Lamvin's standard panel construction:
Acoustical Core: 6-7lb. density, rigid fiberglass
Finish: Perforated co-polymer plastic, with 1/8" diameter holes on 3/16" staggered center with 40% open area (custom perforations and colors available)
Size and thickness:
Finishes: Standard color is white (custom colors available).
Edge details available:
NRC 0.85 to 0.95 on 1" NRC 1.00 to 1.10 on 2"
Fire test: ASTM E 84 Class I (or A) flame spread rating (tunnel test)
Mountings available: Adhesive Mechanical "Z" clip