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Fire door opening size specification

Update 2015-12-14 11:15:39
In order to ensure that the documents are easy to read and save, the specifications of the fire door are downloaded in the form of Baidu network disks.

Before purchasing a fire door, we need to measure the size of the door opening. The fire door opening is divided into the size of the gross opening and the size of the net opening. The burr hole refers to the bricks that can be seen without painting; the clean hole is the painted one. ) ( GB5824-86 building door and window opening size series download address is below this article )

At this time, you don't care what kind of opening it is, just record its width and height. If the wall of the doorway is not vertical, you can measure the data of the upper, middle and lower points of the doorway. Easy installation to take the narrowest size. The width and height are available. Finally, it depends on the condition of your floor. Whether you want to paving tiles or marble or not paving anything, you must reserve its thickness to prevent the fire door from being installed after installation.

GB5824-86 architectural door and window opening size series download address is below this article

The main methods of fire door opening size measurement:

1. Before the measurement, you need to pay attention to where the baseline of the hole height is and how much does the baseline move down? For example: the reference line is 50 lines, that is to say the length from the top of the hole to the reference line plus 50cm is the height of the hole. Another thing to note is that the reference line should exist on both sides of the hole. Secondly, pay attention to whether there is a lower threshold for the fire door and whether it should be buried. Finally, you need to check whether the hole is a net hole or a Mao hole.

2. For the openings where fire doors need to be installed, most of them are not regular. When measuring, the width of the opening should be measured three times up and down, taking the smallest size, and the height should be measured twice, taking the smallest size. But this size should also indicate that the size of the net opening is still the size of the gross opening.

GB5824-86 architectural door and window opening size series download address is below this article

Matters needing attention in the measurement of fire door openings:

1. Before the measurement, find the position of the reference line -50 line of the hole height. The height of the hole = the length from the upper edge of the hole to the reference line +50 cm. It should be noted that:

a) The baseline should exist on both sides of the opening.

b) Are there any lower thresholds for fire doors and whether they should be buried? Most Class C fire doors made by fire door manufacturers have thresholds. Class A fire doors and Class B fire doors have no threshold.

c) See if the hole is a net hole or a hair hole.

d) Mark the location of the entrance for easy installation.

2. When measuring the opening, the width of the opening should be measured three times up and down, taking the smallest size. The height needs to be measured twice, taking the smallest size. Note whether the SD size is the size of the net opening or the size of the gross opening.

3. Confirm the fire door level, decorative panel, paint color and fire glass size with reference to the construction atlas or according to the requirements of the engineering party.

4, the choice of locks: the pipe well door chooses the pipe well lock, the aisle door chooses the aisle lock, the machine room door chooses the fire-resistant inlay lock.

When all the sizes are counted, the fire door can be ordered, because the size of the fire door is made according to the needs of each user, so the fire door manufacturer has no spot. You can report the size of the door opening you measured to the manufacturer, and then tell him whether it is the size of the gross opening or the size of the net opening and the ground conditions. The fire door manufacturer will make the necessary deductions for processing according to what you said.

Of course, you can also deduct statistics by yourself. The general data of the hole deduction is 4cm for the width of the hair hole and 2-3cm for the high section. The width of the net hole is deducted by 1-2cm, and the height is deducted by about 1cm. Why do we still need to deduct the net hole? Because when you install a fire door, if the wall is not straight or the height is different, the installer needs to adjust the door. If there is no gap, the door can't be adjusted, you need to hit the wall. Of course, the gap left after installation still needs to be treated, and the gap can be painted.

Related recommendation: List of fire door opening dimensions

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Hebei Jiu'an Fire Door Manufacturing Group Co., Ltd. <br /> Sales Hotline: 0312-5971018 18932668178
Company Fax: 0312-5971010
Address of the head office: China Top Ten Brand Fire Doors, No.531 Fengqi Street, Private Technology Industrial Park, Qiyi East Road, Baoding, Hebei Province
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