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Roof Sealant and Repair Tape

rv-Roof-Sealant-and-Repair-Tape

Maintaining the integrity of your RV roof is crucial to prevent leaks and extend the lifespan of your vehicle. RV roof sealants and repair tapes are essential products for addressing minor issues and providing ongoing maintenance. Here's an overview of these products and how to use them effectively:

Types of RV Roof Sealants
  1. Self-Leveling Sealant
    • Usage: Ideal for horizontal surfaces like the roof, around vents, skylights, and air conditioning units.
    • Application: Flows into cracks and gaps, creating a smooth, even surface that levels itself out.
  2. Non-Sag Sealant
    • Usage: Suitable for vertical surfaces, such as sidewalls and around windows.
    • Application: Stays in place without running or sagging, ensuring effective sealing on vertical surfaces.
  3. Rubber Roof Sealant
    • Usage: Specifically formulated for EPDM and TPO rubber roofs.
    • Application: Provides strong adhesion and flexibility to accommodate the movement and expansion of rubber materials.
  4. Silicone Sealant
    • Usage: General-purpose sealant, resistant to UV rays and extreme temperatures.
    • Application: Bonds well with various surfaces but may not adhere well to rubber roofs.
  5. Acrylic Sealant
    • Usage: Suitable for fiberglass and metal roofs.
    • Application: Provides a durable, weather-resistant seal.
Popular RV Roof Sealant Brands
  1. Dicor
    • Known for their self-leveling lap sealant, which is highly regarded for its durability and ease of application.
  2. EternaBond
    • Offers a range of sealants and tapes, known for their long-lasting adhesion and flexibility.
  3. Geocel
    • Provides a variety of sealants designed for different RV roofing materials and applications.
Types of RV Roof Repair Tapes
  1. EternaBond Tape
    • Usage: Ideal for repairing leaks, seams, and punctures on various roof types, including rubber, fiberglass, and metal.
    • Features: Highly adhesive, UV-resistant, and flexible. Available in different widths and lengths.
  2. Dicor Butyl Tape
    • Usage: Commonly used for sealing windows, doors, and other RV components.
    • Features: Excellent adhesion, provides a watertight seal, and is easy to apply.
  3. Flex Tape
    • Usage: General-purpose waterproof tape for temporary repairs.
    • Features: Thick, rubberized backing that conforms to surfaces, creating a watertight seal.
How to Use RV Roof Sealant
  1. Preparation
    • Clean the Area: Thoroughly clean the area around the leak or crack. Remove any dirt, debris, and old sealant. Use a suitable cleaner and a scrub brush or cloth.
    • Dry the Surface: Ensure the surface is completely dry before applying the sealant to promote better adhesion.
  2. Application
    • Cut the Nozzle: Cut the sealant nozzle at a 45-degree angle for better control during application.
    • Apply the Sealant: Squeeze the sealant onto the affected area, applying it generously to cover the entire crack or gap.
    • Smooth the Sealant: Use a putty knife or a similar tool to smooth out the sealant and ensure it fills all gaps evenly.
  3. Curing
    • Allow to Dry: Follow the manufacturer's instructions for drying and curing times. Avoid exposure to rain or other moisture until the sealant is fully cured.
How to Use RV Roof Repair Tape
  1. Preparation
    • Clean the Area: Clean the surface around the damaged area. Remove any debris, old sealant, and ensure it's dry.
    • Measure and Cut: Measure the length of tape needed to cover the damaged area, including some overlap. Cut the tape to the required length.
  2. Application
    • Peel the Backing: Peel off a small portion of the backing to start. Align the tape with the damaged area.
    • Apply the Tape: Gradually peel off the backing while pressing the tape firmly onto the surface. Smooth out any air bubbles or wrinkles as you go.
    • Seal the Edges: Press down firmly on the edges of the tape to ensure a tight seal.
  3. Final Steps
    • Inspect the Repair: Check the repair to ensure it's secure and fully adhered. If necessary, apply additional tape or sealant around the edges for extra security.
    • Allow to Settle: Give the tape some time to settle and bond properly before exposing it to water or heavy use.
Maintenance Tips
  1. Regular Inspections
    • Regularly inspect your RV roof for signs of damage or wear, especially around seams, vents, and other penetrations.
  2. Prompt Repairs
    • Address any cracks, leaks, or damage as soon as you notice them to prevent more significant issues.
  3. Clean the Roof
    • Keep your RV roof clean to prevent the buildup of dirt and debris, which can cause damage over time.


Using the right RV roof sealant and repair tape is essential for maintaining the integrity of your RV and preventing leaks. By regularly inspecting and maintaining your roof, you can extend its lifespan and ensure a comfortable, trouble-free experience on your travels. Whether you choose Dicor, EternaBond, or another trusted brand, having these products on hand can save you time, money, and headaches down the road.

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