About Us

PLUSDOOR

The insulation performance is the best in the country!

High efficiency equipment certified products

High efficiency energy material certification insulation statement

KS F 3109 Acquires Top Grade of Insulation Statement Item

High-Performance Insulated Door (KEA Certified)

Korea's largest facility!

5 Factories, 2 Warehouses
More than 50 employees
14 delivery vehicles
Dedicated After-Sales Service Team

COMPANY VIEWS

Setting a new standard for doors in Korea: Inside the dynamic worksites of PLUSDOOR.

Outside Plant 1

Inside Plant 1

Office

Showroom

Outside Plant 2

Inside Plant 2

Outside Plant 3

Inside Plant 3

Outside Plant 4, 5

Inside Plant 4

Product Development

If it's not the best, we don't make it.

2008
- Development of Azon Insulated Doors
2013
- Development of Bifold door
2016
- Development of Thermal Break Bifold Doors
2017
- Development of Loy series
2018
- Development of PVC Composite Doors
2019
- Obtained Patent for Loy Series
- Development of Project Insect screen
2021
- Development of Regen series
2023
- Development of the Low-E Series Concealed Insect Screen
- Development of the Concealed Door Lock System
2024
- Launched the Entove Series
- Obtained Sound Insulation Certificate for Loy Series
- Acquired KS Certification
- Acquired High-Efficiency Energy Equipment Certification
2025
- Launched the 3m Entove Series
- Developed Tilt & Turn System Windows
2026
- Launched the Entove W Series

R&D Center

At PLUSDOOR, our dedicated R&D team
designs and engineers all products in-house.

A company dedicated to customer satisfaction with the best technology and quality!
We produce nothing but the best.

3D assembly
Finishing materials design
Assembly simulation
U-value analysis
Thermal conductivity analysis
Structural analysis

PRODUCTION FACILITIES

Utilizing high-performance machinery and state-of-the-art facilities, Plus Door manufactures flawless products through precision machining, allowing not even a 0.1mm margin of error.

Automated machinery

CNC Banding Machine

Laser Cutting machine

CNC Machine

Laser Marking Machine

3D Printer

CNC Machine

Corner Clamping Mchine

Automatic profile cutting machine

Double Notching Machine

Press Machine

Thermal break rolling machine

Cutting Machine

Screen Cutting Machine

Film Cutting Machine

PRODUCTION LISTS

Introducing the diverse product lineup of PLUSDOOR, where every product is manufactured in-house to ensure the highest quality.

Insulated Doors
Thermally insulated doors backed by official test reports, approved for nationwide application.
Gate
Lightweight and durable aluminum gate
Bi-fold Door
Rigid profiles featuring certified thermal performance
Fence
Lightweight and durable aluminum fence
3-Panel Sliding Door
Ultra-slim Painted Door, Wrapped Door
Aluminum System Door
Certified thermal insulation
Tilt & Turn System Window
Certified thermal insulation
Retractable Screen
Insect screen for project windows

Exhibitions

We showcase Plus Door's superior products and advanced technology directly to our customers by participating in various architectural fairs and exhibitions.