Shop for PVC Interlocking Liner Panels. DURACLAD® multiwall interlocking wall and ceiling panels feature a secure tongue and groove design with hidden fasteners for easy installation, or panels can be fastened directly to wall studs. The durable interlocking panels allow for expansion and contraction for a clean, streamlined look. The smooth, ready-to-print, bright white surface is waterproof, rust-proof, and easy to maintain and sanitize. These ASTM E84 Class A multiwall PVC panels provide excellent chemical resistance from gases, fluids, and chemicals found in most food and beverage processing plants, storage warehouses, laboratories, dairy and poultry farms, and more. Can’t find what you need? Get a quote.