Anhui Qidao Intelligent Door Industry Co., Ltd. (Steel Insulation Doors, Factory Insulation Doors):

1.1 This collection is applicable to industrial buildings and auxiliary structures with high noise levels (ventilation rooms, refrigeration rooms, air conditioning rooms, diesel generator rooms, printing workshops, etc.). 1.2 It is suitable for rooms with high acoustic environment requirements (auditoriums, conference halls, lecture halls, cinemas, stadiums, broadcasting studios, recording studios, studios, etc.). 1.3 Door opening dimensions: door width 900-3300mm, door height 2100-3600mm. 1.4 Sound insulation: when using the non-threshold method, the sound insulation is ≤30dB; when using the threshold method, the sound insulation is ≤40dB. 1.5 Steel fire-resistant soundproof doors are suitable for places that require both sound insulation and fire resistance. 2 Door Materials 2.1 The filling material and thickness inside the door leaf are determined by the manufacturer based on the sound insulation and fire resistance requirements. Generally, door leaves are filled with glass cloth wrapped medium-grade glass wool fiber or rock wool products, with a volume density controlled within 80-100Kg/m³. 2.2 The frame and panel materials of the soundproof door leaf are divided into six types: Type a: steel frame, cold-rolled steel plate panel (without door frame); Type b: steel frame, cold-rolled steel plate panel (without door frame); Type c: light steel frame, color steel plate panel; Type d: light steel frame, cold-rolled steel plate panel; Type e: light steel frame, electroplated zinc steel plate panel; Type f: wooden frame, leather soft package panel. 2.3 Type e is a fire-resistant soundproof door. When the designer selects the door in the project design, the fire resistance grade and the requirements for the door leaf exterior material should be specified. 2.4 When using the soundproof door selection table, the designer should add the material type code according to the design requirements. 2.5 Sealing strip: uses EPDM rubber products.

Anhui professional custom factory soundproof doors, steel soundproof doors, album soundproof door customization. Extra-large steel soundproof doors, suitable for school and noise reduction facility renovation projects.