Envirotech Systems – Leading Manufacturer and Suppliers of Steel Acoustic Doors, Fire Rated & Resistant suppliers in India.
The door has a thickness of 55mm which extends to 65mm, depending on the severity of STC and fire rating. The fire rating of doors usually ranges between 60 to 120 minutes which is estimated with tests with ISW 2614 part ii and BS 476 part 22. The door frame is made from MS pipe/ISMC where the three sides of the shutter are made with 18/16 SWG CRCA/GI sheet. Neoprene/ EDPM gaskets are used to fit between the door shutter and frame to tackle any noise leakage from gaps. Envirotech Systems is a reputed manufacturer & supplier of steel acoustic fire doors.
- Powder Coating
- PU paint
- Spray paint