WeatherMaster Horizontal Windows

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The WeatherMaster Horizontal 2-Track System easily slides left or right to let you control your sunroom environment. Bring in the fresh air with up to 50% or 75% ventilation, or slide your windows closed to block harmful UV rays, noise, rain, and pollen. These large, attractive windows help create a sunny room where you can relax or entertain friends and family.

WeatherMaster 2-Track and 4-Track Window Systems were created specifically for porches, screen enclosures, or even gazebos. You can also install our windows to transform a room under your existing roof. Windows are made with View Flex vinyl glazing, which is more durable than glass. Full fiberglass mesh screen protects you while guarding the open feel of the room. Select from among 7 frame colors for the look that fits best with your color palette. If you choose, your vinyl windows can be tinted Smoke Gray, Dark Gray, or Bronze; or they can be clear to let in maximum sunlight.

Have an irregularly sized sunroom or porch? No problem! We’ll custom-make windows to fit your openings exactly, up to 12 feet wide and 8 feet high. Imagine the amount of light and warmth that comes from such a wall of windows! WeatherMaster Systems are easy to clean and long-lasting, without requiring tiresome maintenance, so you can spend your time on more important things.

The Horizonal 2-Track Window System is backed by the Manufacturer Factory Warranty, so you can design your wall of windows, worry-free. The WeatherMaster System is built from modular units, manufactured at Sunspace in a climate-controlled environment. Our professional installers ensure that the job is done right. If you prefer DIY, we’ll take the measurements and ship the products, and you can build it yourself. Contact your local Sunspace dealer today to discuss what kind of windows can add value to your year-round or summer home.

Features & Benefits

  • 50% Ventilation with Horizontal Two Track
  • 75% Ventilation with Horizontal Four Track
  • Optional thresholds available for walk thru
  • Outside mount with integrated fiber mesh screen
  • ViewFlex vinyl glazing more durable than glass
  • Stainless steel hardware
  • Frames constructed of extruded aluminum
  • 2-Track sizes available up to 108" W x 108" H
  • 4-Track sizes available up to 192" W x 108" H

Product Brochure

Sunspace Horizontal Window System PDF

Sunspace WeatherMaster Windows & Doors

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Available Colors







Available Tints






Dark Gray