Envirotech System Pvt. Ltd is counted among the successful Manufacturers and Suppliers of Sound Proof Metal door. The metal Doors offered by us are manufactured in steel, single or double leaf, horizontal or vertical sliding. These provide excellent noise suppression in new build or refurbishment projects.
ACOUSTIC DOOR :- Providing ENVIROTECH MAKE Steel Acoustic doors of required size , Single/double leaves door comprising of MS pipe frame Size: 100 x 50 , the hollow portion of pipe filled with Rock wool to block noise transmission . The door leaf shutters outer sheet made out of 1.6 mm thick plain CRCA sheet & inner GI perforated 1.2 mm thick Door shutter thickness shall be 85 mm , filled with acoustic insulation material of Rock wool of 64kg/m 3 density and one sound dampening layer of 3.5 mm thickness. The neoprene rubber gasket provided in between frame and shutter to fill gaps in between shutter and frame.
STC RATING :- construction of door shutter will be as per test conducted from National Physical Laboratory for f - The STC (Sound Transmission Coefficient) rating of door shutter will be 44 STC. The airborne sound as per IS-9901(Part III)-1981, DIN 52210 part IV-1984, ISO: 140 (Part III)-1995.
HARDWARE :- SS Door Handle 300mm long, 300mm long SS Tower bolt, Pressure lock to close door tightly.
VISION PANNEL :- Door fitted with sound proof glass vision panel of required size each leaf , sound proof glass made out of 06 mm , 02 no toughened glass with 12 mm gap in between both glass , gap filled with Argon gas and sealed with silicon sealing.