EzyJamb is the premier flush, trim-free door jamb system that allows a door to blend seamlessly straight into a square-set wall. By eliminating the need for architraves and visible frame edges, it leaves nothing behind but a clean, minimalist line around the opening.
However, "EzyJamb" is not just a single product; it is a coordinated family of four distinct profiles. Selecting the correct one for your project depends heavily on how the door needs to swing, the layout on either side of the wall, and the structural performance requirements of the space.
The Shared Engineering Foundation
Before diving into individual geometries, it helps to understand what stays consistent across the entire product line. Every profile in the EzyJamb family is cold formed from high-grade US steel and features signature perforated side fins. This unique design allows your drywall crew to mud the frame straight into the wall, achieving that definitive, flush finish.
Additionally, every single frame arrives pre-coated and ready to paint, has successfully passed a rigorous 10,000-cycle door slam test, and offers native compatibility with premium RocYork hinges, including their completely concealed range. These profiles differ in their physical geometry, field adjustability, and overall load capacity.
Here is how they stack up.
1. EZC: The Forgiving Choice for Imperfect Openings
The EzyJamb EZC is a classic, two-piece split jamb engineered with a rebate on one side of the door and a completely flush finish on the other.
The defining benefit of the EZC profile is its field adjustability. It can be adjusted on-site by roughly 3/8", making it incredibly forgiving when the rough framing is not perfectly square or plumb. Formed from durable 20-gauge galvanneal steel, the EZC is rated to support a single door width up to 3/0 (3'0") and a maximum height of 8/0 (8'0"). It also offers up to 90-minute fire ratings.
Notably, this is the only profile in the entire line-up that natively supports non-mortise hinges alongside standard mortise and concealed options.
- Best for: Remodels, fast-paced jobsites, or any project where having a 3/8-inch on-site adjustment margin is valuable, and where a classic rebate detail on one side of the opening fits the design intent.
2. SRC: The Heavy-Duty Standard for Taller Openings
The EzyJamb SRC features a rugged, one-piece construction that delivers a flush appearance on one side of the wall and a clean, single-rabbet detail on the opposite side.
Stepping up from the EZC's 20-gauge steel, the SRC is manufactured from a beefier 18-gauge galvanneal steel. This increased structural rigidity allows it to confidently carry much larger openings, supporting up to a 3/6 (3'6") single door width and an impressive 10/0 (10'0") maximum height. Like the EZC, it carries a certified fire rating of up to 90 minutes. Hardware-wise, the SRC expands your design options by supporting pivot hinges in addition to concealed and traditional mortise hinges.
- Best for: High-end residential or commercial spaces with taller openings than the EZC can accommodate, or projects that explicitly require a single-rabbet detail rather than a two-piece adjustable system.
3. ISD: The Secret to Seamless Hallways
The EzyJamb ISD is an innovative, purpose-built solution designed specifically for doors that must swing inward, away from the primary viewing space. It allows the flush face of the door to sit perfectly in line with the exterior wall, placing the single rebate on the interior pull side.
Built with the same heavy-duty 18-gauge steel as the SRC, it matches its capacity to handle large 3/6 (3'6") widths and 10/0 (10'0") heights. The ISD also fully supports pivot hinges and premium concealed hardware.
- Best for: Clean, high-traffic hallways and public corridors where you want all doors to push away from the hall, keeping the main corridor walls completely continuous, flush, and free of protruding door edges.
4. DRC: The Dual-Panel Space Saver
The EzyJamb DRC stands out as the only profile in the family engineered to hang two separate, independent door panels on a single, shared jamb. This unique geometry delivers a flawless, flush finish on both sides of the wall line.
Constructed from robust 18-gauge galvanneal steel, it matches the SRC and ISD on height limits (up to 10/0) and width capacity (up to a 3/6 single panel or a combined 6/0 double panel configuration). The DRC profile provides a certified fire rating of up to 90 minutes. It accommodates concealed, mortise, and pivot hinges, though it does not support non-mortise options.
- Best for: Specialized commercial or hospitality layouts that require two independent doors to share a single frame such as adjoining guest rooms or separate offices branching off from a shared corridor.
Technical Comparison Matrix
To quickly copy this reference guide into your project schedules, use the table below:
| Feature | EZC – Classic Adjust | SRC – Single Rabbet | ISD – Inswing | DRC – Double Rabbet |
|---|---|---|---|---|
| Jamb Type | Two-piece (adjustable ±3/8") | One-piece | One-piece | One-piece |
| Rebate Profile | One side rebated, one flush | One side rebated, one flush | Flush to wall, rebate on pull side | Flush on both sides |
| Dual-Door Capability | No | No | No | Yes |
| Material Thickness | 20ga galvanneal steel | 18ga galvanneal steel | 18ga galvanneal steel | 18ga galvanneal steel |
| Max Width (Single) | 3'0" (3/0) | 3'6" (3/6) | 3'6" (3/6) | 3'6" (3/6) |
| Max Width (Double) | 6'0" (6/0) | 6'0" (6/0) | 6'0" (6/0) | 6'0" (6/0) |
| Max Height | 8'0" (8/0) | 10'0" (10/0) | 10'0" (10/0) | 10'0" (10/0) |
| Fire Rating | Up to 90 minutes | Up to 90 minutes | Pending | Up to 90 minutes |
| Concealed Hinges | Compatible | Compatible | Compatible | Compatible |
| Mortise Hinges | Compatible | Compatible | Compatible | Compatible |
| Non-Mortise Hinges | Compatible | Not Available | Not Available | Not Available |
| Pivot Hinges | Not Available | Compatible | Compatible | Compatible |
| QuickShip Option | Yes | Yes | Yes | No |
The Takeaway
Choosing the right profile comes down to isolating your primary jobsite constraint:
- If you need flexible on-site adjustment tolerance and are working with standard door heights, EZC is the most practical path.
- If you are specifying standard-height or extra-tall doors with a clean single rebate, SRC effortlessly handles general building applications.
- If your design requires a door to swing inward while maintaining a completely flush wall face externally, ISD is engineered precisely for that purpose.
- If you need two distinct doors to share a single frame layout, DRC is the only profile built for the job.
Because the entire EZ Concept family integrates perfectly with the RocYork hinge line-up, you can safely lock in your framing decisions first, knowing your hardware choices will easily follow.
