Description
The Sentry II Series (IRC) delivers outstanding strength, tamper resistance, and clean architectural styling through its reinforced welded door frame and internal cam cleat halyard system. Designed for commercial, municipal, government, and corporate properties, the IRC provides superior durability and security while maintaining the refined aesthetics of a flush mount door assembly.
Constructed from high-strength 6063-T6 aluminum, the IRC’s welded door frame enhances wind-load capacity and structural rigidity, making it an excellent choice for mid-to-high wind regions while retaining an elegant, low-maintenance design.
⭐ Key Features
Reinforced welded door frame for exceptional shaft strength
Flush-mounted locking access door for clean architectural appearance
Internal cam cleat system for secure, quiet halyard operation
Cast aluminum revolving truck with sealed stainless steel bearings
Patented gold anodized finial
Stainless steel swivel snaps with neoprene covers
5/16″ #10 internal polyester halyard
Spun aluminum FC-11 flash collar
Galvanized corrugated steel ground sleeve with lighting spike
Ideal for commercial buildings, municipalities, government facilities, universities, and public properties
⭐ Reinforced Welded Door Frame (Sentry II Design)
The defining feature of the Sentry II Series is its inset reinforced aluminum door frame welded directly into the precision-cut door opening.
This engineered design provides:
Higher wind-speed capability due to increased structural rigidity
Maximized strength-to-size ratio of each butt diameter and wall thickness combination
Smooth flush-fitting door for a premium architectural finish
Superior impact resistance and tamper protection
Clean exterior profile without protrusions
This welding-based reinforcement system makes the IRC ideal for installations requiring elevated structural performance with refined aesthetics.
⭐ Technical Highlights
Heights: 20′ to 40′
Butt diameters: 6″ to 8″
Halyard: 5/16″ #10 polyester (internal)
Revolving truck: Cast aluminum, sealed bearings, removable hood
Access door: Flush-mounted, reinforced welded frame, locking with keys
Supports higher wind loads than traditional cam cleat internal systems
⭐ Finish Options
Available in Concord American’s premium architectural finish lineup:
Satin
Anodized Clear
Anodized Dark Bronze
Anodized Black
BronzeTone Powder Coat
Black Powder Coat
White Powder Coat
Clear Powder Coat
⭐ Why Choose the Sentry II Series
Stronger than traditional internal halyard cam cleat designs
Clean, modern visual profile with flush door styling
Enhanced wind-speed performance from reinforced welded frame
Excellent security and tamper resistance
Perfect for corporate campuses, government installations, city buildings, and commercial properties
Proudly engineered and manufactured in the USA















