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Shop our complete selection of US Aluminum 450 Series 1-3/4" x 4-1/2" open back storefront door frames, engineered for superior performance in commercial aluminum entrance systems. These heavy-duty frames are factory prepped for offset pivot hinges and are specifically designed to work with multiple US Aluminum storefront door series, making them one of the most versatile framing solutions in the industry.
US Aluminum 450 Series frames are fully compatible with all major US Aluminum offset pivot door systems, including:
This broad compatibility ensures seamless integration with the most common commercial door configurations used in retail storefronts, office buildings, restaurants, and multi-tenant commercial environments.
All 450 Series frames are available in both Left Hand and Right Hand configurations to match your existing door swing direction and hardware preparation. Each frame is clearly labeled to simplify selection and reduce installation errors.
Choose from the industry’s most popular architectural aluminum finishes:
All US Aluminum 450 Series frames follow standardized commercial storefront dimensions:
Each frame includes a heavy-duty 4" wide x 1/2" tall aluminum threshold, providing a durable, ADA-friendly transition at the entrance.
US Aluminum 450 Series frames ship in a knock down configuration for reduced freight cost and easier jobsite handling. Minor assembly is required, making these frames ideal for glaziers, contractors, and installers working under tight schedules.
This category includes frame-only products. US Aluminum storefront doors from the 250, 400, and 550 Series can be purchased separately. If you need a complete door-and-frame package, our team can provide a customized quote.
US Aluminum 450 Series 1-3/4" x 4-1/2" open back storefront door frames deliver unmatched compatibility, durability, and architectural performance—making them the preferred choice for commercial entrance framing.
Email [email protected] or call 877-412-3667 with the product you are interested in, the quantity, and any other requirements you may have. One of our specialists will email you back a free quotation shortly. Did you know we offer free design help? If you are unsure of the product you need, but know the scope of what function or application you need, our design team can help! Contact us with your inquiry today.
