Also pre-made slip covers sized for standard sheets of mineral fiber are now on the market.
http://www.readyacoustics.com/index.php ... rod=RT424B
http://www.modularacoustics.com/teabagz ... ctions.htm
not sure if they still in business
Panel Fabric Supplies
Fabric Available with fire rating
http://sensiblesoundsolutions.com/produ ... ucts_id=43
Guilford of Maine FR701