Overhead Door Corporation’s Knock & Lock™ Breakaway Door System is the industry’s only self-resetting, impact-resistant dock door available. The rugged Knock & Lock™ is designed for higher productivity, energy efficiency and costs 35% less than a complete breakaway door, making it the ideal choice for any dock environment. In addition, the Knock & Lock™ Breakaway Door System offers a rugged, puncture-proof interior skin with a steel exterior for years of trouble-free service. Every panel is polystyrene insulated to 2 inches, providing an R-value of 8.56, and has dual slide locks on the bottom section for security. Every Knock & Lock™ Breakaway Door System is backed by an industry leading 10-year warranty*. Whether the application requires a breakaway door system or simply breakaway sections for retrofit applications, the Knock & Lock™ Breakaway Door System is the perfect solution for facility managers and architects alike.
Automatic Reset
Single/Dual Panel Breakout (Breaks In and Out)
Available HEIGHTS: 21" and 24"
Available WIDTHS: 8' 2", 9' 2", 10' 2", 12' 2", and 16' 2"*
R-Value of 8.56 (599=17.5)
Dual Slide Locks for Additional Security
10-year Retractive Cord Warranty
10-year Puncture Warranty
2” Rollers for Smooth Operations
3” Roller Option for Industrial Areas
Ideal for New Construction or Retrofit
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