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Penny Window, St. Louis windows and doors since 1953
A casement window cranked open on a St. Louis home
Window styles

Casement windows

Casement windows hinge on the side and crank outward, so they seal tighter than almost any other style and scoop a breeze into the room. Great over a sink, in a tight spot, or anywhere you want a clean, unobstructed view.

What it is

The tightest seal there is.

Because a casement closes by pressing the whole sash against the frame, it seals tighter than a sliding window, which makes it one of the most energy-efficient styles you can put in. The crank makes it easy to operate over a counter, and the single pane of glass gives you a clean view with no rail across the middle.

Best for: Kitchens, tight spaces, and rooms where a tight seal and an open view matter most.

How we do it

The details that decide the difference.

01

Best-in-class seal

The sash presses tight to the frame all the way around, so casements are among the most weathertight, efficient windows made.

02

Easy to crank open

A turn of the handle opens it wide, which is ideal over a kitchen sink or in any hard-to-reach spot.

03

Clean, open view

One unbroken pane means more glass and a wider view than a window split by a sliding rail.

Tim our installer was here one hour ahead of time. He was very professional and cleaned up afterwards. We love the quality and look of the windows.
Celestine DunnGoogle review
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