Installation Process

With us, installing windows is a breeze

At PJ Fitzpatrick, our window installation process is fast and easy and our trained specialists will make sure that your home is fully protected during the procedure. We offer a wide array of window styles, so whether you’re looking for something modern, something traditional, or just something efficient, we can help you find the perfect windows for your home.

Window Installation Process

Energy Efficient Replacement Windows

Not only have we perfected the process of installing replacement windows in homes across the Delaware Valley, but we do it with high-quality products. Our window replacement specialists will work with you to determine the which energy-efficient windows would be best for your home and lifestyle.

Window Installation ProcessWindow Installation Process

Efficient Windows, Efficiently Installed

Window Installation Process 1

Identify Windows to be Replaced

When the installation crew arrives they will explain the installation process. They will put a job sign out in front of your home so your neighbors know that a licensed, bonded and professional company is working at your home.

Window Installation Process 2

Drop Cloths

We will lay drop cloths at the entry point into your home and get permission to park our vehicle(s).

Window Installation Process 3

Remove Existing Windows

Your existing windows will be carefully removed and disposed of (unless you want to keep them).

Window Insulation Install

Apply Insulation

We will insulate around the windows for optimum energy efficiency.

Window Installation

Insert New Window

We will professionally install your new windows into the prepared opening.

Window Installation Adjustment

Adjusted for Perfect Fit

Your windows will be adjusted to a perfect fit.

Window Installation Securing

Secured into Place

We will secure them in place, seal and cap your new windows according to factory specifications.

Window Installation Cleaning

Window Glass Cleaned

Our installers will clean any dust or dirt on your new windows from the installation process.

Window Screen Installation

Screens Fitted

Your screens (if applicable) will be put into place.

Window Caulking


We will caulk and seal your windows.

Window Installation Complete

Job Complete

We will explain anything you need to know about operating your windows so you can enjoy them.

Our Windows Service Areas

Delaware | Maryland | New Jersey | Pennsylvania

P.J. Fitzpatrick

21 Industrial Blvd
New Castle, DE 19720

6380 Flank Dr #600
Harrisburg, PA 17112

  • NJ Lic. #13VH10727200
  • DE Lic. #2009603070
  • PA Lic. #PA011323
  • MD Lic. #105494

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