked very easily in high-traffic zones, the smooth non-porous surface of EPS Cement Sandwich Panel can be wiped clean in seconds, removing dirt, scuff marks, and accidental stains with almost no effort. The slim 90mm thickness of these panels also saves valuable floor space in narrow corridors, letting you maintain the full 1.2 meter minimum clear width required for safe emergency evacuation, without making your walkways feel cramped and narrow. Many office facility managers who upgraded their building corridors and stairwells with these panels reported that the walls stayed in perfect, like-new condition for more than 15 years, with almost no maintenance or repainting work required.