Fural Ceiling Raft
Ceiling Raft
Sabins/unit 12–57 at 1 kHz
EPD availableCeilingFree-hanging
With a free account
Manufacturer
Fural Systeme in Metall GmbH
Fural manufactures modular metal ceiling systems with outstanding acoustic performance. Every metal ceiling is an acoustic ceiling with additional functions such as fire protection, cooling, heating, hygiene or impact resistance. Certified to TAIM, with EPDs available for steel and aluminium systems.
Documents
Description
Free-hanging metal ceiling raft for flexible room acoustics, available as a single-piece or multi-piece version with a 55° or 90° folded edge. It can also be installed retrofit, without modifying the existing lighting. It can be combined with a cooling and heating function for later climate retrofitting. The structural ceiling remains visible and accessible for maintenance. Available formats: 31 sq ft (7.9x3.9 ft), 37 sq ft (3x3.8 ft), 15 sq ft (3x1.5 ft), 29 sq ft (3x3 ft), 44 sq ft (3x4.4 ft), 31 sq ft (16x2 ft), 39 sq ft (3x3.9 ft), 21 sq ft (6.5 x 3.2 ft).
Technical data
Material: galvanized steel
Surface: RAL 9010, powder coating 60–70 μm
Fire class (EN 13501-1): A1 (DIN EN 13501-1)
Application: Ceiling raft (free-hanging)
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 46 variants
Perforation
Size
Gap / cavity
Surface
Sabins/unit
57
at 1 kHz
Frequency values
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| Compare | Perforation | Size | Gap / | Test setup | Value |
|---|---|---|---|---|---|
| P30-System | 118 × 47 in | 16 in suspension height | 1.2 in mineral wool in PE 5 lb/ft³ | Sabins/unit57 | |
| Rg 2.5-16% | 118 × 53 in | 16 in suspension height | 2 in mineral-wool strips 2 in wide 3.6 lb/ft³ in PE film; Schmöle acoustic guide profile 12 pipe rows, coverage ratio 62 % | Sabins/unit53 | |
| P30-System | 118 × 47 in | 7.9 in suspension height | 1.2 in mineral wool in PE 5 lb/ft³ | Sabins/unit52 | |
| Rv 1.6-20% | 94 × 47 in | 7.9 in suspension height | 2 in mineral wool 9.4 lb/ft³ in PE film | Sabins/unit43 | |
| Rg 2.5-16% | 94 × 47 in | 7.9 in suspension height | 2 in mineral wool 9.4 lb/ft³ in PE film | Sabins/unit43 | |
| Rv 1.6-20% | 94 × 47 in | 7.9 in suspension height | 2 in mineral wool 6.2 lb/ft³ in PE film | Sabins/unit41 | |
| Rg 2.5-16% | 94 × 47 in | 7.9 in suspension height | 2 in mineral wool 6.2 lb/ft³ in PE film | Sabins/unit41 | |
| Rg 2.5-16% | 118 × 45 in | 7.9 in suspension height | 13 strips 2x2x118 in mineral wool 2.7 lb/ft³ in PE film, 3.5 in spacing, parallel to cooling coil, coverage ratio 57 %; cooling coil reproduced 110x3 in, 8 pipe rows, 5.7 in grid, coverage ratio 49 % | Sabins/unit40 | |
