Aluminum End Cap - 4-wall polycarbonate sheet - 4' length

Durable 4' aluminum end cap engineered specifically for 4-wall polycarbonate sheets. Provides a clean, professional seal at sheet edges while protecting against moisture, dust, and UV exposure. Lightweight aluminum construction resists corrosion and maintains structural integrity in outdoor and indoor applications. Quick installation with minimal fastening required. Essential for greenhouse panels, skylights, protective barriers, and architectural glazing projects.