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Acousti-Seal 911 Technical Data
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10 22 26 (10650) Operable Partitions

ACOUSTI-SEAL 900 SERIES TECHNICAL DATA
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storage, and operating clearances. Indicate members fabricated from minimum 16-gage
location and installation requirements for formed steel with overlapped and welded
hardware and track, including floor tolerances corners for rigidity. Top channel is reinforced to
required and direction of travel. Indicate blocking support suspension system components. Frame
to be provided by others. is designed so that full vertical edges of panels
C. Setting Drawings: Show imbedded items and are of formed steel and provide concealed
cutouts required in other work, including support protection of the edges of the panel skin.
beam punching template. B. Panel Skin Options:
D. Samples: Color samples demonstrating full range 1. Roll-formed steel wrapping around panel
of finishes available by architect. Verification edge. Panel skins shall be lock formed and
samples will be available in same thickness and welded directly to the frame for unitized
material indicated for the work. construction. Acoustical ratings of panels with
this construction (select one):
1.5 DELIVERY, STORAGE, AND HANDLING a. 50 STC
A. Clearly mark packages and panels with b. 52 STC
numbering systems used on Shop Drawings. Do C. Hinges for Closure Panels, Pass Doors, and Pocket
not use permanent markings on panels. Doors shall be:
B. Protect panels during delivery, storage, and 1. Full leaf butt hinges, attached directly to panel
handling to comply with manufacturer’s direction frame with welded hinge anchor plates within
and as required to prevent damage. panel to further support hinge mounting to
frame. Hinges mounted into panel edge or
1.6 WARRANTY vertical astragal are not acceptable.
A. Provide written warranty by manufacturer of D. Panel Trim: No vertical trim required or allowed on
operable partitions agreeing to repair or replace edges of panels; minimal groove appearance at
any components with manufacturing defects. panel joints.
B. Warranty period: Two (2) years. E. Panel Weights:
Steel Skin
PART 2 – PRODUCTS 1. 50 STC – 8 lbs./square foot
2. 52 STC – 11 lbs./square foot
2.1 MANUFACTURERS, PRODUCTS, AND OPERATION
A. Manufacturers: Subject to compliance with 2.4 PANEL FINISHES
requirements, provide products by the following: A. Panel face finish shall be (select as required):
1. Modernfold, Inc. 1. Reinforced vinyl with woven backing weighing
B. Products: Subject to compliance with the not less than 21 ounces (595 g) per lineal yard.
requirements, provide the following product: 2. Reinforced heavy duty vinyl with woven
1. Acousti-Seal #911 1-Hour UL rated, manually backing weighing not less than 30 ounces
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operated individual panel operable partition. (850 g) per lineal yard.
3. Acoustical, non-woven needle punch carpet,
2.2 OPERATION with fused fibers to prevent unraveling or fray
A. Acousti-Seal #911: Series of individual flat panels, of material.
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manually operated, top supported with operable 4. Wall covering and upholstery fabric with
floor seals. surface treatment to resist stains.
B. Final Closure (select one): 5. Customer’s own material (subject to factory
1. Horizontally expanding panel edge with approval), must have UL classification.
removable crank. 6. Full height steel markerboard work surface.
2. Dual horizontally expanding panel edges with 7. Uncovered for field finishing (subject to field
removable crank. finish factory approval).
3. Horizontally expanding panel edge with 8. Primed for field finishing.
hinged panel closure and removable crank. B. Panel trim: Exposed panel trim of one consistent
color from manufacturer’s standard offering.
2.3 PANEL CONSTRUCTION
A. Nominal 3-inch (76 mm) thick panels in 2.5 SOUND SEALS
manufacturer’s standard 48-inch (1220 mm) A. Vertical Interlocking Sound Seals between panels:
widths. All panel horizontal and vertical framing Roll-formed steel astragals, with reversible tongue

2 Please contact your local Modernfold distributor for further assistance, or visit our website at www.modernfold.com.