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Door Installation
Your guide to door installation services.

Why Replace or Install New Doors
What's Included
Services
Door Installation Service Types
Cost Guide
Door Installation Cost: What to Budget in 2026
Basic Interior Door
A hollow-core or solid-core interior door with standard hardware. Includes removal of the old door, hanging the new slab, and installing matching hardware. Most installations finish in 2–3 hours per door.
Entry Door Upgrade
A new fiberglass, steel, or wood entry door including frame, weatherstripping, and modern hardware. Smart lock and storm door add-ons typical. Significantly boosts curb appeal and security.
Patio & French Doors
Sliding glass, French, or atrium doors with energy-efficient glass packages, smooth-operation hardware, and full framing. Common as part of kitchen or sunroom remodels. Plan for half-day to full-day install.
Whole-House Refresh
Replace all interior doors, hardware, casings, and trim throughout the home for a unified, modern look. Includes paint or stain on doors and trim. Typical for 8–12 door homes and finished in 1–2 weeks.
What to expect
The door installation process
In-home measurement
An installer measures the existing rough opening, photographs the trim, threshold, and weather conditions, and checks if the door is hung in a structural wall (load-bearing header) or partition wall. Measuring an exterior opening incorrectly is the #1 reason a $1,500 door becomes a $3,500 repair job.
Quote & ordering
Stock doors ship in 1–2 weeks; custom widths, glass inserts, and pre-finished colors take 4–6 weeks. Quote should specify slab vs pre-hung, swing direction (left or right inswing/outswing), threshold material, jamb depth, and whether trim is included. Beware of bait pricing on the door body that excludes installation labor.
Demolition & opening prep
The existing door, trim, and threshold are removed. The installer inspects the framing for rot, termite damage, or water damage and repairs it before the new door goes in. Exterior openings get a fresh waterproof sill pan flashing to direct any future water leaks outside the wall cavity.
Set, shim & weather-seal
The new pre-hung door is set into the opening, shimmed plumb and square (a tolerance of less than 1/8" in any direction), and screwed into the framing with 3" screws through the hinge plates. Exterior gaps are sealed with low-expansion foam and backer rod, then capped with painted trim. Most installs finish in 3–5 hours.
Hardware, finish & warranty
Lockset, deadbolt, and weatherstripping are installed and tested. The door is opened and closed 20+ times to confirm proper swing and latch. Most exterior doors come with a 10–20 year manufacturer warranty on the door body, 1–2 year warranty on hardware, and a 1–3 year workmanship guarantee from the installer.
Materials Guide
How to choose the right door material

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Door Installation FAQs
Resources
Related Door Installation Guides
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