How to measure the size of door set
When renovating or replacing doors and windows, accurately measuring the dimensions of your kit door is a critical step in ensuring a smooth installation. If the dimensions are measured incorrectly, the door may not fit or be inconvenient to use. This article will detail how to correctly measure door dimensions for kits and provide structured data for reference.
1. Preparation before measurement

Before starting measurement, you need to make the following preparations:
1.Tool preparation: Tape measure, pen, paper, level (optional).
2.Clean the doorway: Make sure there is no debris around the door opening for accurate measurement.
3.Check door opening: Observe whether the door opening is flat. If there is any obvious tilt or unevenness, it needs to be dealt with in advance.
2. Measurement steps for suit door dimensions
The size measurement of the set door mainly includes the measurement of the door opening height, width and wall thickness. Here are the specific steps:
| Measurement items | Measurement method | Things to note |
|---|---|---|
| Door opening height | The vertical distance from the ground to the top of the doorway, measure the left, middle and right points, and take the minimum value. | Make sure the ground is flat to avoid measurement errors caused by uneven ground. |
| Door opening width | The horizontal distance from one side of the door opening to the other side, measure the upper, middle and lower points, and take the minimum value. | The width of the door opening needs to be reserved for installation, which is usually 2-3cm larger than the width of the door leaf. |
| wall thickness | Measure the thickness of the walls on both sides of the door opening and take the maximum value. | If the wall thickness is inconsistent, the door frame size needs to be adjusted according to the actual situation. |
3. Common problems and solutions
1.Irregular door opening: If the door opening is tilted or uneven, it is recommended to level it with cement or plaster before measuring.
2.measurement error: Take the average of multiple measurements to avoid inaccurate dimensions due to a single measurement error.
3.Door leaf matches door frame: The door leaf size should be 1-2cm smaller than the door frame to ensure smooth opening and closing.
4. Kit door size reference table
The following is a reference for standard sizes of common set doors:
| door type | Standard height (cm) | Standard width (cm) | Applicable scenarios |
|---|---|---|---|
| bedroom door | 200-210 | 80-90 | Bedroom, study |
| bathroom door | 190-200 | 70-80 | Toilet, bathroom |
| kitchen door | 200-210 | 70-80 | kitchen, dining room |
| Entrance door | 210-220 | 90-100 | Entrance door |
5. Summary
Accurately measuring the dimensions of your kit door is key to a successful installation. Through the introduction of this article, I believe you have mastered the method of measuring the height, width and wall thickness of door openings. In actual operation, be sure to measure multiple times and refer to the standard dimensions to ensure the installation effect and use experience of the door. If in doubt, it is recommended to consult a professional door and window installer.
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