Interior Window Security Bars

Adjustable Window Security Bars - Portland Oregon - Evergreen Machine Works

Adjustable Interior Window Security Bars

Portland OR

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.

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. Installation only takes about 5 minutes per window.

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″

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