| Rd 1.5-22% | 118 × 35 in | 7.9 in suspension height | 1.2 in mineral wool 2.8 lb/ft³ in PE film; cooling coil 89x3 in, 8 pipe rows, coverage ratio 50 % | Sabins/unit39 | |
| Rd 1.8-21% | 118 × 35 in | 7.9 in suspension height | 1.2 in mineral wool 2.8 lb/ft³ in PE film; cooling coil 89x3 in, 8 pipe rows, coverage ratio 50 % | Sabins/unit38 | |
| 22.0 x 12.0 x 2.0 x 1.5 | 118 × 53 in | 7.9 in suspension height | 0.79 in polyester wool 1.2 lb/ft³ | Sabins/unit38 | |
| Rd 1.5-22% | 118 × 35 in | 7.9 in suspension height | 1.2 in mineral wool 1.6 lb/ft³ in PE film; cooling coil 89x3 in, 8 pipe rows, coverage ratio 50 % | Sabins/unit37 | |
| Rg 2.5-16% | 118 × 53 in | 16 in suspension height | without absorber layer; Schmöle acoustic guide profile 12 pipe rows, coverage ratio 62 % | Sabins/unit36 | |
| Rd 1.5-22% | 118 × 35 in | 7.9 in suspension height | 1.2 in mineral wool 1.2 lb/ft³ in PE film; cooling coil 89x3 in, 8 pipe rows, coverage ratio 50 % | Sabins/unit36 | |
| Rg 2.5-16% | 118 × 35 in | 7.9 in suspension height | 6 pcs 118 x 2 in mineral-wool strips 2 in wide 3.6 lb/ft³ in PE film; Schmöle acoustic guide profile 8 pipe rows, coverage ratio 62 % | Sabins/unit34 | |
| Rg 0.7-4% | 118 × 35 in | 7.9 in suspension height | 1.2 in mineral wool 2.8 lb/ft³ in PE film; cooling coil 89x3 in, 8 pipe rows, coverage ratio 50 % | Sabins/unit34 | |
| Rg 2.5-16% | 118 × 45 in | 7.9 in suspension height | 34 strips 2x2x45 in mineral wool 2.7 lb/ft³ in PE film, 3.5 in spacing, perpendicular to cooling coil, coverage ratio 57 %; cooling coil mock-up 110x3 in, 12 pipe rows, 3.5 in grid, coverage ratio 73 % | Sabins/unit33 | |
| Rg 2.5-16% | 118 × 45 in | 7.9 in suspension height | 2 in mineral wool 6.2 lb/ft³ in PE film; cooling coil mock-up 110x3 in, 12 pipe rows, 3.5 in grid, coverage ratio 73 % | Sabins/unit33 | |
| Rg 2.5-16% | 118 × 45 in | 7.9 in suspension height | 13 strips 2x2x118 in mineral wool 2.7 lb/ft³ in PE film, 3.5 in spacing, parallel to cooling coil, coverage ratio 57 %; cooling coil mock-up 110x3 in, 12 pipe rows, 3.5 in grid, coverage ratio 73 % | Sabins/unit32 | |
| Rg 2.5-16% | 118 × 53 in | 7.9 in suspension height | without absorber layer; Schmöle acoustic guide profile 12 pipe rows, coverage ratio 62 % | Sabins/unit31 | |
| Rg 2.5-16% | 118 × 35 in | 24 in suspension height | 0.79 in polyester wool 1.2 lb/ft³ | Sabins/unit30 | |
| Rg 2.5-16% | 118 × 35 in | 31 in suspension height | 0.79 in polyester wool 1.2 lb/ft³ | Sabins/unit30 | |
| 22.0 x 12.0 x 2.0 x 1.5 | 118 × 35 in | 16 in suspension height | 0.79 in polyester wool 1.2 lb/ft³ | Sabins/unit29 | |
