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All-glass interior security door

All-Glass Elegance. Forced-Entry and Ballistic Protection.

Defendoor™ delivers the open and refined appearance of an architectural glass door while providing tested protection against forced entry and ballistic attack. It is designed for interior commercial, governmental, institutional and select luxury-residential applications where security cannot compromise the design of the space.
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Primary markets

Protection designed into the interior.

Defendoor™ supports spaces that need transparency, daily usability and tested protection without introducing the visual weight of a conventional security door.

01

Luxury Residential

02

Corporate and Commercial

03

Governmental

04

Banking and Financial

05

Retail

06

Hospitality

07

Educational Institutions

08

Houses of Worship

Application note: The Defendoor™ configuration represented in the supplied manufacturer brochure is designed for interior use. Confirm project-specific application and suitability with Obsidian Armory before specification.
Product specifications

Architectural scale. Integrated protection.

Dimensions and features below reflect the supplied Defendoor™ manufacturer brochure. Final openings and integrations require project-specific confirmation.

Single-door widths
36 inches or 42 inches
Double-door widths
72 inches or 84 inches
Height
Door leaf up to 108 inches; maximum opening approximately 111 inches
Glazing
GCP approximately 1 1/8 inches thick; low-iron float glass option available
Finishes
#3 brushed stainless steel; Cerakote available at additional cost
Locking
Concealed redundant locking system with fail-safe and fail-secure modes
Access control
Compatible with leading access-control and power-supply systems through low-voltage integration; electronic lock controls not included
Threshold
4 1/2-inch-wide by 3/8-inch-thick ADA-compliant threshold in flush-mount or surface-mount configurations
Warranty
Five years for glazing and hardware
Add-ons
Ballistic storefront framing, sidelites and transoms
Application
Designed for interior use in the supplied manufacturer brochure
Tested protection

Performance language that stays precise.

Testing and certification statements are reproduced from the supplied manufacturer brochure. Product suitability depends on the complete specified assembly and installation.

01
Modified (Low Spall) UL 752 Level 3 Ballistic Penetration Standard
02
EN 1063 BR4-S Ballistic Schedule
03
ASTM F3561 Level 7 Standard Test Method for Forced-Entry-Resistance of Fenestration Systems After Simulated Active Shooter Attack
04
Tested and certified as an outswing 90–110° door
The emphasis remains practical: observable weaknesses, realistic threat paths and an ordered plan for improvement.
How it works

From concern to clear priorities.

A disciplined five-step process turns site observations and threat research into actionable security decisions.

01

Initial Consultation

We learn about the property, the client’s concerns and any known threats.

02

On-Site Evaluation

The team reviews the property, access points, perimeter, security systems, routines and procedures.

03

Threat and Vulnerability Analysis

Findings are evaluated against realistic threats, likely methods of approach and existing response capabilities.

04

Detailed Written Report

The client receives documented findings with prioritized recommendations.

05

Implementation Support

Obsidian Armory and Legion help determine the best way to address the identified vulnerabilities.

Pathways

We support high risk clients with hardened entry systems that address forced entry first and optional ballistic protection for elevated threat profiles.
Partner Intake
We provide specification sheets and finish options plus CAD coordination so hardened openings integrate cleanly into the architecture.
Request Spec Package
We ship installer ready packages with documentation and technical support to reduce jobsite friction and integration risk.
Request Integration Review

Start a project intake

  • Send plans or opening schedules and we will respond with configuration options lead times and documentation requirements.
Start Intake

Frequently Asked Questions

Yes. We provide specification sheets and supporting documentation for key product series and we can support submittal workflows.
Yes. CAD support is available for coordination and integration.
Installation is completed by the project GC and installer. We provide documentation and technical support.
Yes. We support projects nationwide with manufacturing and shipping then coordination with local installers.

Still have inquiries?

If you have more questions or need further information, feel free to reach out to us any time.

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