10 Best Camper Roof Sealer 2025 in the United States

The Liquid Rubber RV Roof Coating kit is a comprehensive solution for anyone looking to seal and protect their RV roof. This kit includes a 5-gallon sealer, 1-gallon EPDM primer, a smart cleaner, seam tape, and lap sealant, making it an all-in-one package for roof maintenance. One of the standout features is its flexibility, with the final membrane boasting over 1000% elongation, which helps prevent adhesion failure. This product also offers excellent UV resistance, helping to protect your roof from sun damage, and its solar reflective properties can keep your RV cooler in hot weather.

Additionally, it's environmentally friendly, being water-based and free from solvents and VOCs, ensuring safety for both humans and pets. Application is straightforward, similar to painting, and it can be done with a brush, roller, or high-quality paint sprayer. The 5-gallon pail is sufficient for RVs up to 30 feet, requiring 2-3 heavy coats for optimal coverage. However, it's important to note that full kit returns are the only accepted return method, which could be inconvenient if you don't need all components or if there's an issue with part of the kit.

The product weighs 40 pounds, which might be a bit heavy for some users to handle alone. This kit is ideal for RV owners looking for an effective, long-lasting roof sealant that is easy to apply and environmentally friendly.

The Dicor 501LSW-1 HAPS-Free Self-Leveling Lap Sealant is designed specifically for horizontal surfaces on RV roofs, making it an excellent choice for maintaining and repairing camper roofs. One of its key strengths is its UV resistance, which prevents discoloration and spoiling from sun exposure, ensuring that it maintains a clean and stylish white appearance over time. This feature is especially important for RV owners who frequently travel and expose their vehicles to varying weather conditions.

Additionally, the sealant is compatible with a wide range of materials, including EPDM, TPO, and PVC membranes, and adheres well to surfaces like aluminum, wood, and fiberglass, providing versatile application options. The self-leveling property of the sealant makes it easy to apply, ensuring a smooth and even finish without much hassle. However, the sealant is best suited for horizontal surfaces, which might limit its use on vertical areas of the RV.

In terms of flexibility and durability, the rubber material ensures a strong and lasting bond, which is crucial for withstanding the stresses of travel and weather exposure. The 10.3 oz. tube size is convenient for handling and storage, but may require multiple tubes for larger repair jobs. For RV owners looking for a reliable and durable roof sealant, the Dicor 501LSW-1 offers a strong balance of ease of use and long-term performance.

The Liquid Rubber RV Roof Coating is a versatile and effective solution for sealing camper and trailer roofs. As a solar reflective sealant, it promises excellent UV resistance, ensuring that the product remains stable and effective even under prolonged sun exposure. Its high flexibility with over 1000% elongation helps prevent adhesion failure, making it a durable choice for various weather conditions.

Waterproofing is a key strength, preventing leaks and protecting the roof's integrity over time. The ease of application is another plus; it can be applied using a brush, roller, or paint sprayer, similar to painting, which makes it accessible for DIY enthusiasts. The environmentally friendly, water-based formula with no solvents or VOCs is safe for both indoor and outdoor use, making it a responsible choice for those conscious about environmental impact.

However, at 44 pounds, the 5-gallon container is quite heavy and may require extra effort to handle. Additionally, achieving the recommended thickness might require multiple heavy coats, possibly increasing the application time. Despite these minor drawbacks, it is a reliable and favored option for RV roof maintenance.