NuFlex® 311RV Self-Leveling Lap Sealant / Caulking - Black

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MSRP: $15.39
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NuFlex® 311RV Self-Leveling Lap Sealant / Caulking - Black
NuFlex® 311 RV Self-Leveling Silicone Sealant is an advanced solution specifically designed for recreational vehicles, including vans and Airstreams. This high-performance sealant is a one-part, flowable, neutral-cure, and elastomeric silicone-based compound, making it an ideal choice for sealing joints in a wide range of RV applications. Its unique formulation includes a specialty primer that enhances adhesion to various surfaces, particularly TPO and EDPM roofing materials, ensuring a reliable seal in diverse conditions.
  • Self-Leveling: Ensures easy and efficient application.
  • Strong Adhesion: Excellent adhesion to materials like Metal, Fiberglass, TPO and EPDM roofing.
  • Durability and Versatility: Water-resistant and flexible, it is ideal for horizontal applications.
Advanced Formulation
NuFlex® 311 RV Sealant has self-leveling propertys, which simplifies the application process by eliminating the need for manual tooling. This feature not only saves time but also reduces labor costs, making it a cost-effective solution for RV owners. The sealant cures at room temperature, forming a durable, flexible, and low modulus seal that can withstand the rigors of RV use. Its excellent adhesion to a variety of surfaces, including ceramic, aluminum, concrete, vinyl, wood, and many roofing materials, ensures a versatile and dependable sealing solution.
Practical Uses and Durability
NuFlex® 311 RV Sealant is specifically tailored for horizontal applications in RVs, including sealing around penetrating items on RV roofs, conducting basic roof repairs, and providing horizontal sealing for buses, trucks, vans, and trailers. Its water-resistant nature before, during, and after curing, ensures that the seal remains intact in various weather conditions. The sealant's versatility and durability make it an essential product for maintaining the integrity of RVs, ensuring long-term protection against leaks and environmental damage.
Additional Info
Tube Size
10 oz.
Best used on
Metal and Fiberglass
Ground Shipping Only
Can only ship via ground transportation. No US Mail or FedEx Express Shipping; Non-Returnable
WARNING: This product may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, visit
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1 Review

  • 5

    Nuflex Caulk

    Posted by Terrell on Feb 21st 2024

    worked great. no more leaks. can't trust our local rv dealer to fix anything right, so we did it ourselves!

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