| Rg 2.5-16% | 118 × 35 in | 16 in suspension height | 0.79 in polyester wool 1.2 lb/ft³ | Sabins/unit29 | |
| Rg 2.5-16% | 118 × 53 in | 7.9 in suspension height | without absorber layer | Sabins/unit28 | |
| Rg 2.5-16% | 118 × 45 in | 7.9 in suspension height | without absorber layer; Schmöle acoustic guide profile 12 pipe rows, coverage ratio 72 % | Sabins/unit27 | |
| 22.0 x 12.0 x 2.0 x 1.5 | 118 × 35 in | 7.9 in suspension height | 0.79 in polyester wool 1.2 lb/ft³ | Sabins/unit27 | |
| Rg 2.5-16% | 118 × 35 in | 7.9 in suspension height | 7 pcs. polyester wool strips with 2400x50x25, 80 kg/m³; Schmöle acoustic guide profile 8 pipe rows, 110x3 in, 4.3 in grid, coverage ratio 62 % | Sabins/unit26 | |
| Rg 2.5-16% | 78 × 39 in | 4.1 in suspension height | 3.9 in mineral wool 3.1 lb/ft³ in PE film | Sabins/unit26 | |
| Rg 2.5-16% | 118 × 35 in | 7.9 in suspension height | 0.79 in polyester wool 1.2 lb/ft³ | Sabins/unit26 | |
| Rg 2.5-16% | 118 × 45 in | 7.9 in suspension height | without absorber layer; cooling coil reproduced 110x3 in, 12 pipe rows, 3.5 in grid, coverage ratio 73 % | Sabins/unit25 | |
| Rg 2.5-16% | 118 × 45 in | 7.9 in suspension height | without absorber layer; Schmöle WLP 12 pipe rows, coverage ratio 72 % | Sabins/unit25 | |
| Rv 1.6-20% | 78 × 39 in | 4.1 in suspension height | 3x polyester wool 1.2 lb/ft³, 40 + 30 + 1.2 in | Sabins/unit23 | |
| Rg 2.5-16% | 94 × 47 in | 7.9 in suspension height | without absorber layer; Temperon cooling coil, two 0.55 in distribution pipes, 14 1.1 in register pipes, coverage ratio 30 % | Sabins/unit22 | |
| Rg 2.5-16% | 118 × 35 in | 7.9 in suspension height | without absorber layer; Schmöle acoustic guide profile 6 pipe rows, coverage ratio 46 % | Sabins/unit22 | |
| Rg 2.5-16% | 118 × 35 in | 7.9 in suspension height | without absorber layer; Schmöle acoustic guide profile 10 pipe rows, coverage ratio 77 % | Sabins/unit22 | |
| Rg 2.5-16% | 94 × 47 in | 2 in suspension height | without absorber layer | Sabins/unit22 | |
| Rg 2.5-16% | 189 × 24 in | 7.9 in suspension height | without absorber layer | Sabins/unit20 | |
| Rg 2.5-16% | 94 × 47 in | 7.9 in suspension height | without absorber layer | Sabins/unit19 | |
| Rg 2.5-16% | 118 × 35 in | 7.9 in suspension height | without absorber layer; Schmöle WLP 3 pipe rows, 70x2.8, 7.9 in grid, coverage ratio 14 % | Sabins/unit19 | |
| Rv 1.6-20% | 94 × 47 in | 7.9 in suspension height | without absorber layer; Temperon cooling coil, two 0.55 in distribution pipes, 14 1.1 in register pipes, coverage ratio 30 % | Sabins/unit18 | |
| Rd 1.5-22% | 118 × 35 in | 7.9 in suspension height | without absorber layer; cooling coil 2260x75, 8 pipe rows, coverage ratio 50 % | Sabins/unit18 | |
