How To Put In Replacement Windows

Dec 18, 2025

When it comes to home improvement projects, replacing your windows can have a significant impact on both the aesthetic appeal and energy efficiency of your home. Signature Windows, a Texas-based company specializing in high-quality replacement windows, offers a full-service experience from consultation to installation for homeowners in the Houston and Dallas-Fort Worth areas. With premium window brands like Pella, Andersen, and Jeld-Wen, Signature Windows ensures that homeowners receive top-notch products and expert installation services.

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If you’re considering replacing your windows with Signature Windows, you may be wondering how to go about the installation process. In this article, we will provide you with a step-by-step guide on how to put in replacement windows, ensuring a smooth and successful installation.

Step 1: Measure and Order Your Replacement Windows


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The first step in replacing your windows is to accurately measure the dimensions of your existing window openings. This will ensure that you order the correct size replacement windows from Signature Windows. Once you have your measurements, you can consult with a Signature Windows representative to select the best window style and brand for your home.

Step 2: Prepare the Work Area

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Before installing your replacement windows, it is important to prepare the work area to ensure a clean and safe installation process. Remove any window treatments, furniture, and obstacles near the window openings to provide ample space for the installation. It is also recommended to cover the floors and furniture with protective materials to prevent any damage during the installation.

Step 3: Remove the Old Windows

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The next step in the installation process is to remove the old windows from the window openings. Start by carefully removing the window sashes, trim, and any hardware from the existing windows. Use a utility knife to cut through any caulking or sealant holding the windows in place. Once the old windows have been removed, clean the window openings and remove any debris or old sealant.

Step 4: Install the Replacement Windows

With the old windows removed and the window openings cleaned, it is time to install the replacement windows from Signature Windows. Start by placing the new windows into the openings, ensuring that they are level and square. Use shims to adjust the position of the windows as needed, and secure them in place with screws or nails. Check the operation of the windows to ensure they open and close smoothly.

Step 5: Insulate and Seal the Windows

Once the replacement windows are securely in place, it is important to insulate and seal the windows to prevent air and water infiltration. Use foam insulation or weatherstripping to seal any gaps between the windows and the window openings. Apply a bead of exterior caulk around the perimeter of the windows to create a watertight seal. This will help improve the energy efficiency of your home and prevent drafts and moisture from entering.

Step 6: Finish the Installation

The final step in the installation process is to finish the windows with trim and hardware. Install interior and exterior trim around the windows to cover any gaps and provide a finished look. Add any hardware, such as locks or handles, to the windows to complete the installation. Clean the windows and surrounding area to remove any dust or debris from the installation process.

By following these steps, you can successfully put in replacement windows from Signature Windows and enjoy the benefits of improved energy efficiency and aesthetic appeal in your home. With their premium window brands and expert installation services, Signature Windows ensures that homeowners in the Houston and Dallas-Fort Worth areas receive top-notch products and service for their window replacement needs.

In conclusion, replacing your windows with Signature Windows is a great investment in your home’s value and comfort. With their full-service experience from consultation to installation, homeowners can trust that they are receiving high-quality products and expert installation services. By following the step-by-step guide on how to put in replacement windows, you can enjoy the benefits of improved energy efficiency and a fresh new look for your home. Contact Signature Windows today to schedule a consultation and start your window replacement project.

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 Because of the new windows, the front of the house has a whole new look. We love it! 
 From choosing the right windows to installation, Signature Windows did a great job! 
 Signature worked with us to accommodate all our needs and were on time for all visits. We highly recommend! 
 Outstanding job! Recommend 100%. Thank you guys! 
 Very professional and helpful!  
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Signature Windows and Doors

7250 Dallas Parkway
Plano, TX 75024
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817.752.9266

2101 CityWest Blvd, Suite 100
Houston, TX 77042
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281.346.9509