INTERIOR JAMBS
SuperJambs™
CTI's patented SuperJambs™ combine innovative, seamless design with robust materials to ensure lasting durability and easy installation. Engineered for superior performance, they streamline door hanging while standing up to daily use, delivering a clean, reliable jamb for demanding residential and commercial applications. The patented design sets SuperJambs™ apart from standard jambs, offering pre-hangers a durable, efficient solution that simplifies installation without compromising quality or finish.
3 Substrate Options
8 Machining Options
10 Year Warranty
Sizes
Flat Jambs:
Widths: 4-9/16" to 9-1/4"
Lengths: 6' 8" to 8'
Stop:
Widths: 1 1/8" to 1 3/8"
Lengths: 6' 8" to 8'
Length, width, and thickness options vary by substrate.
Colors
Substrate Options
Pine
Pine is known for its versatility and workability. It offers excellent strength and stability, making it ideal for a wide range of construction and millwork applications.

LVL
LVL (Laminated Veneer Lumber) is an engineered wood product that offers superior strength and stability. It is composed of multiple layers of thin wood veneers, glued together to form a single, solid piece.

MDF
MDF (Medium-Density Fiberboard) is an engineered wood panel made from fine wood fibers bonded under heat and pressure, offering a smooth, uniform surface with no knots or grain. Its consistency and machinability make it an excellent choice for paintable millwork and profile applications requiring a flawless finish.

Machining and Customization
CTI components are machined in-house to precise, repeatable tolerances and arrive prepped and ready to install.
Available operations include:
Head Dado
A precise dado cut at the head for a tight, accurate frame joint
Head and Sill Dado
Precise dado cuts for a tight frame joint.
Pre-Drill Head and Sill Dado
Pre-drilled locations for faster, consistent assembly.
Custom Length
Cut to your exact length, no field cutting.
Hinge Machined
Hinge locations routed and prepped to spec.
Strike Machined
Strike prep positioned for accurate latch alignment.
Mitering
Angled end cuts for seamless corner joints.
Pre-cut head
Head jamb cut to length ahead of assembly for a faster, precise fit
PET (Stop)
Precision end trim on the door stop for clean, square stop ends
Frequently Asked Questions
What makes SuperJambs™ different from standard jambs?
CTI's patented SuperJambs™ combine innovative, seamless design with robust materials for superior performance, lasting durability, and easy installation.
Are SuperJambs™ easy to install?
Yes. They are engineered to streamline door hanging while standing up to daily use.
What applications are SuperJambs™ suited to?
They provide a clean, reliable jamb for demanding residential and commercial applications.
Is this product covered by a warranty?
Yes. Every CTI product carries a 10-Year Manufactured Defect Warranty, ensuring it is free from material and workmanship defects under normal use.
Related Products

Stop-Applied Door Jambs
Stop-applied jambs are built for convenience with the door stop pre-applied to the jamb.

Split Door Jambs
Split jambs feature two interlocking sides that make door hanging quick and efficient. They offer a clean, professional finish that works well for standard interior doors.
Technical Details and Resources

Each CTI product comes with a 10 Year Manufactured Defect Warranty, ensuring they are free from material and workmanship defects under normal use for the product's lifetime. This commitment to quality offers you peace of mind and guarantees that you are investing in products built to last. You can view our product-specific warranties below.









