Segmentation by type classifies shielding solutions according to material composition and deployment architecture, each contributing distinct value streams. Lead‑based shielding—including traditional lead aprons, glasses, and fixed lead barriers—remains the largest share, driven by its proven attenuation performance and legacy infrastructure, though its market share is gradually eroding due to weight and toxicity concerns. Non‑lead composites—such as tungsten‑loaded polymers, barium‑sulfate laminates, and hybrid nanomaterials—capture a growing niche, offering lighter weight and recyclable options that appeal to modern imaging facilities seeking ergonomic and environmental benefits. Mobile shielding units (e.g., portable walls, ceiling-mounted drapes) and fixed architectural shielding (permanent walls, doors, and ceiling tiles) together constitute the remaining portion, with mobile units favored in multi‑procedure suites for flexibility, while fixed installations dominate new‑build hospitals where structural integration is planned. This taxonomy enables precise allocation of R&D spend, pricing strategy, and forecast modeling across material‑specific demand drivers.