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Steel Door Measurement and Ordering Process: A Step-by-Step Complete Guide

18 May 2026 890 Views
Steel Door Measurement and Ordering Process: A Step-by-Step Complete Guide

1. Initial Preparation for Accurate Measurement

The most critical stage before ordering a door is taking measurements. You should take measurements from the wall opening (rough opening). For this, have ready: a tape measure (7 m+), pencil, paper, and a spirit level. If you have an existing door, measure the wall opening, not the door itself.

2. Measurement Steps

Width and Height

Measure the width and height from the narrowest point of the wall opening. For width, take measurements at three points: top, middle, and bottom; for height, take measurements at three points: left, center, and right. Use the smallest value as reference.

Wall Thickness

Measure wall thickness at at least three points and take the average. Standard frame depth is usually 15 cm, but if your wall thickness differs, a custom frame may be required.

Wall Surface and Flatness Check

Use a spirit level to check if the wall is straight. If the wall is sloped, note this in the order comments.

Take measurements with millimeter precision. A 1 cm error can cause problems during installation.

3. Filling Out the Measurement Form and Approval

Determine whether standard or custom measurements are needed based on your region (Central Anatolia, Marmara, Aegean, etc.). Fill out the following information completely:

  • Width-narrowest (mm)
  • Height-narrowest (mm)
  • Wall thickness (mm)
  • Opening direction (inward/outward, right/left)
  • Wall material (concrete, brick, aerated concrete)

After filling out the form, double-check it and submit it to your Işıldak Steel Door customer representative.

4. Order Stages

Quote and Approval

A custom quote is prepared based on your measurements. The quote includes the door model, accessories, color, and estimated delivery date. Upon your approval, the order is placed into production.

Production Time

For standard measurements, production time is 7-10 business days; for custom measurements, it is 12-15 business days. This time may be longer during peak periods.

Pre-Installation Preparation

Before the installation team arrives, ensure the door opening is clean and unobstructed. If electrical connections are needed (e.g., for automatic locking), have them ready.

5. Delivery and Installation

After your door is installed, operational tests are performed. The lock mechanism, hinge adjustments, threshold, and weatherstripping are checked. After installation, you are informed about the use and maintenance of the door.

6. Common Mistakes and Solutions

The most common mistakes include: using the wrong reference point for measurements, overlooking wall thickness, and confusing the opening direction. To avoid these mistakes, remember this rule when measuring: Take each measurement at least three times, use the narrowest point of the wall, and when determining the direction, imagine where the door will be when opened.

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