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" - Art. PO-SP. •  We build up soundproofing doors with an acoustic seal of 40, 45, 50 dB A, and more, according to the customer’s requests. We guarantee Your full satisfaction, as we build up the product directly, so that You can choose any kind of size, colour and lockset. •  We can insert, according to Your requests, any kind of circular or rectangular windowpane. •  We can also furnish equipment fittings, according to Your requests, to be added to any kind of door (also to previously existing doors). •  We build up doors in accordance with the current regulations concerning the passive acoustic of structures. 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