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Custom Pre-Hung Door Components | Apex Door System by CTI™

  • Writer: CTI
    CTI
  • Mar 25
  • 3 min read

Efficiency, precision, and adaptability are essential when assembling or distributing pre-hung doors. The Apex Door System by CTI™ provides fully machined, pre-configured components that simplify the pre-hanging process, reduce labor time, and ensure seamless integration with each door configuration.


With custom sizes, machined frames, mulls and brickmold, sill notching, and adaptable sill cap components, Apex delivers tailored solutions that make door assembly easier for you.


Regardless of the size of your door shop, our Apex Door System offers everything you need to hang and sell exterior doors easily and efficiently. 


Custom pre-hun door components and sill threshold


Custom Pre-Hung Door Components Save Time and Labor


1. Pre-Configured Components for Faster Assembly

A well-prepared door system with customized door components improves efficiency by eliminating unnecessary steps in your door shop. Apex provides fully machined, pre-cut, and pre-drilled parts that arrive ready for quick assembly, reducing labor and minimizing errors.


Key customization options include:

  • Head/Sill Dado, Cut to Length, Ripped to width and mitering – Ensures clean, precise fits to simplify assembly.

  • Hinge & Strike Mortise – Available for single, double, or triple strike placements, matching your desired specifications 

  • Pre-Drilled Frames, Mull Posts – Reduces prep work and accelerates production.

  • Sill Notching, Cutting, Drilling, and Dimpling – Helps create an easy-to-install system. 


With these pre-configured machining variations, doors move through pre-hanging production faster, with less manual adjustment needed within your door shop or in the field.


2. Adaptability for Every Doorway Configuration

The ability to quickly adjust to different doorway configurations makes a door system more valuable. Apex offers flexibility through custom sizing, machining, and modularity, ensuring that every door system meets exact specifications while remaining adaptable for various applications.


Key features include:

  • Fully customized continuous head and sill options to meet your needs and reduce waste within your shop

  • Flex Series sills allow you to interchange your caps for in-swing or out-swing configurations; an ideal feature for meeting changing customer demands without requiring new component orders or overrun inventory

  • Inactive Panel Seats – Can be used to create a uniform patio pre-hung configuration; Panel Seats can be cut to any length to fit all configurations, such as a single door with one sidelite, double door center hinge, single door with two sidelites, or triple door 

  • Mull Post Haunching – Creates a seamless, integrated fit within your center hinges configurations, creating the perfect seal between your mull and sill 

  • Notched or Horned Sill – Options to fit every configuration need

  • Custom widths and heights – Regardless of the door brand you hang in your shop, our door system components can be customized to fit your every need


3. Built-in Weatherproofing for Better Performance

Doors must not only fit correctly but also perform well over time. Integrated weatherproofing solutions in the Apex system provide enhanced protection against air and moisture infiltration, reducing potential callbacks.


  • Weatherstripping – Available separately or pre-stuffed for quick installation with short and long reach options and a wide array of colors to match.

  • Sill Gaskets & Seal Pads – Essential for sealing gaps and preventing water infiltration

  • Door Sweeps – Helps close the space between the door and sill, improving insulation and durability.


Apex ensures that weatherproofing is accounted for at the component level, simplifying the process and adding long-term value to the final door system.


4. Simplified Sourcing for Consistency and Efficiency

Managing multiple suppliers for different door components increases complexity. Apex makes sourcing easier by providing a comprehensive solution for all door system components—ensuring consistency, quality, and simplified logistics.


Advantages include:

  • One streamlined supplier – Reduces the need to coordinate with multiple vendors.

  • Consistent quality – Precision-engineered and customized components designed to work together seamlessly.

  • Easier ordering – Minimizes delays caused by sourcing parts from different locations.


With everything available from a single source, order management becomes more efficient, allowing for better inventory control and reduced downtime.


Why Choose the Apex Door System by CTI™?

Apex provides pre-hangers and pro-dealers with a complete, adaptable, and high-performance door system designed to improve workflow and simplify operations.


  • Custom pre-hung door components save labor time and ensure accuracy

  • Modular designs accommodate the wide range of door configurations

  • Built-in weatherproofing enhances durability and performance

  • Sourcing all components from one supplier ensures consistency


Upgrade Your Door System with Apex Door System by CTI™


Apex makes it easier to assemble, distribute, and deliver high-quality pre-hung doors. Explore Apex Door System by CTI™ and CTI’s full range of door components to see how these solutions can enhance efficiency and improve operations.



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