Acoustiblok is typically applied as part of layered wall, ceiling or floor construction. It is usually stapled to wood studs or screwed to metal studs prior to drywall.
Acoustifence is a thin 1/8 inch thick revolutionary sound deadening material hung via grommets to a fence.
Keene Building Products
Keene Building Products manufactures 3-dimensional products for noise control. These products work in construction projects such as multi-family apartments and condominiums to dramatically reduce impact and airborne noise.