Where style meets strength and sustainability.

Dashboard

Wide Open Style Selection

We have the styles, widths and sizes to match the purpose and ambition of virtually any home design scheme, from traditional to contemporary.
Home with check mark

A Reflection of Durability

Our windows are built to last, with strong, energy-efficient frames and weather-resistant features that help keep your home comfortable and protected year-round.
Lightning in a circle

Sustainable Performance

Our ENERGY STAR®-certified windows provide high-performance insulation, noise reduction and UV-blocking traits that protect furniture and flooring from fading.
side view of house

Designed to Welcome. Built to Endure.

From timeless craftsmanship to modern performance, Westlake Royal Windows offer a curated range of window collections—Krestmark, Legacy, and Magnolia—each thoughtfully designed to bring comfort, character, and efficiency to every home.

See the Styles. Picture the Possibilities.

Smart Designs. Seamless Operation.

These styles are available across various collections, including the Krestmark, Legacy, and Magnolia series, and can be customized to meet specific design and performance requirements.

Window Styles

Open Accordion Menu Item

Window Style

Description

Common Applications

Features & Benefits

single-hung-window

Single Hung

Features a fixed upper sash and a movable lower sash that slides vertically.

Common in bedrooms, bathrooms, and living areas where vertical ventilation is desired

  • Energy-efficient design
  • Low maintenance
  • Available in various sizes and finishes
horizontal-slider

Horizontal Slider

Operates by sliding one sash horizontally past the other, providing a wide viewing area.

Suitable for rooms with limited vertical space, like basements or contemporary-style homes.

  • Smooth gliding operation
  • Space-saving design
  • Available in various configurations
casement-window

Casement

Hinged on the side and opens outward like a door via a crank mechanism.

Excellent for hard-to-reach areas like over kitchen sinks or in bathrooms.

  • Provides maximum ventilation
  • Tight seal when closed
  • Easy to operate
awning-window

Awning

Hinged at the top and opens outward from the bottom.

Ideal for bathrooms or above other windows, especially where ventilation is needed during rain.

  • Allows airflow even in inclement weather
  • Pairs well with picture windows
  • Modern design
picture-window

Picture

A large, fixed window that does not open, designed to provide expansive views and natural light.

Perfect for living rooms or areas where maximizing natural light and views is a priority.

  • High energy efficiency
  • Can be combined with operable windows
  • Customizable shapes and sizes
architectural-shapes-windows

Architectural Shapes

Custom-shaped fixed windows (e.g., arches, circles) that add unique design elements to a home.

Used to create focal points or complement other window styles in various rooms.

  • Wide range of shapes and sizes
  • Enhances curb appeal
  • Can be combined with other window types for custom designs
Window facing a sink

Energy Efficiency

Learn more about our ENERGY STAR® -compliant windows, designed to improve comfort and reduce energy costs. 

Modern living room with windows all around

Product Navigator

Exploring your options should be exciting, not overwhelming. Our Product Navigator makes it easy to find the products available near you—let’s get started!