Do You Install Replacement Windows From the Inside or the Outside?

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A common question homeowners ask during window replacement projects is whether the installation is done from the inside or the outside. Well… the process actually involves both. This article will break down each step to install replacement windows, providing clarity on what happens inside and outside your home. By understanding these steps, you can better prepare for the upcoming work and ensure a smooth and efficient installation.

The Installation Process: Inside and Out

Removing the Interior Casing

The installation of replacement windows begins with preparation inside the home. First, the interior casing around the existing window is carefully removed. This step is crucial because it allows access to the old window and ensures that the new window will fit perfectly. By taking off the interior casing, installers can also avoid damaging the surrounding walls and trim.

Access to the Interior

While the primary installation work occurs outside, access to the interior of the home is necessary. Installers need to work inside to ensure the old window is removed properly and the new one is aligned and secured. This means you’ll need to prepare the room where the window is being replaced.

Interior Preparation: Getting Ready for the Job

Moving Furniture and Protecting Floors

Before the installation team arrives, it’s essential to move any furniture or items near the window to be replaced. This creates a clear working area and helps prevent damage to your belongings. Additionally, the installers will put down a drop cloth from the entry door to the room where the window is being replaced. This protective covering keeps your floors clean and reduces the risk of any damage during the process.

Preparing the Space

Besides moving furniture, it’s a good idea to remove any curtains, blinds, or decorations from the window. This allows the installers to work more efficiently and ensures nothing gets in the way. Once the area is prepared, the installers can proceed with the window removal and replacement.

Installing the Replacement Window: The Exterior Work

Removing the Old Window

With the interior casing removed and the space prepared, the installation team shifts their focus to the outside of the home. The old window is carefully removed from the exterior. This process involves cutting through any sealant or caulking and gently prying the window frame away from the wall. The goal is to remove the window without causing damage to the surrounding structure.

Installing the New Window

Once the old window is out, the new replacement window is installed from the outside. The installers will position the new window in the opening and secure it in place. They ensure the window is level and plumb, making adjustments as needed to guarantee a perfect fit. Proper installation is critical for the window’s performance and longevity.

Finish and Clean Up: The Final Steps

Sealing and Insulating

After the new window is in place, the installers will apply sealant around the exterior to prevent drafts and water infiltration. Proper sealing is essential for energy efficiency and protecting your home from the elements. Inside, insulation is added around the window frame to further enhance its energy performance.

Reinstalling the Interior Casing

With the window securely installed and sealed, the final step is to reinstall the interior casing. The installers carefully put back the trim and casing that were removed at the beginning of the process. This step ensures that the window looks great and blends seamlessly with the rest of your home’s interior.

Thorough Clean-Up

A reputable window installation team will always clean up after themselves. They will remove all debris, drop cloths, and tools, leaving your home as clean as they found it. This includes vacuuming or sweeping the area to ensure no dust or debris is left behind.

Conclusion

So, do you install replacement windows from the inside or the outside? The answer is both. While the majority of the work is done from the outside, access to the inside of your home is necessary for a successful installation. By understanding the process and preparing your home accordingly, you can ensure a smooth and efficient window replacement experience.

In summary, replacement window installation involves removing the interior casing, preparing the interior space, removing the old window from the outside, installing the new window, sealing, insulating, and finally, a thorough clean-up. Being aware of these steps can help you prepare and make the process as seamless as possible.

If you have any questions or need assistance as you install replacement windows, feel free to contact us. We’re here to help!

Ben Juncker

Author

When Ben Juncker was sitting in his high school career planning class, siding installer was not on his list of potential career paths. As with most people in the construction industry, certain questionable life choices led to a point where they were wearing a tool belt, working with their hands. His path started just this way and he would not change a thing. Those early years in his business of scraping and clawing their way to profitability and stability, have helped him to build a culture of hard work and perseverance at Craftsman’s Choice. Ben started his company in 1998 and they installed their first James Hardie job in 2000. Since that time Craftsman’s Choice has become one of the nation’s top James Hardie Remodelers. They have won James Hardie’s prestigious President’s Club award every year since it’s inception in 2015.

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