Fire Resisting Door
Certificate Security Steel Fire Resistant Door 72mm soundproof Door
Sound insulation Concept:Noise is very harmful to humans. How to effectively reduce indoor noise, installing soundproof door is a good choice, Have an STC value up to 40(+3)db. Soundproof doors can effectively solve noise pollution in outdoor and indoor spaces. Product material: steel +multi-layer composite high-density sound insulation and shock absorption materials Sound insulation factor: STC40dB(+3) The dimensions of the door frame: H2200*W900*D120/245(mm) The dimensions
Steel acoustic fire rate door soundproof sealed 40db interor Steel acoustic doors
Sound insulation Concept: Say goodbye to the noise and enjoy the quiet. How to effectively reduce indoor noise, installing soundproof door is a good choice, Have an STC value up to 40(+3)db. Soundproof doors can effectively solve noise pollution in outdoor and indoor spaces. Product material: steel +multi-layer composite high-density sound insulation and shock absorption materials Sound insulation factor: STC40dB(+3) The dimensions of the door frame: H2200*W900*D120/245(mm)
GoodSound Fire resistance theater sound insulation acoustic sliding soundproof door
Sound insulation Concept: Noise is very harmful to humans! How to effectively reduce indoor noise, installing soundproof door is a good choice, Have an STC value up to 40(+3)db. Soundproof doors can effectively solve noise pollution in outdoor and indoor spaces. Product material: steel +multi-layer composite high-density sound insulation and shock absorption materials Sound insulation factor: STC40dB(+3) The dimensions of the door frame: H2200*W900*D120/245(mm) The dimensions