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The average lifespan for a casement window is around 20 years, but some higher-end casement windows with more durable frame materials can last up to around 40 years before you need to replace them. You’ll need to carry out routine maintenance and window cleaning—and, on occasion, casement window restoration—to extend the lifespan of your casement windows. But they tend to wear more slowly than windows with sliding sashes because the weatherstripping sees minimal friction.

Egress windows are typically required for basements with habitable space or living quarters. Not all basements or lower levels require egress windows. However, egress windows are required in homes with living spaces such as bedrooms and living rooms in a basement. The International Residential Code and International Building Code require sleeping rooms to have a specific size egress window. Check your local building codes to confirm the requirements in your area.

Vinyl windows have a few cons to consider before installing. For instance, while vinyl windows are energy efficient in terms of maintaining your home’s temperature, the actual process of making vinyl windows involves chemicals that are harmful for the environment. Vinyl windows are also less customizable than some other types of windows.

Deciding whether to repair or replace a window depends on the specific issue, the window's age, and the cost-effectiveness of the solution.

Repair is often better for:

• Minor issues such as a single broken glass pane, a stuck window, or small leaks. Repair is typically more affordable for isolated problems.

Replacement is the better long-term solution for:

• Major problems like deteriorating or rotting frames, significant leaks, or drafts.

• If your windows are over 15 years old, as repairs may only be a temporary fix for an aging unit.

• If you have a widespread problem affecting several windows.