Symptoms
- Weatherstripping looks flattened, cracked, or torn
- Draft or light visible around the door frame
- Door doesn't feel like it seals tightly when closed
Likely causes
- CommonNatural wear and compression over years of useFoam and rubber weatherstripping loses its shape and sealing ability with age and repeated compression.
- PossibleSun exposure degrading the materialUV exposure can dry out and crack rubber-based weatherstripping faster than expected.
- PossibleWeatherstripping never properly sized or installed originallyPoor initial installation can lead to premature wear or an ineffective seal.
What to do
- Identify the type of weatherstripping used (adhesive-backed foam, tubular rubber with a track, or a compression strip) by examining it closely.
- Measure the length needed around the door frame and purchase a matching replacement type and size.
- Remove the old weatherstripping fully, along with any adhesive residue.
- Clean and dry the frame surface before applying new material.
- Install the new weatherstripping, pressing firmly for adhesive types or sliding into the track for channel-mounted types.
- Close the door and check for an even, snug seal all the way around.
Tools and parts
- Utility knife
- Tape measure
- Cleaning cloth
Door weatherstripping kitSearch: “door weatherstripping kit”
When to call a pro
A handyman can help if you're unsure which weatherstripping type fits your specific door style or frame material.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.