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Repair RV Fiberglass Exterior

As an RV owner, you know that your motorhome is more than just a vehicle; it’s a home on wheels, and keeping it in pristine condition is essential for enjoyable trips.

Unfortunately, accidents and wear-and-tear can lead to damages on the fiberglass exterior, leaving you with an unsightly and potentially leaking RV.

Fear not! In this article, we will walk you through the process of repairing your RV’s fiberglass exterior, covering a wide range of topics from basic repairs to professional restoration techniques.

Whether you have a minor crack or significant damage, we’ve got you covered. Let’s dive in!

Understanding RV Fiberglass and Common Damages

Before we delve into the repair process, let’s understand what RV fiberglass is and the typical damages it may encounter.

What is RV Fiberglass Exterior?

RV fiberglass exterior is a durable and lightweight material used in many recreational vehicles.

It is a composite material made of plastic resin and fine glass fibers, providing strength and flexibility to the RV’s outer shell.

Common Damages to RV Fiberglass Exterior

  • Cracks and Fractures: Small cracks can appear due to impacts or stress, while large fractures may occur from collisions or accidents.
  • Delamination: Moisture and age can lead to delamination, causing the fiberglass to separate from the underlying structure.
  • Fading and Oxidation: Prolonged exposure to sunlight can cause the fiberglass to fade and lose its shine.
  • Hail Damage: Severe hailstorms can leave dents and divots on the fiberglass surface.
  • Scratches and Gouges: Accidental scrapes and scratches can mar the appearance of your RV.

DIY Repairs for Minor Fiberglass Damages

If you have minor damages on your RV’s fiberglass exterior, you can attempt to fix them yourself with the right tools and techniques.

Materials You’ll Need

Before you begin, gather the following materials:

  • Fiberglass Repair Kit
  • Sandpaper (Various Grits)
  • Cleaning Solvent
  • Painter’s Tape
  • Safety Gear (Gloves, Goggles, Respirator)

Step-by-Step Repair Process

  1. Clean the Damaged Area: Use a cleaning solvent to remove any dirt, wax, or debris from the damaged section.
  2. Assess the Damage: Identify the extent of the damage. For minor cracks and gouges, a simple patch may suffice.
  3. Prepare the Surface: Sand the area around the damage to create a smooth surface for the repair material to adhere to.
  4. Apply the Fiberglass Repair Patch: Follow the instructions on the repair kit to apply the patch over the damaged area. Allow it to cure fully.
  5. Sand and Smooth the Patch: Once the patch is dry, sand it down to match the surrounding surface.
  6. Paint and Polish: If needed, apply matching paint to the repaired area and polish the entire fiberglass surface to restore its shine.

Seeking Professional Assistance for Major Fiberglass Repairs

For more significant damages or extensive restoration, it’s best to seek professional help.

Here’s what you need to know about professional fiberglass repair services.

Benefits of Professional Repair Services

  • Expertise: Professionals have the knowledge and experience to handle complex repairs effectively.
  • Quality Materials: They use high-quality materials to ensure long-lasting results.
  • Structural Integrity: Professionals can assess and repair damages that may affect your RV’s structural integrity.

Choosing the Right RV Fiberglass Repair Shop

When selecting a repair shop, consider the following factors:

  • Experience and Reputation: Look for established shops with positive reviews and a history of successful repairs.
  • Certifications: Check if the technicians are certified and trained in fiberglass repair.
  • Warranty: Inquire about warranties on their workmanship and materials used.


Can I use regular fiberglass repair kits for my RV?

While regular kits might work for minor repairs, it’s best to use repair kits specifically designed for RVs to ensure compatibility and durability.

How long does a typical fiberglass repair take?

The repair duration varies depending on the extent of the damage. Minor repairs may be completed in a day, while major restorations could take several days.

Can I DIY a large crack repair on my RV’s fiberglass?

Repairing a large crack requires skill and experience. It’s advisable to seek professional help to avoid further damage.

Will my insurance cover RV fiberglass repairs?

Most insurance policies cover fiberglass repairs resulting from accidents or collisions. Check with your insurance provider to confirm the coverage.

How can I prevent fiberglass damages in the future?

Regularly inspect your RV’s exterior, keep it clean, and apply a protective wax coating to minimize potential damages.

Is it worth repairing old RV fiberglass?

Repairing fiberglass can extend the life of your RV and maintain its value. If the damage is not extensive, it’s certainly worth the investment.


Repairing your RV’s fiberglass exterior is an essential part of maintaining its overall condition and appearance.

Whether you tackle minor repairs yourself or entrust the task to professionals, addressing damages promptly will keep your RV looking fantastic for years to come.

Remember, safety should always be a priority during any repair work, and seeking expert assistance when needed is the best course of action.

So, roll up your sleeves, gather your materials, and get ready to give your RV’s fiberglass exterior the attention it deserves!