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SKU:DSB-123SD
The DSB-123SD enables architects and institutions to bring maximum security to areas where access is required for repair or maintenance purposes.
| Door Size H × W (in.) |
Door Size H × W (mm) |
Wall/Ceiling Opening H × W (in.) |
Shipping Wt. (lbs.) |
Shipping Wt. (kg.) |
|---|---|---|---|---|
| 12 × 12 | 305 × 305 | 12 1/2 × 12 1/2 | 35 | 15.9 |
| 16 × 16 | 406 × 406 | 16 1/2 × 16 1/2 | 44 | 20 |
| 18 × 18 | 457 × 457 | 18 1/2 × 18 1/2 | 49 | 22.3 |
| 24 × 24 | 610 × 610 | 24 1/2 × 24 1/2 | 65 | 29.5 |
| 36 × 24 | 914 × 610 | 36 1/2 × 24 1/2 | 80 | 36.4 |
| 36 × 36 | 914 × 914 | 36 1/2 × 36 1/2 | 115 | 52.3 |
Karp's DSB-123SD High Security Access Door is designed for facilities that require reinforced protection around maintenance and service openings. Built with a heavy-duty steel door, reinforced welded frame and detention-style locking hardware, it provides secure access to concealed building systems while helping restrict unauthorized entry.
The DSB-123SD is intended for architects, contractors and institutions specifying access doors for areas where standard access panels do not provide the required level of security.
The DSB-123SD uses reinforced steel components designed for demanding security applications.
Key construction features include:
10-gauge steel door
2 × 2 × 3/16-inch angle frame with welded joints ground smooth
Heavy-duty hinges welded to the door and frame
Heavy-duty detention-type lock
Additional flush spanner-head cam latches
Masonry anchor straps and mounting holes
Rust-inhibitive electrostatic powder primer with baked enamel finish
The DSB-123SD features a heavy-duty detention-type lock to help secure the access opening. Additional spanner-head cam latches are welded flush to the door surface, providing supplementary locking points.
This combination is designed for applications where stronger access control is required than a conventional access door can provide. Confirm the required lock configuration and keying with Karp when preparing project specifications.
The DSB-123SD is designed for institutional and commercial projects where access openings require reinforced construction and secure locking.
Potential project applications include:
Correctional and detention facilities
Institutional buildings
Secure mechanical and utility areas
Restricted maintenance spaces
Commercial facilities with controlled service access
Select the door based on the project's security requirements, installation conditions and specified hardware.
The DSB-123SD is available in six standard sizes. The required wall or ceiling opening is 1/2 inch larger than the nominal door size in both dimensions.
| Door Size (H × W) | Wall/Ceiling Opening (H × W) | Shipping Weight |
|---|---|---|
| 12 × 12 in. | 12 1/2 × 12 1/2 in. | 35 lbs. |
| 16 × 16 in. | 16 1/2 × 16 1/2 in. | 44 lbs. |
| 18 × 18 in. | 18 1/2 × 18 1/2 in. | 49 lbs. |
| 24 × 24 in. | 24 1/2 × 24 1/2 in. | 65 lbs. |
| 36 × 24 in. | 36 1/2 × 24 1/2 in. | 80 lbs. |
| 36 × 36 in. | 36 1/2 × 36 1/2 in. | 115 lbs. |
Special sizes and modifications should be confirmed with Karp.
Refer to the product specification sheet for detailed construction, frame and installation requirements.
Karp offers both high-security and medium-security access doors. The right model depends on the level of protection and locking hardware required for the project.
| Feature | DSB-123SD High Security | DSB-123SD-MS Medium Security |
|---|---|---|
| Door construction | 10-gauge steel | 12-gauge steel |
| Frame | 2 × 2 × 3/16-inch welded angle | 2 × 2 × 3/16-inch welded angle |
| Locking hardware | Heavy-duty detention-type lock with additional spanner-head cam latches | Flush spanner-head tamper-resistant lock |
| Intended use | Maximum-security applications | Medium-security applications |
For projects requiring a less intensive security configuration, see Karp's Medium Security Access Door (DSB-123SD-MS).
When a project requires a reinforced access opening with heavy-duty locking hardware, the DSB-123SD provides a purpose-built solution. Contact Karp to confirm the required size, lock configuration and project-specific installation details.
Based on 4 customer reviews
David Lawson
We needed a high-security access door for a restricted area, and the Karp model was worth considering. I like having an access solution designed with security in mind while keeping the installation looking professional.
Jacob Wilson
I've dealt with different access doors, but finding one suited to a security-sensitive space isn't always easy. The Karp High Security Access Door was a good match for our needs.
Nicholas Foster
We were looking for an access door that made sense for a controlled-access area. This Karp model fit what we had in mind, and I appreciate its purpose-built design.
Richard Coleman
I wanted an access door that suited the security needs of our building without looking out of place. The Karp High Security Access Door was a practical option for the application.
These are genuine customer reviews and reflect the individual experiences of our customers.
