A combination of sound reflection and absorption.
Diffusers convex shape, with reflective surfaces, diffuse sound
within a zone. Absorbers are designed to adjust the harshness
of a room. Absorbers and diffusers are interchangeable.
Facing:
Type 1 = Core only, no high impact face
Type 2 = Molded 10-20 lb density fiberglass 1/8"thick
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. The fabric is bonded directly to the panel face
with all edges wrapped a minimum of 1-1/2 inches to the back of
the panel to ensure a flat, wrinkle-free surface with tailored corners.
Specified other fabrics and perforated vinyls are available.
Backing:
Aluminum scrim backing only on request
Size and thickness:
Thickness
2", 3", 4"
(Custom thickness available)
Width
Up to 48"
Height
Up to 120"
NRC 0.95 to 1.05 on 2" NRC 1.05 to 1.10 on 3" NRC 1.10 to 1.15 on 4"
Fire test:
ASTM E 84
Class I (or A) flame spread rating (tunnel test)
UBC Standard 8-2
(corner burn test)
Mountings available:
Wall: Mechanical "Z" clip,
velcro, adhesive and impaling clips are also available.
Ceiling: Designed
for use with ceiling grid system.
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NRC 1.10 to 1.15 on 4"