C1 · Multifamily / United States
512 Interior Doors for a US Multifamily Project: Mixed Imperial Sizes, Two 40HQ Containers, 10 Weeks
A representative multifamily package using mixed imperial sizes, prehung interior doors, two 40HQ containers and a 10-week site schedule.
Direct Answer
The representative package standardised door families, reviewed the US schedule before production and split 512 mixed-size interior doors across two 40HQ shipments aligned to the site release plan.
Publication check: Representative project — details anonymised. Confirm project evidence, commercial terms and product test documents before publication.
Project Snapshot
Scope at a glance
The challenge
The project combined bedroom, bathroom and utility openings with imperial dimensions and a compressed installation programme. The buyer needed predictable packs rather than a generic mixed container.
The specification
The door schedule grouped openings by leaf size, wall thickness, handing and hardware family. Shop drawings were reviewed before production to prevent rough-opening and frame-size confusion.
What changed
The SKU list was consolidated into repeatable door families, pallets were marked by floor and room group, and two shipments were released against the construction schedule.
Logistics and results
The representative route used two 40HQ containers with an approximately 10-week end-to-end site plan. The case should be presented as a planning example, not as an unconditional delivery promise.
FAQ
Questions buyers usually ask
Can a Chinese supplier work from a US imperial door schedule?
Yes. Provide the schedule, rough openings, wall thickness, handing and hardware templates for technical review before production.
How are mixed sizes packed in a 40HQ?
Group each size and door-set configuration into clearly labelled lots and approve the loading plan before booking.
Should prehung doors be shipped assembled?
It depends on the container plan, damage risk, site handling and local installation capability. Compare both configurations.
How do I reduce installation errors?
Freeze the schedule, mark every door set and send illustrated installation information with the shipment.
Buyer questions
Confirm the applicable opening schedule, size reference, leaf and frame construction, finish, handing, hardware preparation and destination requirements before using 512 Interior Doors for a US Multifamily Project: Mixed Imperial Sizes, Two 40HQ Containers, 10 Weeks as a buying reference.
Include opening IDs, quantities, dimensions, wall thickness or frame depth, room exposure, finish reference, hardware schedule, performance notes, delivery destination and any sample-approval requirement.
Approve one complete representative opening—including the leaf, frame, finish, hardware preparation and packing reference—then release the final schedule only after every revision is recorded.