Mildew Proof PVC Ceiling Panel Bathroom Ceiling for Family Wet Room Refit Work A bathroom runs hot water every morning, and the ceiling above the shower is where damp air settles first and black spots appear soon after. Product Specifications Product Name PVC Ceiling Panel Effective Width 1050mm Length Customized Product Thickness 1.0mm-3.0mm Product Width 1120mm Product Overview Product Type: PVC ceiling panel for a bathroom Material: rigid PVC board with sealed hollow core