Interior Window Security Bars

Portland OR

At Evergreen Machine Works, Inc. we produce a line of Pre-fabricated Expandable Window Security Bars along with custom fabricated solutions to your individual security needs. We have helped secure countless Marijuana Dispensaries and Grow Facilities in the Greater Portland / Vancouver Metropolitan area.

Evergreen Machine Works steel security bars.

We have secured Jewelry stores and other storefronts that display high end merchandise within the “Protest Zone” in downtown Portland Oregon. These products installed in your storefront will likely cause the criminals and looters to find an easier target.

Adjustable Interior Window Security Bars

Security steel bars on windows

Our adjustable window security bars are the best protection option available on the market. They feature a strong fully welded design. We offer both fixed grid and adjustable horizontal or vertical bars with a one to six bar configuration. Optional interior hinge locking system available. Install them horizontally or vertically from inside of the window and prevent exterior siding damage, leaks and rot.

Constructed with flat bar and two different sizes of round tube for adjustable motion.

Adjustable Window Security Bars - Portland Oregon - Evergreen Machine Works

Made to fit all window sizes – adjustable width from 30-3/4″ to 54″. Custom sizes are available to accommodate smaller or larger needs.

Our product is easily installed – No going outside to climb a ladder.

Weather Resistant ☆ Durable Steel Construction ☆ Powder Coat Finish

Color and Finishes

Security screens are powder coated or Galvanized. Custom colors and finishes are available.

Standard Dimensions

  • 6-Bar: 41-3/4″ x 30-3/4″ to 54″
  • 5-Bar: 32″ x 30-3/4 to 54″
  • 4-Bar: 22-1/4″ x 30-3/4 to 54″
  • 3-Bar: 15 1/4″ x 30-3/4 to 54″
  • 2-Bar: 8 1/4″ x 30-3/4 to 54″
  • 1-Bar: 6″ x 30-3/4 to 54″

(Click Images to Enlarge)

Steel bars for door security
Door bars on glass security door