| Rg 0.7-4% | 118 × 35 in | 7.9 in suspension height | without absorber layer; cooling coil 2260x75, 8 pipe rows, coverage ratio 50 % | Sabins/unit18 | |
| Smooth | 118 × 35 in | 7.9 in suspension height | 2 in polyester wool 2.5 lb/ft³ | Sabins/unit15 | |
| Rg 2.5-16% | 118 × 18 in | 7.9 in suspension height | without absorber layer; Schmöle acoustic guide profile 4 pipe rows, coverage ratio 62 % | Sabins/unit12 | |
| 22.0 x 12.0 x 2.0 x 1.5 | 118 × 35 in | 7.9 in suspension height | without absorber layer | Sabins/unit12 |
Test report: B105629/115
Institute: Müller-BBM Building Solutions
Dimensions: 39 sq ft
Test setup: 1.2 in mineral wool in PE 5 lb/ft³
Measured values as a table (46 measurements)
| Build-up | NRC | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rv 1.6-20% · 94 × 47 in · 7.9 in suspension height · without absorber layer; Temperon cooling coil, two 0.55 in distribution pipes, 14 1.1 in register pipes, coverage ratio 30 % · with acoustic fleece (sabins/unit) | – | 4.3 | 6.5 | 8.6 | 14 | 18 | 19 | 24 | 27 | 27 | 23 | 18 | 22 | 24 | 22 | 24 | 23 | 22 | 23 |
| Rg 2.5-16% · 94 × 47 in · 7.9 in suspension height · without absorber layer; Temperon cooling coil, two 0.55 in distribution pipes, 14 1.1 in register pipes, coverage ratio 30 % · with acoustic fleece (sabins/unit) | – | 5.4 | 7.5 | 9.7 | 16 | 22 | 22 | 26 | 28 | 29 | 26 | 22 | 24 | 25 | 24 | 25 | 23 | 23 | 23 |
| Rg 2.5-16% · 118 × 45 in · 7.9 in suspension height · without absorber layer; cooling coil reproduced 110x3 in, 12 pipe rows, 3.5 in grid, coverage ratio 73 % · with acoustic fleece (sabins/unit) | – | 5.4 | 8.6 | 20 | 18 | 24 | 25 | 27 | 27 | 27 | 25 | 25 | 25 | 23 | 23 | 19 | 17 | 15 | 13 |
| Rg 2.5-16% · 118 × 45 in · 7.9 in suspension height · 13 strips 2x2x118 in mineral wool 2.7 lb/ft³ in PE film, 3.5 in spacing, parallel to cooling coil, coverage ratio 57 %; cooling coil reproduced 110x3 in, 8 pipe rows, 5.7 in grid, coverage ratio 49 % · with acoustic fleece (sabins/unit) | – | 11 | 16 | 31 | 32 | 44 | 43 | 44 | 47 | 42 | 41 | 40 | 38 | 38 | 34 | 32 | 30 | 28 | 27 |
| Rv 1.6-20% · 94 × 47 in · 7.9 in suspension height · 2 in mineral wool 6.2 lb/ft³ in PE film · with acoustic fleece (sabins/unit) | – | 12 | 16 | 22 | 30 | 33 | 38 | 39 | 41 | 43 | 41 | 41 | 42 | 43 | 40 | 38 | 37 | 33 | 31 |
| Rv 1.6-20% · 94 × 47 in · 7.9 in suspension height · 2 in mineral wool 9.4 lb/ft³ in PE film · with acoustic fleece (sabins/unit) | – | 11 | 17 | 26 | 31 | 38 | 39 | 41 | 42 | 41 | 42 | 43 | 43 | 43 | 42 | 40 | 38 | 37 | 32 |
