Seasonal Special 2/4: Summer Heat Insulation — Can PVC Ceilings Effectively Block Attic Heat?
On a sweltering July afternoon, top-floor homeowner Mr. Zhang runs his air conditioner at full blast but the indoor thermometer stays stubbornly at 30°C, with his bare concrete ceiling acting like a giant heater radiating nonstop heat. Meanwhile, adjacent top-floor resident Mrs. Li keeps her AC set to just 27°C and feels comfortably cool, all thanks to a PVC ceiling that creates a critical buffer zone between the concrete roof and living space to block direct heat intrusion and boost AC efficiency.