Compact-stacking accordion folding partitions in two lines: Modernfold 800 / 1200 for sight division and SoundMaster 8 / 12 for moderate sound control. Specified, installed and serviced across Michigan by LG2 LLC.
Two accordion options
Accordion partitions hang from an overhead track, pull across the opening and latch, then fold into a slim stack. Choose the line by how much sound control the room needs.
Option 1 · Sight & space division
A durable all-steel accordion for quick sight and space separation where sound control isn't the goal. Light enough to need only minimal support.
Option 2 · Moderate sound control
Steel-paneled sound liners behind the covering add moderate sound attenuation and durability, with three-ply sweeps top and bottom for a positive seal.
Need more sound control than an accordion provides? See Modernfold solid panel partitions.
Selector guide
Every model has an all-steel frame and hinges, vinyl, fabric or carpet faces, and manual or electric operation. They differ in stack size, sound liner and reach.
Swipe the table sideways to see all four models.
| Specification | Option 1Modernfold 800 | Option 1Modernfold 1200 | Option 2SoundMaster 8 | Option 2SoundMaster 12 |
|---|---|---|---|---|
| Best for | Sight division | Sight division, wider openings | Moderate sound attenuation | Moderate sound attenuation, wider openings |
| STC | N/A | N/A | 39 | 40 |
| Stack width | 9" | 12-5/8" | 9" | 12-5/8" |
| Stack depth* | 2-1/8" | 1-3/4" | 2-1/8" | 1-3/4" |
| Max width** | 50'-0" | 60'-0" | 50'-0" | 60'-0" |
| Max height | 16'-0" | 16'-0" | 16'-0" | 16'-0" |
| Hanging weight | 2 lb/sq ft | 2-3/4 lb/sq ft | 3-1/4 lb/sq ft | 5 lb/sq ft |
| Manual track | #5 aluminum, #6 or #7 steel | #6 or #7 steel | #5 aluminum, #6 or #7 steel | #6 or #7 steel |
| Electric track | #7 with chain guide | #7 with chain guide | #7 with chain guide | #7 with chain guide |
| Electric required | Not specified | Over 730 sq ft | Over 400 sq ft | Over 360 sq ft |
| Sound liner | None | None | 24-gage steel + acoustical membrane | 24-gage steel + acoustical membrane |
* Stack depth per lineal foot of opening width, plus posts. ** Paired partitions double the maximum width. Modernfold may change specifications without notice; LG2 confirms every opening against current data.
Option 1 · Sight division
When strength and durability matter and only sight division is needed, the Modernfold accordion is the answer. The heavy all-steel frame and hinging carry the finish and take a lot of abuse, yet the partition is light enough to need only minimal support.
Beyond straight wall-to-wall runs, Modernfold 800 / 1200 partitions can be curved or even serpentine. The 800 stacks 9" wide and reaches 50'; the 1200 stacks 12-5/8" wide and reaches 60'. Both go up to 16' high.
Option 2 · Moderate sound control
SoundMaster suits church classrooms, fellowship halls, clinics, restaurants and other rooms that need moderate sound attenuation. Behind the fabric covering, steel-paneled sound liners add sound control and durability.
Acoustical performance reaches STC 39 (SM8) and STC 40 (SM12). Pairs of three-layer sweep strips seal top and bottom, the vertical sound channel is lined with polyurethane foam, and small air-release holes in the lead post let trapped air escape as the partition moves. Optional electric operation makes large, even curved, openings as easy as turning a key.
Construction & options
Both lines share the same welded steel construction, finishes, hardware and layout options.
Both lines
Faces & trim
Hardware & options
Layouts
For architects & specifiers
The track is matched to the partition size. These limits come from Modernfold's head details.
| Track | Models | Size limit | Head details |
|---|---|---|---|
| #5 aluminum | SoundMaster 8 · Modernfold 800 (manual) | Up to 33'-2" wide × 12'-0" high (66'-4" wide as a pair) | Wood cased beam, recessed with ceiling guard, surface mounted, or #5C recessed |
| #6 steel | SoundMaster 8 · Modernfold 800 | Up to 33'-2" wide × 14'-0" high (66'-4" as a pair) | Wood cased beam, or recessed with ceiling guard |
| #6 steel | SoundMaster 12 | Up to 30'-4" wide × 12'-0" high (60'-8" as a pair) | Wood cased beam, or recessed with ceiling guard |
| #6 steel | Modernfold 1200 | Up to 40'-1" wide × 14'-0" high (80'-2" as a pair) | Wood cased beam, or recessed with ceiling guard |
| #7 steel | All four models | Larger openings, up to the selector-guide maximums | Wood cased beam, or recessed with ceiling guard |
| #7 with chain guide | All four models, electric | Required above the electric-operation thresholds | Electrically operated head detail |
Gallery
Accordion partitions in dining rooms, fellowship halls and classrooms. Select any photo to view it full size.
LG2 · Modernfold distributor
Choose Modernfold 800 / 1200 for sight division or SoundMaster 8 / 12 for moderate sound control, then pick stack size, finish and manual or electric operation.
Match the track to the opening size, choose the head detail and storage layout, and coordinate structural support, blocking and any power with your team.
Install the track, trolleys and partition to Modernfold's instructions and approved shop drawings, after finish work such as painting is complete.
Adjust for smooth, quiet operation, show the owner how to run and care for it, and support the two-year warranty.
Tech data & brochures
Modernfold 800 / 1200 and SoundMaster 8 / 12 accordion partition tech data. PDFs open in a new tab.
Tech dataSoundMaster & Modernfold Accordion Partition Tech DataSpecification section 08 35 13 for accordion folding doors and partitions: SoundMaster 8 (39 STC) and SoundMaster 12 (40 STC), Modernfold 800 and 1200, size limits, finishes, suspension and stacking.PDF1.3 MB13 pagesForm 2387 · 11/2023FAQ
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