
An interior door may look like a simple panel and some hinges, yet a poorly hung door squeaks, binds, and wastes energy. At CountBricks, our residential construction teams install hundreds of doors every year while our AI platform delivers accurate, voice-driven estimates in minutes. Below, we combine field expertise and digital precision so you can learn exactly how to hang an interior door—whether you are a DIY-minded homeowner, a remodeling contractor, or a project manager leveraging CountBricks.com/services for material takeoffs and cost tracking.
• A plumb, square door boosts home resale value and curb appeal
• Correct clearances stop rubbing, rattling, and premature finish wear
• Tight weather-stripping lowers heating and cooling losses between conditioned spaces
• A solid, well-fitted latch improves privacy and sound control
Before you lift a hammer, open the CountBricks voice app and say, “Create an estimate to hang one 30-by-80 hollow-core interior door.” In seconds you’ll receive:
1. Real-time lumber, hinge, screw, shim, and trim pricing sourced from your local suppliers
2. Labor cost ranges based on Los Angeles residential wage data
3. A shareable PDF quote ready to email or e-sign
With the budget locked in, it’s time to get on site.
• Pre-hung door or slab door and matching jamb kit
• 4-ft and 6-ft levels
• Tape measure
• Shims (cedar or composite)
• 2-½ in. #8 construction screws
• Cordless drill/driver with Phillips and square bits
• Finish nails or pin nailer
• Wood chisel and utility knife (for slab doors)
• Expanding foam or mineral-wool insulation
• Premixed joint compound, caulk, and paint to finish
Measure height, width, and wall thickness. A rough opening should be 2 in. wider and 1 in. taller than the door unit. CountBricks blueprints imported into our AI takeoff engine already flag framing errors, saving rework on site.
Slide the pre-hung unit into the opening. Check for at least ⅛ in. of clearance on all sides. If the wall is out of plumb, expect to adjust with shims.
1. Place a 6-ft level on the hinge jamb.
2. Insert shims behind the top hinge, middle hinge, then bottom hinge until the bubble centers.
3. Drive a 2-½ in. screw through each hinge and shim into framing. This locks the hinge side perfectly plumb.
Close the door halfway and check reveal (the consistent gap between door edge and jamb). Adjust shims above the latch side until the reveal is uniform.
• Shim behind the strike plate location and at the top hinge line for stability
• Drive screws through the jamb, shims, and into studs
• Verify the door closes smoothly without rubbing the sill or head
Fill gaps between jamb and framing with low-expansion foam or mineral-wool strips. After curing, cut excess foam flush. Install casing with 15-ga finish nails, set the nails, and caulk seams.
1. Replace temporary hinge screws with 3-in. deck screws for long-term holding power
2. Tighten the strike plate until the latch clicks without force
3. Add bumpers or silencers for noise reduction
• Forgetting to check floor level leads to uneven bottom gaps
• Driving finish nails before the unit is perfectly plumb reduces adjustment range
• Over-shimming can bow the jamb and pinch the door
• Under-insulating invites drafts and odors between rooms
• Using drywall screws instead of structural screws weakens the hinge attachment
• Ignoring wall thickness causes casing to protrude or recess
• Rushing paint touch-ups invites moisture into cut edges
• Skipping a final reveal check leaves unsightly gaps
Traditional estimating takes hours of spreadsheet work. With CountBricks, simply speak your scope of work. Our AI maps SKUs to local supplier catalogs, calculates labor based on crew productivity, and produces polished proposals instantly. Builders use CountBricks to:
• Generate batch estimates for multi-family unit door packages
• Track real-time material volatility and lock in quotes
• Collaborate with homeowners who view 3D door styles inside the CountBricks client portal
• Sync approved budgets directly to field task lists so installers see quantities, locations, and inspection notes on mobile
1. Door closes without binding or ghosting open
2. Lockset lines up with strike plate hole
3. Reveal is consistent—about ⅛ in.—on top and sides
4. Casing joints are tight, nails filled, caulked, and sanded
5. Finish paint matches surrounding trim, no lap marks
If you uncover rotten framing, out-of-square openings over ⅜ in., or need to reconfigure swing direction, CountBricks carpentry crews are ready. Request a site visit at CountBricks.com/consultation and our project manager will capture dimensions with LiDAR, push data to the AI estimator, and schedule installation—often the next business day.
• Average Los Angeles labor to hang a pre-hung interior door: $130-$165 each
• Material package (hollow-core, primed jamb, brushed nickel hinges): $185-$220
• Typical project duration: 1.5 labor hours including cleanup
Prices auto-refresh daily inside your CountBricks dashboard, so you always quote at today’s market rate, not last month’s flyer.
After the last hinge screw is tightened, open the CountBricks mobile app, confirm quantities, and say “Generate invoice.” The homeowner receives a branded PDF showing materials, labor, markup, and tax—ready for online payment. Less paperwork, more profit.
Whether you self-perform or outsource, CountBricks streamlines everything from blueprint takeoff to final invoice. Sign up at CountBricks.com today and experience residential construction done right—door after door.

A Los Angeles custom-home builder recently partnered with CountBricks to install 24 solid-core interior doors across a 4,200-sq-ft remodel. Traditionally, measuring, ordering, and scheduling would tie up a superintendent for a full week. Here’s how CountBricks compressed the timeline:
The builder uploaded the floor plan PDF to CountBricks.com/blueprint-takeoff. Our AI recognized every door symbol, captured swing direction, and exported a material list—hinges, screws, shims, and trim—without a single manual click.
On site, the superintendent said, “Estimate install of 24 1-3⁄8 in. solid-core doors, paint grade, with satin-chrome hardware.” CountBricks returned a line-item quote—materials, labor, overhead, and markup—in 90 seconds. The homeowner approved electronically that afternoon.
• CountBricks scheduled a two-person carpentry crew for 8:00 AM Monday
• Real-time supplier pricing locked in hardware costs, mitigating inflation risks
• The crew followed mobile task lists showing each door’s size, swing, and room number
• Quality checks auto-populated—plumb level confirmation, reveal photos, client sign-off
• All 24 doors hung, trimmed, and touch-painted by 4:45 PM—two hours ahead of schedule
• Zero punch-list items thanks to live QA prompts
• 11% cost savings versus the builder’s historical average, primarily from accurate material quantities and reduced supervision time
• Instant digital invoice emailed at 5:00 PM, paid before sunset
Whether your scope is one bathroom door or an entire subdivision, CountBricks merges AI precision with skilled craftsmanship. Our platform removes the guesswork so you can focus on what counts—delivering beautiful, functional homes faster and more profitably.
Ready to transform your next project? Schedule a free demo at CountBricks.com/consultation and see how simple “how to hang interior door” becomes when CountBricks is on your team.