The acoustic RoofDek product range is available with perforated webs to provide acoustic absorption. Two different open area percentage figures are in general use. The percentage of exposed area is the open area divided by the exposed area of steel following around the profiles. The percentage of cover area is the open area divided by the plan area of the soffit.
Description
Offering a range of tried and tested acoustic profiles which achieve various sound absorption ratings from A–D.
All RoofDek perforated decking provides excellent sound absorption characteristics.
D46 perforating information
Perforating pattern 4546 4.5mm holes at 6.3mm triangular centres. Pattern open area 46.0%.
Web perforated RoofDek D46 provides an open area 10.7% of exposed area, or 13.0% of the cover area.
| Specifications | ||||||||
|---|---|---|---|---|---|---|---|---|
| Profile | Material | Gauge and finish (mm) | Weight (kg/m2) | Load/Span maximum single span (mm) | Load/Span maximum double span (mm) | Minimum self curve (m) | Minimum Factory curve (mm) | Cantilever (mm) |
| D46 perforated profile | Steel | 0.70 Interior Liner & Galvatite | 6.49 | 1614 | 2152 | 55 | 400 | 475 |
| Steel | 0.90 Interior Liner & Galvatite | 8.35 | 2667 | 3003 | 65 | 400 | 550 | |
| Steel | 1.20 Interior Liner & Galvatite | 11.15 | 2959 | 3874 | 75 | - | 600 | |
| Aluminium | 0.90 Stucco | 2.89 | 1202* | 1602 | 55 | 400 | 325 | |
| Aluminium | 1.20 Mill | 3.86 | 2037 | 2441 | 65 | - | 400 | |
Notes
1. Aluminium profiles are subject to minimum order quantities.
2. Calculations accord to Eurocode, however a fixings check is also required.
3. Load table is based on the deck bearing onto 100mm min flange steel beam.
4. The Interior Liner colour on D135, D153 & D200 is RAL 9002.
RAL 9001 is available upon specific request.




























