Insert windows install directly into the existing frame of the window being replaced, allowing you to get the latest window performance features while minimizing disruption to your home. Insert windows preserve the original frame, exterior trim, exterior siding and interior casing.
Insert window replacement may be an option for you if all of these criteria apply:
- There is no rot in the window frame
- Your window frame is not out of square
- You want to replace a worn window with a new window of the same size in the existing frame without disrupting trim
Basic steps for removing the old window:
- Window stops are removed
- Lower sash is removed
- Upper sash is removed
Installation Instructions
Get installation instructions for your window or door. Instructions include preparing the rough opening, sealing, shimming, fastening, flashing and water management.
Full frame window installation
Learn if full-frame window replacement is the best option for you.
Installation options
Learn about other available installation options
Products available with an insert option:
- Durable wood interior protected by a weather-resistant Perma‑Shield® exterior.
- Two operating sashes provide flexible ventilation and easy cleaning.
- Available in a wide range of sizes, colors, grilles and glass options.
This timeless window is a best-seller for historic renovations. It offers a traditional wood interior while featuring our innovative Fibrex® material, so you get a historic look that never looks "old.”
- 50 standard colors, 9 wood species, 11 stains.
- Wood protected by aluminum exterior.
- Standard sizes up to 4' wide and 7'6" high. Custom sizes available.
The smart alternative to vinyl
100 Series
Our 100 Series product line is engineered with Fibrex® composite material for durability, sustainability and energy-efficiency. It's twice as strong as vinyl and provides low-maintenance exteriors with clean corners for a refined look.
