Self-Leveling Sealant for 5th Wheels

Updated October 31, 2026

Lot number78
AuctionPflugerville Nov. 12th - 10AM Liquidation & Consignment Auc
DateNovember 12, 2026 at 10:00 AM CST
Auction houseATX Auctions Pflugerville
LocationPflugerville, Texas

New. 5121 ALPHATHANE Self-Leveling Sealant for 5th Wheel RVs, Travel Trailers and Motorhomes Brand Lippert Components Model 5121 ALPHATHANE Self-Leveling Sealant for 5th Wheel RVs, Travel Trailers and Motorhomes Amazon Product B0858JZRSX Keep your RV protected from the elements with this high-performance ALPHATHANE 5121 Self-Leveling Sealant from Lippert Components. Formulated as a 100% solids, moisture-curing sealant, it is designed specifically for flat and horizontal surfaces such as RV roofs, making it ideal for sealing around vents, skylights, antennas, and other rooftop components. This self-leveling formula creates a permanent elastic bond with excellent adhesion to wood, metal, glass, fiberglass, rubber roofing materials, and many other common construction surfaces. Once cured, it remains flexible to withstand vibration, movement, and the rigors of travel while resisting shrinking, yellowing, moisture intrusion, and harsh weather conditions. Packaged in a convenient 9.8 oz tube, this durable sealant is suitable for use on fifth wheels, travel trailers, and motorhomes, helping extend the life of your RV's exterior sealing system.

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