Is it okay to use a double-and-double door for the entrance door?

Is it better to use a double and double door for the entrance door?

HJSJ-2024

Received A question from members of the association: Should I choose a double door or a single door for the entrance door of a commercial house?

The following is provided by Huajian Craftsmanship Society and Huajian Environmental Design The institute explains to designers what are the differences between the two types of entrance doors, the double door and the single door? What are the characteristics? How to choose?

▷Directory

1. What kind of mother-child gate

2. Planar analysis

3. Characteristic analysis

4. Prices of both

1. What is a double door

The double-leaf door is a double-leaf door, which is composed of a smaller door leaf and a larger width door leaf. The small door leaf is called the \”child door\”, and the large door leaf is called the \”mother door\” , collectively called the Zimumen

△Zimumen

△ Entry single door

2. Plane analysis

Plane analysis of parent-child door and single door:

▶ 2.1 Daily use: Generally, the main door only needs to be opened for normal entry and exit. .

▶ 2.2 Special use: You can open the main door and the sub-door at the same time when you need to carry large items or when there are many people coming in and out. Easy access

There is another advantage of double and double doors. Whether the door opens outward or inward, it takes up less opening area than a single door.

△The single door at home has a large opening area

△The opening area of ​​the double and double doors is small

△When large pieces of furniture are passing, both doors can be opened

△Elevation view of single door at home

△Elevation view of double entrance door

3. Feature analysis

▶ 3.1 Advantages of double and double doors:

1. Hinge load: Double and double doors reduce the door area, thereby reducing the hinge load.

2. Opening area: The impact of excessive opening area of ​​a single door In the aisle space, you can choose to open the main door when moving things, but in daily life, you can just open the small door when people pass by.

3. Aesthetics: The overall beauty of the double and double doors is high.

▶ 3.2 Disadvantages of double and double doors:

Relatively expensive: Comparing the same brand and the same quality, double-leaf doors use more materials, and the overall cost is about 10% more expensive than the price of a single door.

△The single door area is too large, which increases the hinge load

△Reduce the door area, thereby reducing the hinge load

△Open area comparison

△The overall beauty of the double and double doors is high

△The overall cost of the double and double doors is relatively high

How to choose:

Recommendations for selecting entry doors: If the width of the door opening is ≥1100mm, and if the budget is sufficient, it is recommended to use a double door, which has a grand appearance and will not affect the size of the entrance and passage. It is required The sub-door can be opened when carrying large items

△Entry door suggestions

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The content of the construction drawings comes from the \”Official Website of Huajian Craftsmanship Society\”

More construction drawings

Can be downloaded from Huajian Crafts Society

This article was written

Huajian Environmental Design Institute

Editors: Liang Wei, Liao Chiwei

Picture: Su Yuntao

Reviewer:

Huang Zhiqin (registered first-class construction engineer)

Chen Tao (registered first-level construction engineer)

Published in June 2024

Is it better to use a double door for the entrance door?

HJSJ-2024

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