Genius Asian 3rd Time Attaching Rearview Mirror-- Glue attached to windshield using 5 minute epoxy
Third Time Attaching the Rearview Mirror Using 5-Minute Epoxy
Key Takeaways
- This is the third attempt at attaching a rearview mirror to the windshield, this time using 5-minute epoxy
- Standard rearview mirror adhesive kits failed in previous attempts
- 5-minute epoxy provides a stronger, more durable bond for this application
- Proper surface preparation remains critical regardless of the adhesive used
- The faster cure time of 5-minute epoxy makes the repair more convenient
Third Time’s the Charm
After two previous attempts using standard rearview mirror adhesive kits, the mirror fell off again. This time, a different approach was needed. Instead of the specialized but apparently insufficient mirror adhesive, 5-minute epoxy was chosen for its superior bonding strength on glass surfaces.
Why Epoxy Instead of Mirror Adhesive
Standard rearview mirror adhesive kits contain a two-part system (primer and adhesive) specifically designed for the glass-to-metal bond. In theory, they should work perfectly. In practice, the bond can fail due to temperature extremes in the car, vibration from road driving, UV degradation over time, or imperfect surface preparation.
Five-minute epoxy offers several advantages: a stronger ultimate bond strength, better resistance to vibration, and a track record of durability in various bonding applications. The trade-off is that it takes slightly more care to apply cleanly.
The Repair Process
Clean both surfaces thoroughly with isopropyl alcohol, removing all traces of old adhesive. Lightly sand the metal bracket to improve adhesion. Mix equal parts of the two epoxy components. Apply to the bracket and press firmly against the marked position on the windshield. Hold for five minutes until the initial cure is complete. Wait 24 hours before hanging the mirror for full strength.
Results
This third attempt proved successful, with the mirror staying attached through all conditions. The 5-minute epoxy provided a noticeably more solid feel compared to the previous adhesive attempts.