When it comes to strength perfect fitting and protection against weather elements like rain and strong winds in aluminum and glass work, casement windows are the first choice for craftsmen and clients. Many common people and new craftsmen cannot understand the difference between a sliding window and a casement window. Today in this post I Nouman will tell you in the light of my practical experience what casement windows actually are, how they work, and what the technical procedure is for making them.
What is a Casement Window?
In common language a casement window is also called an openable window or a hinged window. This window does not operate by sliding right and left; instead, it opens completely inward or outward with the help of high-quality hinges or friction stays installed on its side, exactly like the traditional doors of our homes open.
Technical Parts and Tools of a Casement Window
To prepare a perfect and strong casement window the following things are required:
Main Outer Frame: This is the external frame that is fixed inside the wall with the help of a Hilti drill machine.
Shutter Frame: This is the moving internal part of the window inside which the glass is fitted.
Friction Stays or Square Hinges: In modern casement windows, friction stays are used instead of ordinary hinges. Their benefit is that no matter at which angle the window is opened, it does not close automatically due to strong winds but stops right there.
Multi-Point Locking System: This is the soul of these windows. When you turn its handle, it grips the frame at the top, bottom, and middle all at the same time, making the window completely airtight.
EPDM Rubber Seal: This black rubber is installed to create pressure between the frame and the shutter, which is cut and fixed using cutting pliers.
Biggest Benefits of Casement Windows
100% Air Ventilation
The biggest disadvantage of a sliding window is that it opens halfway and remains closed halfway. In contrast, when a casement window is opened fully, it does not block the pathway of incoming air at all and makes the room 100% airy.
Excellent Waterproofing and Soundproofing
When the handle of a casement window is closed, its rubber seals stick so tightly to the outer frame that rainwater or outside noise cannot enter inside the room. If you are working for houses built on main roads, always suggest this window to the client.
Ease of Cleaning
Since these windows turn completely outward or inward, the outer part of the glass can be easily cleaned with a cloth even while standing inside the room.
Golden Rules Learned from Workshop Experience
The shutters of a casement window are cut at a perfect angle of 45 degrees on a miter saw machine. If the blade of your cutter is not sharp, or you cut without applying oil to the cutter blade, the degree will go out of alignment, due to which gaps will be left in the corners and the window will never become airtight. Therefore, always use a sharp blade from a heavy-duty company and use oil while cutting.
The Law of Tempered Glass: Heavy double glazing or tempered glass is often used in these windows. Remember, always measure the size perfectly with a measuring tape first, cut the glass, and make holes for the lock, and only after that send the glass to the factory for tempering. Never make the mistake of running a cutter on the final tempered glass.
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