Lamvin's standard panel construction:

Fabric Color selector:
[click here to open in pdf format]

Acoustical Core:
6-7lb. density, rigid fiberglass

Facing:
Perforated co-polymer plastic, 3/32" diameter holes on 5/32" staggered centers with 33% open areas (custom perforations available).

Edges:
Chemically hardened edges to reinforce panel perimeter against warping and damage (aluminum edge available).

Finish:
Acoustically transparent 100% woven polyester, 66 inches wide, 2-ply, 16 ounce fabric. Fabric is bonded directly to the panel face with all edges wrapped a minimum of 1-1/2 inches to the back of panel to ensure a flat, wrinkle-free surface with tailored corners. Specified and other fabrics and perforated vinyls are available.

Size and thickness:

Edge details available:

Bevel	Radius
Mitered	Pencil Radius
Tegular	Square

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:
Velcro
Adhesive
Impaling clip
Concealed spline
Mechanical "Z" clip
Rotofast clip