| Rg 2.5-16% · 94 × 47 in · 7.9 in suspension height · 2 in mineral wool 9.4 lb/ft³ in PE film · with acoustic fleece (sabins/unit) | – | 12 | 17 | 26 | 31 | 38 | 40 | 41 | 42 | 42 | 42 | 43 | 43 | 42 | 41 | 39 | 37 | 34 | 31 |
| Rg 2.5-16% · 94 × 47 in · 7.9 in suspension height · 2 in mineral wool 6.2 lb/ft³ in PE film · with acoustic fleece (sabins/unit) | – | 12 | 17 | 22 | 30 | 33 | 38 | 39 | 42 | 43 | 41 | 41 | 42 | 43 | 39 | 38 | 36 | 30 | 28 |
| Rg 2.5-16% · 118 × 45 in · 7.9 in suspension height · 13 strips 2x2x118 in mineral wool 2.7 lb/ft³ in PE film, 3.5 in spacing, parallel to cooling coil, coverage ratio 57 %; cooling coil mock-up 110x3 in, 12 pipe rows, 3.5 in grid, coverage ratio 73 % · with acoustic fleece (sabins/unit) | – | 8.6 | 19 | 31 | 31 | 39 | 38 | 37 | 39 | 37 | 34 | 32 | 30 | 30 | 27 | 25 | 23 | 20 | 19 |
| Rg 2.5-16% · 118 × 45 in · 7.9 in suspension height · 34 strips 2x2x45 in mineral wool 2.7 lb/ft³ in PE film, 3.5 in spacing, perpendicular to cooling coil, coverage ratio 57 %; cooling coil mock-up 110x3 in, 12 pipe rows, 3.5 in grid, coverage ratio 73 % · with acoustic fleece (sabins/unit) | – | 11 | 19 | 31 | 29 | 40 | 36 | 37 | 39 | 38 | 36 | 33 | 31 | 31 | 28 | 25 | 23 | 20 | 18 |
| Rg 2.5-16% · 118 × 45 in · 7.9 in suspension height · 2 in mineral wool 6.2 lb/ft³ in PE film; cooling coil mock-up 110x3 in, 12 pipe rows, 3.5 in grid, coverage ratio 73 % · with acoustic fleece (sabins/unit) | – | 14 | 25 | 33 | 36 | 42 | 38 | 39 | 40 | 38 | 36 | 33 | 32 | 32 | 29 | 26 | 24 | 22 | 19 |
| Rg 2.5-16% · 118 × 18 in · 7.9 in suspension height · without absorber layer; Schmöle acoustic guide profile 4 pipe rows, coverage ratio 62 % · with acoustic fleece (sabins/unit) | – | 2.2 | 3.2 | 4.3 | 9.7 | 11 | 15 | 14 | 15 | 15 | 13 | 12 | 14 | 13 | 12 | 11 | 9.7 | 8.6 | 7.5 |
| Rg 2.5-16% · 118 × 35 in · 7.9 in suspension height · 6 pcs 118 x 2 in mineral-wool strips 2 in wide 3.6 lb/ft³ in PE film; Schmöle acoustic guide profile 8 pipe rows, coverage ratio 62 % · with acoustic fleece (sabins/unit) | – | 5.4 | 9.7 | 13 | 19 | 26 | 32 | 37 | 40 | 36 | 32 | 34 | 36 | 32 | 31 | 29 | 27 | 25 | 24 |
| Rg 2.5-16% · 118 × 35 in · 7.9 in suspension height · without absorber layer; Schmöle acoustic guide profile 6 pipe rows, coverage ratio 46 % · with acoustic fleece (sabins/unit) | – | 2.2 | 6.5 | 7.5 | 15 | 18 | 24 | 26 | 29 | 27 | 23 | 22 | 25 | 24 | 23 | 23 | 20 | 18 | 16 |
| Rg 2.5-16% · 118 × 35 in · 7.9 in suspension height · without absorber layer; Schmöle acoustic guide profile 10 pipe rows, coverage ratio 77 % · with acoustic fleece (sabins/unit) | – | 4.3 | 7.5 | 7.5 | 15 | 19 | 25 | 27 | 29 | 26 | 23 | 22 | 25 | 23 | 22 | 22 | 18 | 17 | 15 |
