The Polycarbonate U-Lock System

The Polycarbonate U-Lock System is a cutting-edge solution designed for superior structural strength, clean aesthetics, and complete weather resistance. It utilizes 10 mm (5/16 in) bronze 4-wall polycarbonate sheets combined with a unique interlocking mechanism that delivers a seamless, leak-proof finish — ideal for patios, pergolas, sunrooms, and other high-performance outdoor structures.

Key Features

• 🌞 Light Transmission: 30%
  Allows natural daylight while reducing brightness — perfect for shaded comfort.
• ☀️ Most Popular Color in California
  Bronze is the top choice among homeowners in Los Angeles, San Diego, Sacramento, and the Bay Area, offering an elegant look and excellent heat reduction.
• 🌡️ Reduces Glare & Heat
  The bronze tint filters sunlight to lower interior temperatures and reduce glare — without making your space too dark.
• 💧 100% Waterproof
  No need to drill through the panels. The U-Lock system prevents leaks and ensures long-term performance, even during heavy rains.
• 💨 High Wind Resistance
  Built to withstand strong wind loads, making it ideal for exposed or coastal locations.
• 🧼 Clean, Polished Appearance
  Offers a sleek, finished look that stands above basic polycarbonate systems.
• ➖ Flat or Low-Slope Ready
  Can be installed on flat or low-pitch pergolas, where water drainage and sealing are critical.

Included in the Price

• U-Lock polycarbonate panels (10 mm bronze, 4-wall)
• All required accessories:
  • Connectors
  • Anchors
  • Screws
  • Tapes
  • U-caps
  • End caps
  • ...and more — everything needed for a complete installation

Installation Requirements

Horizontal purlins (rafters) must be spaced every 2 feet (≈610 mm) to provide proper support and ensure long-term panel performance.

✅ 10-Year Warranty

Backed by a manufacturer’s warranty for peace of mind and proven durability.