DB-1 type 52 soundproof doors made by Novoferm effectively separate loud from quiet – with an official sound reduction index of up to RW = 52 dB
Noisy sections must be acoustically separated from office areas in everyday work environments. The new Novoferm DB-1 type 52 soundproof door is the perfect solution: The sturdy steel carcase with special acoustic insulation and, e.g., the double lowerable floor seal produces an impressive sound reduction index of up to RW = 52 dB.
