A Step-by-Step Guide for Homeowners
Learning how to install a window can save you money and give you the satisfaction of completing a home improvement project yourself. Whether you’re replacing an old window or installing a new one, this guide will walk you through the process.

Gather Your Tools and Materials
Having the right tools and materials on hand will make the installation process smoother. Here’s what you’ll need:
- New window
- Measuring tape
- Level
- Pry bar
- Hammer
- Nails or screws
- Caulk and caulking gun
- Shims
- Utility knife
- Safety glasses and gloves
Remove the Old Window
The first step in learning how to install a window is removing the old one. Follow these steps carefully:
- Use a utility knife to cut through any paint or caulk around the old window frame.
- Pry off the interior trim using a pry bar.
- Remove any nails or screws holding the window in place.
- Carefully lift out the old window.
- Clean the opening, removing any debris or old caulk.
Prepare the Opening
With the old window removed, it’s time to prepare the opening for the new window:
- Check that the opening is square by measuring diagonally from corner to corner.
- If needed, use shims to adjust the opening until it is square.
- Apply a bead of caulk around the exterior edges of the opening to create a weather-tight seal.
Install the New Window
Now that your opening is prepared, you can install the new window:
- Place the new window into the opening, ensuring it fits snugly.
- Use a level to check that the window is plumb and square.
- If necessary, adjust with shims until the window is perfectly aligned.
- Nail or screw the window into place according to the manufacturer’s instructions.
- Re-check that the window operates smoothly and is level.

Seal and Finish
The final steps involve sealing and finishing your new window installation:
- Apply caulk around the exterior edges of the window to prevent water infiltration.
- Replace any interior trim you removed earlier.
- Add insulation around the window if needed to improve energy efficiency.
- Paint or stain any exposed wood to match your home’s decor.
How To Install A Window: Trust The Expert
If you’re in Morehead City, NC and looking for a reliable window installation service, BR Construction is the name you trust. Our team is looking forward to assisting you in all your windows needs. To book our services, call us at (910) 320-1101 now!