With the use of fire doors in public places, there are more and more types of fire doors on the market, and steel fire doors are one of them. Is steel fire doors expensive? Next, let's take a look at the price of steel fire doors.
Steel fire doors are divided into three levels: Class A fire doors, type-B fire door and Class C fire doors
Class C fire door is about 270 yuan per square meter
Type-B fire door per square meter is about 400 yuan
Class A fire door is about 540 yuan per square meter
Installation of steel fire door
1. First determine the size of the hole, so that the size of the hole is larger than the size of the steel fire-proof door frame, but it should not be too large, and it is best to install it according to the standard requirements.
2. Put the steel fire door into the size of the hole as a whole, and take safety measures for temporary positioning to prevent the steel fire door from dumping as a whole. The gap around the door frame should be adjusted appropriately, so as to facilitate the pouring of cement mortar. The door frame and steel fire door must be firm and reliable when fixed.
3. During the operation of pouring cement mortar around the door frame, less filling, more mixing, filling and filling, and adjusting while filling Mortar. After all the mortar is poured, it should be firm and reliable, and no longer move the fire door. Curing time is not less than 48 hours, and winter is not less than 72 hours. After the mortar is completely dry, the steel fire door can be opened and closed, and the clearance of each part can be checked. If there are any details that are not installed properly, adjustments need to be made.
4. Install door closer. After the steel fire door is installed, install door closer according to the situation, adjust whether the opening and closing are flexible and tight, and switch the door smoothly without big impact phenomenon. Of course, generally large door and window enterprises will be equipped with professional installation technicians for door-to-door installation services, so it is recommended that you 'd better choose a regular brand enterprise to purchase when selecting fire doors, you can still use the above knowledge to inspect the installation quality of installation workers.
Editor: China door and window network -- ak
