Topperfo® - Perforated SolutionsA basic and time tested approach to acoustics. Profiles are created with either one single diameter hole or with dual-diameter solutions. Various hole sizes, spacings, and arrangements are possible.Topakustik® ProductsTopperfo® Micro ProductsLarge Hole - M PerforationType 16/16/6 6mm Diameter Hole16mm On Center SpacingType 16/16/8 8mm Diameter Hole16mm On Center SpacingType 20/20/6 6mm Diameter Hole20mm On Center SpacingType 20/20/8 8mm Diameter Hole20mm On Center SpacingMedium Hole - T PerforationType 16/16/10 - 2 2mm Face Hole10mm Rear Hole16mm On Center SpacingType 16/16/10 - 3 3mm Face Hole10mm Rear Hole16mm On Center SpacingType 16/16/10 - 4 4mm Face Hole10mm Rear Hole16mm On Center SpacingType 16/16/10 - 5 5mm Face Hole10mm Rear Hole16mm On Center SpacingSmall Hole - Clou PerforationType 8/8/2 2mm Face Hole8mm On Center SpacingType 8/8/1.2 1.2mm Face Hole8mm On Center SpacingMore Spacing OptionsSpecial TypesType Graphic Any Perforated PatternType Split Grooved Perforations
