Is hanging a door a DIY project?

Hanging a door is a moderate DIY project that many handy homeowners can tackle, but it requires precision, the right tools, and patience. Success depends largely on your skill level with measuring, cutting, and using hand tools, as well as whether you're working with a pre-hung door or hanging a slab door in an existing frame.

Pre-hung doors are significantly easier for DIYers since the door comes already mounted in its frame with hinges attached. You're essentially installing the entire frame unit into the rough opening, which involves leveling, shimming, and securing the frame. This typically takes 2-4 hours for someone with basic carpentry skills and can save you $150-300 in labor costs compared to hiring a professional.

Hanging a slab door in an existing frame is more challenging and requires marking hinge locations, routing hinge mortises, drilling for the doorknob and deadbolt, and ensuring proper clearances all around. The door must fit precisely - typically with 1/8" gaps on the sides and top, and 3/4" at the bottom for carpet or 1/4" for hard flooring. Getting these measurements wrong means starting over or having a door that doesn't close properly.

Essential tools include a circular saw or hand saw, chisel set, drill with bits, level, measuring tape, and hinge mortise jig (highly recommended for consistent results). In Ottawa's older homes, you may encounter non-standard door sizes or frames that aren't perfectly square, which adds complexity.

Professional installation typically costs $100-200 for a pre-hung interior door and $150-300 for exterior doors in Ottawa. Contractors can complete the job in 1-2 hours and ensure proper weatherstripping and security for exterior doors. For exterior doors especially, improper installation can lead to air leaks - significant in Ottawa's climate where heating costs matter.

Consider hiring a professional if you're installing exterior doors (security and weatherproofing are critical), working with expensive solid wood doors, dealing with non-standard sizes, or if the existing frame needs repair. Interior doors are more forgiving for DIY attempts.

Next steps: If proceeding DIY, start with an interior pre-hung door for your first attempt. Measure your rough opening carefully and purchase the correct size. Take your time with measurements and test-fit everything before making final cuts.