3F Sound Division is an original trademark of 3F S.r.l. viale V.Emanuele 7 24060 Bossico Bergamo - Italy tel/fax +39-035.968028 info@3fsounddivision.com Soundproofing doors “Barriera” (Barrier) – Art. PO-45. •  Our doors have a high soundproofing power with a 40,45, 50 dB A and more isolation level, according to the customer needs. We can satisfy the customer requirements at best since we directly produce the product according to the size, colour, specific lock of the customer. •  There is the possibility to insert a round or rectangular glass suitable to the door technical devices. •  Possibility to create and to use accessories according to the customer demand in order to accompany already existing doors. •  The doors follow the regulations in force as concerns structures passive acoustics. Doors with black lacquered framework and durmast panels. Engraving detail Options:   •  Traditional bar or push bar: •  Special locks; •  Mentions or drawings engraving; •  Double wall: •  Round or rectangular glass; •  Details according to the customer. Products Soundproofing doors and windows frames   home company products news download contacts