Replace garage door bottom seal
Why it matters
Cracked astragal lets in rain, rodents, leaves, and drafts, compromising garage climate control.
Stop forgetting to do this.
Hearth generates a personalized maintenance schedule so you never miss another replace garage door bottom seal.
How to do it
- 1
Open garage door fully.
- 2
Inspect bottom rubber seal (astragal) for cracks, hardening, or gaps.
- 3
Measure width of door to ensure correct seal size.
- 4
Remove fasteners holding old seal to door bottom.
- 5
Slide old seal out of track.
- 6
Clean track of dirt, debris, and old seal material.
- 7
Slide new seal into bottom track, ensuring even seating.
- 8
Secure seal with provided fasteners; close door and verify floor contact.