| Rg 2.5-16% · 118 × 53 in · 7.9 in suspension height · without absorber layer; Schmöle acoustic guide profile 12 pipe rows, coverage ratio 62 % · with acoustic fleece (sabins/unit) | – | 7.5 | 8.6 | 13 | 23 | 28 | 33 | 37 | 40 | 39 | 34 | 31 | 36 | 33 | 31 | 30 | 28 | 25 | 22 |
| Rg 2.5-16% · 118 × 53 in · 16 in suspension height · without absorber layer; Schmöle acoustic guide profile 12 pipe rows, coverage ratio 62 % · with acoustic fleece (sabins/unit) | – | 9.7 | 13 | 24 | 30 | 34 | 38 | 33 | 30 | 34 | 38 | 36 | 37 | 37 | 34 | 34 | 31 | 28 | 27 |
| Rg 2.5-16% · 118 × 53 in · 16 in suspension height · 2 in mineral-wool strips 2 in wide 3.6 lb/ft³ in PE film; Schmöle acoustic guide profile 12 pipe rows, coverage ratio 62 % · with acoustic fleece (sabins/unit) | – | 11 | 18 | 27 | 36 | 40 | 43 | 39 | 42 | 50 | 52 | 53 | 54 | 52 | 48 | 47 | 45 | 42 | 38 |
| Rg 2.5-16% · 118 × 45 in · 7.9 in suspension height · without absorber layer; Schmöle acoustic guide profile 12 pipe rows, coverage ratio 72 % · with acoustic fleece (sabins/unit) | – | 4.3 | 7.5 | 11 | 17 | 23 | 29 | 32 | 33 | 32 | 30 | 27 | 29 | 28 | 26 | 26 | 23 | 22 | 20 |
| Rg 2.5-16% · 118 × 45 in · 7.9 in suspension height · without absorber layer; Schmöle WLP 12 pipe rows, coverage ratio 72 % · with acoustic fleece (sabins/unit) | – | 3.2 | 8.6 | 12 | 16 | 22 | 27 | 29 | 28 | 28 | 26 | 25 | 26 | 24 | 23 | 20 | 18 | 16 | 14 |
| Rg 2.5-16% · 94 × 47 in · 2 in suspension height · without absorber layer · with acoustic fleece (sabins/unit) | – | 2.2 | 3.2 | 2.2 | 3.2 | 3.2 | 5.4 | 6.5 | 9.7 | 13 | 18 | 22 | 25 | 27 | 28 | 28 | 25 | 19 | 17 |
| Rg 2.5-16% · 94 × 47 in · 7.9 in suspension height · without absorber layer · with acoustic fleece (sabins/unit) | – | 3.2 | 7.5 | 6.5 | 13 | 15 | 20 | 23 | 26 | 26 | 24 | 19 | 22 | 24 | 23 | 24 | 23 | 22 | 20 |
| Rg 2.5-16% · 189 × 24 in · 7.9 in suspension height · without absorber layer · with acoustic fleece (sabins/unit) | – | 2.2 | 5.4 | 11 | 15 | 18 | 20 | 26 | 28 | 28 | 24 | 20 | 24 | 26 | 25 | 25 | 24 | 23 | 22 |
| P30-System · 118 × 47 in · 7.9 in suspension height · 1.2 in mineral wool in PE 5 lb/ft³ · without fleece (sabins/unit) | – | 5.4 | 9.7 | 19 | 30 | 30 | 36 | 47 | 55 | 58 | 56 | 52 | 45 | 42 | 41 | 45 | 46 | 37 | 32 |
| P30-System · 118 × 47 in · 16 in suspension height · 1.2 in mineral wool in PE 5 lb/ft³ · without fleece (sabins/unit) | – | 5.4 | 11 | 27 | 32 | 30 | 34 | 44 | 48 | 58 | 62 | 57 | 50 | 46 | 48 | 52 | 54 | 43 | 37 |
