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How to Replace RV Window Seal

Are you a proud owner of an RV (Recreational Vehicle) seeking guidance on how to replace the window seal?

Look no further! In this comprehensive guide, we will walk you through the step-by-step process of replacing the RV window seal.

Whether you are a seasoned DIY enthusiast or a newbie in the world of RV maintenance, this article will provide you with all the information you need to successfully complete the task.

How to Replace RV Window Seal: A Step-by-Step Guide

Step 1: Gather the Necessary Tools and Materials

Before embarking on the window seal replacement journey, it’s essential to gather all the required tools and materials.

Here is a list of items you will need:

  • Screwdriver (Phillips or flat-head)
  • Putty knife
  • Rubber mallet
  • Window seal adhesive
  • New window seal
  • Cleaning solution
  • Lint-free cloth

Step 2: Remove the Damaged Window Seal

To begin the replacement process, carefully remove the damaged window seal.

Follow these steps:

  1. Start by using a putty knife to gently pry open the edges of the old seal.
  2. Once the edges are loosened, use the screwdriver to remove any screws holding the window in place.
  3. Slowly and steadily, pull the window away from the frame, ensuring not to damage the surrounding area.
  4. Use the putty knife to scrape off any remaining seal residue from the window frame.

Step 3: Clean the Window Frame

Before installing the new window seal, it’s crucial to thoroughly clean the window frame.

Here’s how to do it:

  1. Prepare a cleaning solution by mixing mild soap or detergent with warm water.
  2. Dip the lint-free cloth into the cleaning solution and gently scrub the window frame, removing any dirt or debris.
  3. Rinse the frame with clean water and wipe it dry with a separate lint-free cloth.

Step 4: Apply the New Window Seal

Now that the window frame is clean, it’s time to install the new window seal.

Follow these instructions:

  1. Carefully measure the length of the window frame to ensure an accurate fit for the new seal.
  2. Using a pair of scissors, cut the new window seal to match the measured length.
  3. Apply a thin, even layer of window seal adhesive along the inner edge of the window frame.
  4. Gently press the new window seal into place, starting from one corner and working your way around the frame.
  5. Use a rubber mallet to ensure the seal is securely in place.

Step 5: Test the Window Seal

After completing the installation, it’s essential to test the window seal to ensure it functions properly.

Follow these steps:

  1. Close the window and check for any gaps or misalignments.
  2. Open and close the window several times to ensure smooth operation.
  3. Inspect the window from the inside and outside, looking for any signs of leaks or drafts.

Frequently Asked Questions (FAQs)

How often should I replace the RV window seal?

The frequency of window seal replacement depends on various factors such as weather conditions and overall wear and tear. It’s recommended to inspect the window seals annually and replace them if signs of damage or deterioration are present.

Can I use any adhesive for the window seal?

It’s crucial to use a window seal adhesive specifically designed for RVs. These adhesives are formulated to withstand the unique conditions that RVs are exposed to, ensuring a secure and long-lasting bond.

Is it possible to replace the window seal without professional help?

Yes, replacing the window seal is a task that can be accomplished by most RV owners with basic DIY skills. By following the steps outlined in this guide and exercising caution, you can successfully replace the window seal on your own.

What should I do if I encounter difficulties during the replacement process?

If you encounter any challenges or uncertainties while replacing the window seal, it’s always recommended to seek professional assistance. RV service centers or experienced RV technicians can provide valuable guidance and ensure the task is completed safely and effectively.

Are there any preventive measures to extend the lifespan of the window seals?

Yes, there are several preventive measures you can take to extend the lifespan of your RV window seals. Regularly inspecting and cleaning the seals, avoiding excessive exposure to harsh weather conditions, and applying a protective sealant can all contribute to their longevity.

Where can I find high-quality window seals for my RV?

High-quality window seals can be found at reputable RV parts suppliers or online retailers specializing in RV accessories. It’s recommended to purchase window seals from trusted sources to ensure their durability and compatibility with your RV model.


Replacing the window seal of your RV may seem like a daunting task, but with the right tools, materials, and guidance, it can be accomplished successfully.

By following the step-by-step instructions outlined in this guide and keeping in mind the preventive measures, you can maintain the integrity of your RV’s windows and enjoy a comfortable and leak-free travel experience.

Remember, regular inspection and maintenance of your RV’s window seals are key to their longevity and performance.