TOWER standard or 2nd class reinforced entrance doors have increased acoustic isolation (the result gained during tests in Centrum Techniki Okrętowej, Ship Design and Research Centre, in Gdansk was 41 dB). They are provided with four dead bolts and two steel metal plates inside the door wing. Such doors can be chosen either with steel door frame or MDF board.
TOWER standard or 2nd class reinforced entrance doors have increased acoustic isolation (the result gained during tests in Centrum Techniki Okrętowej, Ship Design and Research Centre, in Gdansk was 41 dB). They are provided with four dead bolts and two steel metal plates inside the door wing. Such doors can be chosen either with steel door frame or MDF board.
TOWER standard or 2nd class reinforced entrance doors have increased acoustic isolation (the result gained during tests in Centrum Techniki Okrętowej, Ship Design and Research Centre, in Gdansk was 41 dB). They are provided with four dead bolts and two steel metal plates inside the door wing. Such doors can be chosen either with steel door frame or MDF board.
WENUS wooden EI30 fireproof doors have increased acoustic isolation (the result gained during tests in Centrum Techniki Okrętowej, Ship Design and Research Centre, in Gdansk was 44 dB), assembled on a wooden door frame. The wing’s construction consists of stiles and rails of coniferous wood filled with a multilayer board coated with a fireproof board. The upper layer is made of MDF board.
