Replace Window Weatherstripping
Learn what the project involves, which supplies to identify before shopping, and when professional help is safer. No registration or credit card.
Safety first
Confirm the exact product, existing conditions, applicable codes and manufacturer directions before starting. If the work reveals hidden damage, stop and reassess.
Tools & materials checklist
Compare the tools and materials for this repair, then check Home Depot, Lowe’s or Amazon. Product photos will be added from approved catalog sources.
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Project-specific work plan
- Identify window type
Check the product instructions and site conditions at this stage. Stop if the installation differs from what you expected.
- Remove a small sample
Check the product instructions and site conditions at this stage. Stop if the installation differs from what you expected.
- Match profile and size
Check the product instructions and site conditions at this stage. Stop if the installation differs from what you expected.
- Clean channel
Check the product instructions and site conditions at this stage. Stop if the installation differs from what you expected.
- Install and test operation
Check the product instructions and site conditions at this stage. Stop if the installation differs from what you expected.
Pro tip: save time and money
A seal too thick can make the window hard to lock.
Compare total cost, including preparation, replacement materials, extra trips to the store and your time—not just the shelf price.
Before you call it finished
- Check that the product operates normally.
- Inspect for leaks, movement, gaps or other signs of failure relevant to this project.
- Save packaging, model details and warranty documents.
- Recheck the work after regular use.
Helpful video tutorials
Watch a relevant demonstration before starting. Check the model, safety steps and local code requirements for your project.
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Columbia Water and Light — automatically selected; content not independently reviewed.
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This Old House — automatically selected; content not independently reviewed.
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DIY or hire a professional?
If the work needs permits, involves hazardous utilities, hidden damage, unsafe access or exceeds your experience, hire an appropriately qualified professional. Compare written quotes for the same scope.
Check a quote →Quote-checker numbers are currently illustrative, not verified ZIP-code estimates.