Replace the Seal or Replace the Door?
Quick answer
Run the math before calling a glass shop: a replacement seal is an $8–$40 part and a 15-minute job, while a new door runs roughly $400–$2,200+ installed (about $700 national average, far more for custom frameless). A leak at the bottom or side, yellowed vinyl, or a weak magnet is a seal job. Chipped or cracked glass, corroded frames, discontinued hardware, or repair quotes past half the price of new — those are door territory.
Data reviewed:
Side by side
| Criterion | Replace the seal | Replace the door |
|---|---|---|
| Typical cost | $8–$40 parts, DIY | $400–$2,200+ installed (~$700 average) |
| Time | 10–20 minutes | Half-day install plus lead time |
| Fixes leaks at door edges | Yes — that is what seals do | Yes, but so does the $20 part |
| Fixes chipped or cracked glass | No — tempered glass cannot be repaired | Yes (or re-glass the panel alone: $150–$700) |
| Fixes corroded / bent frames | No | Yes |
| Right response to yellowed vinyl | Always | Never — vinyl is a wear part |
Choose replace the seal when
- Leak at the bottom, side, or panel gap with intact glass
- Vinyl is yellowed, stiff, shrunken, or moldy
- Magnet won't latch but the door hangs square
- The old profile is discontinued — universal adhesive seals bridge 3–20 mm glass
Choose replace the door when
- Glass is chipped at edges or cutouts, or cracked anywhere
- Frame is corroded, bent, or pulling from the wall
- Hardware failed and no current part matches the glass cutouts
- A repair quote exceeds roughly half the cost of a comparable new unit
Frequently asked questions
How much does it cost to fix a leaking shower door?
DIY: $8–$40 for the seal. A pro seal/gasket visit typically runs $60–$200. Compare that with $400–$2,200+ for a replacement door and the leak-repair decision usually makes itself.
My shower door still leaks after a new seal. Replace the door?
Not yet. Re-check the seal sizing, hinge sag, curb slope, and clogged weep holes first — the still-leaks checklist covers all four. Doors get replaced for broken glass and dead hardware, rarely for water.
Is a 15-year-old framed door worth re-sealing?
If the frame is straight and the glass intact, yes — inserts cost a few dollars. Pitted anodizing, corroded corner joints, and discontinued rollers stack the argument toward replacement; three strikes usually means a new unit.