Door Installation: Hanging Interior and Exterior Doors

Hanging a door correctly is a job that requires precision and patience. An improperly installed door can stick, swing open on its own, or have unsightly gaps. For DIYers, the easiest way to install a new door is by using a "pre-hung" door, which comes already mounted in its own frame. This guide focuses on that common process.
📏 Step 1: Measuring and Preparation
Getting the measurements right is the most critical step.
🚪 Step 2: Hanging the Door
This is where precision comes into play. You'll need a partner to help lift the door into place.
✅ Step 3: Finishing Touches
The final steps complete the installation.
Finalizing the Install:
- Score and Break Shims: Use a utility knife to score the shims where they stick out, then snap them off flush with the frame.
- Install Hardware: Install the doorknob and strike plate.
- Install Trim: Nail the door casing (trim) around the frame to cover the gap between the frame and the drywall.
Exterior door installation is a more complex process involving weatherproofing, flashing, and sealing to prevent water and air leaks, and is often best left to a professional.
A perfectly hung door is a satisfying project, but it can be challenging. For a flawless, professional installation of both interior and exterior doors, trust the experienced craftsmen at The Box Advantage Group. We ensure every door we hang is perfectly plumb, level, and square.

