Bullet-Resistant Products

All systems have been tested and are labeled to the Underwriters Laboratory UL-752 "Standard for Bullet-Resisting Equipment". In addition, many of our products can bear up to 3-hour UL fire-resistance ratings. As a manufacturer of custom designed ballistic door and window systems, Overly has the capabilities to design and build to all of your exacting specifications.

Door and Window Systems

Overly's Bullet-Resistant Door and Window Systems provide a superior level of protection for the most demanding applications. With over 50 years experience designing and manufacturing bullet-resistant products, we have the experience it takes to ensure the safety of your personnel or property from direct arms fire. We offer a full range of pre-engineered models and can custom design for your specific needs.

Metal Doors
Up to Level 8

Wood Doors
Up to Level 8

Service Windows
Up to Level 4

Fixed Windows
Up to Level 8

Package Pass-Throughs

To facilitate the transfer of packages in a secure environment, Overly offers ballistic resistant package pass-throughs. These package pass-throughs are available in UL 752 ballistic levels 1-8. Click here for more information.

Package Passer     


Money Cart Pass-Through

To facilitate the transfer of money carts or large packages in a secure environment, Overly offers ballistic resistant money cart pass-throughs. These are available in UL 752 ballistic levels 1-8. Click here for more information.

Money Cart Pass-Through     


Bullet-Resistant Accessories

Overly manufactures a full line of bullet resistant accessories that complement our product offering. Accessories include bullet resistant fiberglass sheets, gunports, package and cart passers, deal trays and voice apertures. Please check with our factory for available bullet resistant ratings.

Hand Gun Ports Sub Machine Gun Ports Voice Aperture


UL Fire Ratings

Overly fire rated products have been tested and certified by Underwriters Laboratories in accordance with Standard for Safety UL 10C. All products that are eligible to be fire rated and bear the UL Listing Mark are built in accordance with our written UL procedures covering each product type.



We offer a full line of single and pair swinging blast-resistant doors. Vision light configurations range from peep sites to dual glazed window systems. Single and bi-parting sliding door systems are also available with either manual or power controls. Tandem assemblies, as well as double egress options are available as well. 

Frame Configurations

Many of our products use a frame profile similar to standard hollow metal frames. Other options include split style frames, as well as tandem, four-sided, and double egress configurations. We manufacture frames to meet your exact need. Wrapping frames are sized to your wall. Slip in styles are also available. A range of mullion configurations are available. In some instances, we utilize channel iron framing members for pour-in-place wall systems.

Hardware Configurations

We typically provide a standard hardware package with our bullet-resistant products. However, hardware can be supplied from a third party if the information is reviewed by our technical staff. It is best to contact the factory for assistance. Factory mounting of hardware is also available. Consult your local representative for more information.

Custom Hybrid Products

Additional performance options that can be incorporated into this door include: airtight, acoustical, & blast resistant requirements. Depending on the individual design criteria, all features may not be available. Consult the factory with your project specific needs to determine availability. To assist in determining hardware compatibility with Overly Bullet-Resistant Doors, please contact our sales department.


Personnel doors can be manufactured up to 4'-0" x 8'-0" singles; 8'-0" x 8'-0" pairs. However, there is really no limit. We have standardized a number of oversized units or can custom design to your exact specification. Small sizes for hatches and access panels are also available, as well as blow-out panels.


Metal products receive a coat of rust inhibitive primer. Zinc-rich and other select primers are available. Finish painting may also be available. Consult your local representative for more information.