The Specialty Theatre Supplies felt grade fabric is the perfect answer for a sound acoustic environment. Available in 50%, 80% and 100% fullness depending on your requirements and acoustic needs. Most clients find that at 80% there is no need for any insulation behind the fabric.
Wall curtains are not only a sensible and effective acoustic treatment they also make a plush finish to your walls. Fire testing documents are available for most countries and can be requested if needed for your local authorities.