A lot of Indianapolis homeowners have never had windows replaced before, so it is completely normal to have questions about what install day will actually look like. The good news is that a smooth installation starts long before the crew ever pulls into your driveway.
Before your installation is scheduled, the team at Modern Day Window & Door measures every opening carefully so your new windows can be manufactured to the exact specifications of your home. That means when install day arrives, there is no guesswork about sizing, fit, or what product belongs where.
What Happens When the Crew Arrives?
On install day, your crew arrives with your windows already built to spec and ready to go. Most projects begin on the outside of the home, where the crew can work opening by opening in an efficient sequence.
The first step is removing the old window and assessing the opening. Once the old unit is out, the team checks the condition of the opening and handles any prep work needed before the new window goes in. This is an important part of the job because good installation is about much more than simply swapping one product for another.
How Does the Installation Process Work?
After the opening is prepped, the new window is set into place, leveled, sealed, and insulated. From there, trim work is reinstalled or finished as needed, the glass is cleaned, and the crew moves on to the next window.
That process repeats across the home until every opening is complete. While homeowners often picture installation as chaotic, the reality is much more organized. It is typically a steady rhythm of removal, preparation, installation, sealing, insulating, trim, and cleanup.
How Long Does Window Installation Take?
For a typical Indianapolis home with around 10 to 12 windows, a full crew can usually complete the project in a single day. Larger homes or more involved projects, especially full frame replacements, may take two days depending on the number of openings and the condition of the existing frames.
Most homeowners are surprised that the process moves as efficiently as it does. With the windows already measured and manufactured ahead of time, the team can stay focused on installation quality rather than solving problems on the fly.
How Should You Prepare Your Home?
Your prep list is usually simple. Before the crew arrives, it helps to clear your window sills and move fragile items away from nearby walls or furniture that sits close to the openings.
From there, Modern Day Window & Door handles the rest. The crew manages removal, installation, sealing, and cleanup so you do not have to worry about micromanaging the process or figuring out what comes next.
Make sure the crew has access to each window opening.
What Happens at the End of the Day?
At the end of the project, the work does not just stop when the last window goes in. The team does a walkthrough with you to make sure everything looks and works the way it should.
During that walkthrough, they will show you how the windows operate, review the warranty, answer any questions you have, and confirm that no mess is left behind. The goal is simple: no open questions, no loose ends, and no surprises after the crew leaves.
That is the Modern Day Window & Door experience—straightforward, organized, and built to give homeowners confidence from start to finish.
"By install day, the hard part should already be done. The measurements are complete, the windows are built to spec, and the crew can focus on doing clean, precise work from the first opening to the last."
— Rylan Dorrell
Frequently Asked Questions
How long does window installation usually take?
For a typical Indianapolis home with around 10 to 12 windows, the full crew can often complete the project in a single day. Larger homes or full frame replacement projects may take two days depending on the scope of work.
What should I do to prepare for window installation day?
You should clear window sills, move fragile items away from the work area, and make sure the crew has access to each opening. The installation team will take care of the rest, including removal, installation, and cleanup.
Will there be a mess after my new windows are installed?
A professional installation team should clean the glass, tidy the work areas, and walk through the completed project with you before leaving. At Modern Day Window & Door, the goal is to leave no mess behind and no open questions at the end of the day.
What happens after the windows are installed?
At the end of the project, the team walks you through how the new windows operate, reviews the warranty, and answers any questions you have. This final walkthrough helps make sure everything looks right, works properly, and feels complete before the crew leaves.
Scott Dorrell
About the Author
Scott Dorrell is the Co-Founder of Modern Day Window & Door, known for delivering five-star customer experiences and hands-on product expertise. He’s dedicated to helping homeowners improve comfort, efficiency, and long-term value through high-quality window and door solutions.