| Rg 2.5-16% · 118 × 35 in · 7.9 in suspension height · without absorber layer; Schmöle WLP 3 pipe rows, 70x2.8, 7.9 in grid, coverage ratio 14 % · with acoustic fleece (sabins/unit) | – | 3.2 | 5.4 | 8.6 | 14 | 16 | 22 | 23 | 25 | 26 | 23 | 19 | 22 | 23 | 22 | 20 | 20 | 19 | 18 |
| Rg 2.5-16% · 118 × 35 in · 7.9 in suspension height · 7 pcs. polyester wool strips with 2400x50x25, 80 kg/m³; Schmöle acoustic guide profile 8 pipe rows, 110x3 in, 4.3 in grid, coverage ratio 62 % · with acoustic fleece (sabins/unit) | – | 3.2 | 7.5 | 13 | 18 | 20 | 27 | 30 | 32 | 32 | 29 | 26 | 29 | 28 | 28 | 27 | 26 | 25 | 24 |
| Rg 2.5-16% · 78 × 39 in · 4.1 in suspension height · 3.9 in mineral wool 3.1 lb/ft³ in PE film · with acoustic fleece (sabins/unit) | – | 9.7 | 13 | 20 | 24 | 29 | 28 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 23 | 23 | 22 | 22 |
| Rv 1.6-20% · 78 × 39 in · 4.1 in suspension height · 3x polyester wool 1.2 lb/ft³, 40 + 30 + 1.2 in · with acoustic fleece (sabins/unit) | – | 11 | 12 | 15 | 19 | 20 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 19 | 19 | 19 | 17 | 16 |
| Rg 2.5-16% · 118 × 53 in · 7.9 in suspension height · without absorber layer · with acoustic fleece (sabins/unit) | – | 3.2 | 7.5 | 12 | 18 | 24 | 29 | 34 | 38 | 39 | 33 | 28 | 32 | 36 | 33 | 36 | 34 | 33 | 31 |
| Rd 1.5-22% · 118 × 35 in · 7.9 in suspension height · 1.2 in mineral wool 1.2 lb/ft³ in PE film; cooling coil 89x3 in, 8 pipe rows, coverage ratio 50 % · without fleece (sabins/unit) | – | 2.2 | 5.4 | 11 | 16 | 22 | 29 | 33 | 34 | 36 | 36 | 36 | 34 | 31 | 29 | 26 | 25 | 23 | 22 |
| Rd 1.5-22% · 118 × 35 in · 7.9 in suspension height · 1.2 in mineral wool 1.6 lb/ft³ in PE film; cooling coil 89x3 in, 8 pipe rows, coverage ratio 50 % · with acoustic fleece (sabins/unit) | – | 6.5 | 12 | 20 | 24 | 28 | 32 | 37 | 38 | 39 | 37 | 37 | 36 | 33 | 30 | 27 | 26 | 25 | 25 |
| Rd 1.5-22% · 118 × 35 in · 7.9 in suspension height · without absorber layer; cooling coil 89x3 in, 8 pipe rows, coverage ratio 50 % · with acoustic fleece (sabins/unit) | – | 2.2 | 6.5 | 9.7 | 14 | 17 | 20 | 24 | 26 | 25 | 22 | 18 | 20 | 20 | 18 | 18 | 16 | 14 | 14 |
| Rd 1.8-21% · 118 × 35 in · 7.9 in suspension height · 1.2 in mineral wool 2.8 lb/ft³ in PE film; cooling coil 89x3 in, 8 pipe rows, coverage ratio 50 % · with acoustic fleece (sabins/unit) | – | 4.3 | 11 | 20 | 24 | 26 | 31 | 37 | 37 | 38 | 39 | 38 | 37 | 34 | 30 | 27 | 26 | 25 | 24 |
| Rd 1.5-22% · 118 × 35 in · 7.9 in suspension height · 1.2 in mineral wool 2.8 lb/ft³ in PE film; cooling coil 89x3 in, 8 pipe rows, coverage ratio 50 % · with acoustic fleece (sabins/unit) | – | 6.5 | 11 | 19 | 23 | 27 | 32 | 37 | 38 | 39 | 39 | 39 | 37 | 34 | 31 | 28 | 27 | 26 | 23 |
