---
- Cross-reference Part #: N512103TLCI
- COMPATIBILITY — Great for flat, horizontal surfaces on your RV like your rooftop
- MADE TO PERFORM — Offers a high-strength adhesion to wood, metal, glass and most other RV roof materials
- RELIABLY DESIGNED — Once completely cured, this sealant is formulated to withstand rigors and vibrations of RV travel
- CUSTOMIZATION — Available in Beige, Gray, Almond and White to match your RV's aesthetic
- ALPHA — Alpha Systems provides a holistic lineup of tapes, sealants, adhesives and cleaners all formulated for your RV
When it comes to repairing and maintaining your RV's roof, windows, vents or doors, look no further than Alpha Systems. Exclusively distributed by Lippert®, the Alpha lineup of adhesives, sealants, tapes and roofing kits are specifically formulated to work together as a holistic system for your RV. Our 5121 ALPHATHANE self-leveling sealant is a must-have when repairing flat surfaces like your RV's roof. This is a high-strength, self-leveling, sealant that can withstand the wear and tear of outdoor elements. It exhibits excellent adhesion to wood, metal, glass, and most other common construction materials. Plus, once cured, it doesn’t shrink, and it can handle the shock and vibration caused by travel.
The 5121 Alphathane self-leveling sealant comes in a single tube and is available in white, beige, gray or almond color options.
- Available colors: white, gray, black, beige or almond
- Forms permanent elastic bond
- Engineered to withstand all weather conditions
- Perfect for RV roofs and horizontal surfaces
- Helps prevent air and moisture intrusion
- Non-shrinking
- Non-yellowing
| Form | self-leveling |
|---|---|
| Bond type | permanent elastic bond |
| Shrinkage | non-shrinking |
| Yellowing | non-yellowing |
| Color options | white, gray, black, beige, almond |
| Width (inches) | 2 |
| Height (inches) | 11.5 |
| Length (inches) | 2 |
| Adhesion strength | high-strength |
| Weather resistance | all weather conditions |
| Application surfaces | wood, metal, glass, most other RV roof materials |
| Physical weight (pounds) | 1.5 |
| Dimensional weight (pounds) | 0.28 |
- What surfaces is the alpha systems 5121 alphathane sealant compatible with? The 5121 Alphathane sealant is great for flat, horizontal surfaces and offers high-strength adhesion to wood, metal, glass, and most other RV roof materials.
- Is the alpha systems 5121 alphathane sealant weather resistant? Yes, the sealant is engineered to withstand all weather conditions and is designed to handle the rigors and vibrations of RV travel.
- Does the 5121 alphathane sealant shrink or yellow after curing? No, once completely cured, the sealant does not shrink and is non-yellowing.
- What color options are available for the alpha systems 5121 alphathane sealant? This sealant is available in white, gray, black, beige, and almond to match your RV's aesthetic.
- Can the 5121 alphathane sealant help prevent air and moisture intrusion? Yes, it forms a permanent elastic bond that helps prevent air and moisture intrusion, making it perfect for RV roofs and horizontal surfaces.
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.