Maximizing Light and Views with Large Windows
- 2 days ago
- 2 min read

Replacing a window is one of the easiest ways to brighten your home with more natural light while improving energy efficiency and curb appeal. Proper installation is essential, as even a high-quality window won’t perform well if it’s not installed correctly.
Below is an overview of the key steps involved in replacing a window for your Knoxville home.
Measure Carefully for the Right Fit
Accurate measurements are critical for successfully installing a window. Measure the rough opening in multiple locations to account for variations in the framing.
It’s generally better to slightly undersize the window than to risk a window that’s too large, which may require additional framing or modification. A properly sized window ensures a secure, level installation and allows space for insulation and shimming.

Choose the Right Window Size and Type
To maximize natural light, consider the largest single window that fits the space, or install multiple mulled windows that work together to create a bright, open wall.
Single large windows provide clean lines of sight, while mulled windows offer flexibility for unique spaces and take the more traditional approach.
The style you choose—casement, picture, or sliding—can also impact the amount of light entering the room.
Remove the Existing Window
Careful removal of the old window is essential. Trim, fasteners, and any flashing or sealant are removed to expose the rough opening.
This allows inspection of the framing for rot or damage and ensures the new window sits flush and plumb.

Install the New Window
The new window is installed according to manufacturer specifications, ensuring it is level, plumb, and secure.
For larger windows or upper-floor installations, ladders, scaffolding, or a crane may be required. Shims are used to create even spacing and allow the window to open and close smoothly. Proper installation ensures the window can safely support the weight of the glass and will provide consistent daylight throughout the room.
Waterproof and Seal the Window
To protect your home and prevent leaks, the window must be properly sealed with flashing tape.
Flashing is applied around each side and then the top to direct water away from the opening. Proper waterproofing and insulation keeps the space air and water tight, while allowing your new window to deliver bright, natural light for years to come.
Wanting to Bring More Light into Your Home?
CMC Construction is a licensed and insured home improvement contractor based in Knoxville, Tennessee. We specialize in window replacement and exterior upgrades that improve energy efficiency and maximize natural light.
If you’re ready to brighten your home with new windows, our team can handle measurement, ordering, and professional installation with precision and care.
To schedule a consultation, fill out the form below or call or text us directly at (865) 236-6139. Let us help you bring more light and life into your home.