| 22.0 x 12.0 x 2.0 x 1.5 · 118 × 35 in · 7.9 in suspension height · 0.79 in polyester wool 1.2 lb/ft³ · without fleece (sabins/unit) | – | 2.2 | 5.4 | 5.4 | 9.7 | 13 | 20 | 23 | 28 | 30 | 28 | 27 | 28 | 32 | 31 | 31 | 31 | 32 | 31 |
| 22.0 x 12.0 x 2.0 x 1.5 · 118 × 53 in · 7.9 in suspension height · 0.79 in polyester wool 1.2 lb/ft³ · without fleece (sabins/unit) | – | 4.3 | 6.5 | 9.7 | 15 | 19 | 28 | 33 | 39 | 42 | 40 | 38 | 41 | 46 | 43 | 45 | 45 | 46 | 45 |
| 22.0 x 12.0 x 2.0 x 1.5 · 118 × 35 in · 16 in suspension height · 0.79 in polyester wool 1.2 lb/ft³ · without fleece (sabins/unit) | – | 3.2 | 7.5 | 11 | 16 | 18 | 23 | 19 | 18 | 23 | 28 | 29 | 32 | 33 | 34 | 34 | 34 | 36 | 36 |
| Rg 0.7-4% · 118 × 35 in · 7.9 in suspension height · 1.2 in mineral wool 2.8 lb/ft³ in PE film; cooling coil 89x3 in, 8 pipe rows, coverage ratio 50 % · with acoustic fleece (sabins/unit) | – | 6.5 | 13 | 25 | 24 | 27 | 30 | 36 | 36 | 34 | 34 | 34 | 31 | 30 | 26 | 24 | 22 | 22 | 19 |
| Rg 0.7-4% · 118 × 35 in · 7.9 in suspension height · without absorber layer; cooling coil 89x3 in, 8 pipe rows, coverage ratio 50 % · with acoustic fleece (sabins/unit) | – | 3.2 | 7.5 | 12 | 16 | 17 | 22 | 23 | 24 | 23 | 19 | 18 | 19 | 19 | 17 | 16 | 14 | 12 | 12 |
| Smooth · 118 × 35 in · 7.9 in suspension height · 2 in polyester wool 2.5 lb/ft³ · without fleece (sabins/unit) | – | 6.5 | 13 | 20 | 22 | 24 | 26 | 24 | 23 | 20 | 18 | 15 | 16 | 15 | 13 | 12 | 11 | 11 | 11 |
| Rg 2.5-16% · 118 × 35 in · 7.9 in suspension height · 0.79 in polyester wool 1.2 lb/ft³ · without fleece (sabins/unit) | – | 3.2 | 4.3 | 6.5 | 9.7 | 13 | 20 | 23 | 27 | 29 | 27 | 26 | 30 | 32 | 32 | 32 | 31 | 31 | 31 |
| Rg 2.5-16% · 118 × 35 in · 24 in suspension height · 0.79 in polyester wool 1.2 lb/ft³ · without fleece (sabins/unit) | – | 4.3 | 9.7 | 13 | 16 | 15 | 15 | 17 | 23 | 24 | 28 | 30 | 34 | 37 | 37 | 37 | 37 | 40 | 38 |
| Rg 2.5-16% · 118 × 35 in · 31 in suspension height · 0.79 in polyester wool 1.2 lb/ft³ · without fleece (sabins/unit) | – | 4.3 | 9.7 | 13 | 13 | 12 | 16 | 16 | 20 | 25 | 28 | 30 | 33 | 37 | 36 | 37 | 37 | 39 | 38 |
| Rg 2.5-16% · 118 × 35 in · 16 in suspension height · 0.79 in polyester wool 1.2 lb/ft³ · without fleece (sabins/unit) | – | 4.3 | 8.6 | 12 | 16 | 18 | 22 | 18 | 18 | 24 | 28 | 29 | 32 | 34 | 33 | 36 | 36 | 38 | 34 |
| 22.0 x 12.0 x 2.0 x 1.5 · 118 × 35 in · 7.9 in suspension height · without absorber layer · with acoustic fleece (sabins/unit) | – | 2.2 | 3.2 | 5.4 | 7.5 | 9.7 | 15 | 16 | 19 | 19 | 16 | 12 | 16 | 16 | 14 | 16 | 17 | 17 | 15 |
Measured values as a table (46 measurements)
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