Choosing the correct window size is essential for both aesthetics and functionality. One question that often comes up during window replacement or new construction projects is: Is 34×58 a standard window size? The answer is yes, in many cases—but there are a few details worth understanding before you decide.
What Does a 34×58 Window Size Refer To?
A 34×58 window typically means the window opening measures 34 inches wide and 58 inches tall. These dimensions usually refer to the rough opening, not the exact visible glass area. The finished window unit may be slightly smaller to allow for proper installation and insulation.
This size offers a compact yet functional profile, making it suitable for a variety of residential applications.

Is 34×58 Considered a Standard Window Size?
Yes, 34×58 is generally considered a standard window size, particularly for certain window styles such as:
- Double-hung windows
- Single-hung windows
- Fixed or picture windows
Many manufacturers include 34×58 in their standard size charts, which means it’s commonly available without the need for custom fabrication. However, availability can vary depending on brand and region.
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Benefits of Choosing a Standard 34×58 Window
Selecting a standard window size like 34×58 comes with several advantages:
- Lower cost compared to custom-sized windows
- Faster production and delivery times
- Simpler installation, reducing labor costs
- More style and material options readily available
For homeowners on a budget or tight schedule, standard sizing is often the most efficient choice.
When You May Need a Custom Window Instead
Although 34×58 is standard, a custom window may be necessary if:
- Your rough opening dimensions don’t match standard sizes
- You’re renovating a historic or uniquely designed home
- You want a specific design feature or non-traditional window shape
Custom windows ensure a precise fit and design flexibility but typically require longer lead times and higher investment.
Conclusion
So, is 34×58 a standard window size? Yes—it’s a commonly used and widely available size for many residential applications. It offers a practical balance of affordability, availability, and performance, making it a solid option for both new builds and replacements.
If you need help selecting the right window size or exploring custom solutions, feel free to contact us anytime.
Email: wang@gddlsn.com