Precision-Built Interlocking Astragal Systems
Custom-fabricated interlocking astragals that improve security, weather protection, and long-term durability for commercial and industrial doors.
Stops break-ins at the source

Creates a tight, tamper-proof seal

Reinforces the door’s weakest point

Built for heavy-duty protection


Let’s Build the Right Fit for Your Doors
Whether you need a replacement astragal or a custom solution for a new build, Fin Block delivers precision, durability, and dependable solutions.
Have a project in mind? Fill out the inquiry form and let’s talk through your needs.









