How are doors classified by function
1. Acoustic door
Features: The door core is filled with sound insulation cotton or high-density material, and the door seam is equipped with sealing strips, which has remarkable sound insulation effect.
Applicable scene: street front house, bedroom, audio-visual room.
2. Fireproof door
Features: The use of fireproof board (such as rock wool, gypsum board), through the national fire rating certification (B, C).
Application scenario: public areas (such as corridors, stairwells), residential buildings with fire protection requirements.
3. Security door
Features: thickened door frame and door, built-in anti-theft lock, strong impact resistance.
Application scenario: low floor households, families with high security requirements.
