StormBreaker Plus® 300VL

Combine Simonton StormBreaker® Plus Casements to create a dramatic wall of windows. Or use them individually to add a touch of drama to a room. The Casement window is impact-resistant, easy to operate and easy to clean.

  • Laminated glass provides proven impact resistance
  • Fusion-welded frame construction with reinforced profiles for added stability
  • Streamlined crank handle and advanced locking system that secures the sash at multiple points one easy-to-use crank handle


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For coastal living, StormBreaker Plus 300VL windows and doors are designed to help withstand high winds and wind-driven debris without the use of shutter systems. They feature an attractive beveled frame design, reinforced profiles for added strength and provide impressive energy efficiency.

KeepSafe Maximum® laminated glass provides safety and security, and reduces unwanted sound

Advanced glass packages are available for maximum energy efficiency

A full line of styles is available, including a Patio Door and Garden Door

Choose from white, tan and exterior bronze and a host of glass and grid options

Tested and certified to meet the AAMA standards for High Velocity Hurricane Zones, Miami-Dade and Broward County specifications for the Florida Building Commission and the Texas Department of Insurance evaluation for the Texas Coast

We know buying windows and patio doors is a big investment. An investment you want protected. That’s why we back all StormBreaker Plus® windows and doors with a Double-Lifetime Limited Warranty covering vinyl, hardware, screens and insulating glass units.

Stormbreaker windows and doors can be ordered to meet ENERGY STAR guidelines for any region of the country. So, now matter where you live, you can get energy-efficient windows and patio doors. All of which helps reduce your heating and cooling costs and meet guidelines set by the EPA and US Department of Energy.

Thanks to AAMA Gold Certification, you can be sure Stormbreaker  Windows and doors meet the highest performance standards for air and water infiltration resistance, structural integrity and forced entry.


Impact-resistant KeepSafe Maximum® glass features a durable interlayer that protects the home from flying debris. During a hurricane, flying debris may break the exterior pane of glass but the laminated glass will stay intact to protect the home.

The sound-dampening interlayer provides a 50% sound reduction over standard glass and reduces unwanted outside noise with a STC Rating of 34.

An effective barrier against forced entry, KeepSafe Maximum glass is extremely difficult to penetrate—deterring would-be intruders.

By significantly reducing the sun’s ultraviolet rays, KeepSafe Maximum glass reduces damage and fading to your carpet, artwork and family photographs.

Fusion-welded construction provides durability and weather-resistance

Multiple points of weatherstripping inhibit wind and rain penetration

Vinyl is one of the least conductive materials available to help maintain consistent temperatures in your home

1” double-strength, annealed insulating glass unit set deep into the sash reduces temperature transfer and condensation.

The U-channel design of the Intercept® spacer system reduces transfer of heat and cold and flexes with temperature fluctuations to maintain an effective seal.

Classic design with a chamfered frame provides a sophisticated appearance

Premium vinyl will retain its beauty for years with virtually no maintenance

Color-matched hardware blends seamlessly with the window

Designed to lift, slide or crank with minimal effort

Available grids between-the-glass provide a smooth easy to clean glass surface

Vinyl construction will never require sanding, painting and scraping

With an attractive streamlined appearance, the durable extruded frame offers a concealed weep system and integrated lift handles

Fiberglass mesh screen is crease resistant and durable
Air Lok™ provides ventilation without fully opening the window


Maximum Efficiency

  • ProSolar® Low E glass with Argon gas reduces temperature transfer to help lower energy costs and keep your home comfortable all year long.
  • ProSolar® Shade is our most advanced spectrally selective Low E glass that helps provide maximum solar heat control, fade protection, visibility and energy savings.
  • Regionally specific ENERGY STAR® glass packages for the Southern, South-Central, North-Central, North climate zones

IGU Options

  • 1” double-strength, tempered insulating glass unit set deep into the sash reduces temperature transfer and condensation.
  • The non-metallic foam Super Spacer® is non-conductive and increases energy efficiency by providing an airtight seal.

Screen Options

  • Aluminum screen mesh offers increased durability and is insect resistant
  • Full screen on select styles

Colorful Options. Unforgettable Style.

The elegance of simplicity.

Choose from a selection of color, grid and style options to accomplish the look you want. Standard vinyl colors are molded throughout the vinyl for long-lasting beauty.

Standard Interior / Exterior Colors

Custom Exterior Colors

Hardware Finishes – Standard

Hardware Finishes – Premium

Grid Styles

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StormBreaker Plus ~ Window Types

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