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Fire door means that it can meet the fire resistance stability within a certain period of time.
Doors for integrity and insulation requirements. It is a fireproof partition with certain fire resistance, such as in fire compartments, evacuation stairwells, vertical shafts.
In addition to the function of ordinary doors, fire doors have the function of preventing the spread of fire and the spread of smoke, which can prevent the spread of fire for a certain period of time and ensure the evacuation of personnel.
Fire door acceptance specification
1. Observe and inspect the product qualification certificate and on-site acceptance record. Whether the fire door frame is installed firmly, the installation position, and the opening direction meet the design requirements. Whether the number, location, burying and connection methods of the embedded iron parts meet the design requirements.
2. Check the basic items. Qualified fire doors: tightly closed, flexible switch, no deformation, no upturning; soundproof door with good sealing and automatic closing. Excellent fire door: tightly closed, flexible switch, no block, rebound, no deformation and upturn; soundproof door is well sealed; fire door automatically closes sensitive.
3. Check the fire door attachment section. Qualified fire doors: complete accessories, firm installation, correct position, flexible opening and closing. Excellent fire door: complete accessories, firm installation, correct position, correct, flexible opening and closing, suitable for aesthetics.
4. Check the quality of the gap between the fire door frame and the wall. Qualified fire doors: Filled with full, embedded materials to meet design requirements. Excellent fire door: the filling is full and compact, the surface is flat, and the embedded material meets the design requirements.
5. Check the quality of the fire door surface. Qualified fire door: The surface is smooth, clean, no pitting, pits, no rust; uniform color of surface coating. Excellent fire door: the surface is smooth, clean, no scratches, no pitting, pits, no rust; the surface coating color is uniform and the coating film is smooth and beautiful.