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Storm Window Install Basics
Install storm windows for efficiency
This guide covers installing exterior storm windows: measure openings, clean and caulk frames, place and fasten windows, and check for smooth operation and sealing.
- storm windows
- installation
- weatherproofing
- caulk
- energy efficiency
Measure accurately
Measure width/height at multiple points and order the right size.
Prep the opening
Clean sills/jambs and apply caulk where the storm frame will sit.
Install and fasten
Set the window squarely, fasten per manufacturer instructions, and check operation.
Seal and inspect
Caulk exterior gaps, ensure weep holes are clear, and test for drafts.