Available Colours & Profiles
Dualroof is available with a clear or opal top sheet, and a clear bottom sheet. Other colours can be
produced to order, for viable quantities.
Dualroof is compatible with most current commercial roofing profiles such as BB900, Steelspan, Topspan,
DP955, Maxispan Multirib, ST900, Multispan and ST963 etc, plus most superseded profiles.
Light & Heat Transmission
When compared to other skylight products, Ampelite Dualroof displays superior thermal properties.
Please refer to the tables below.
| FIBREGLASS DUALROOF SYSTEMS (1800gsm-1.1mm) |
| COLOUR |
CLEAR
| OPAL |
| TRANSMISSION |
Light |
Heat |
Light |
Heat |
| DR-TW2 |
65% |
62% |
49% |
46% |
| DR-TW5 |
52% |
48% |
40% |
20% |
Spanning Capacity
| FIBREGLASS DUALROOF SYSTEMS |
| SYSTEMS |
1.55KPA |
DRAPE CURVE RADIUS |
|
1.1 1800 |
1.4 2400 |
1.7 3050 |
2.2 3660 |
1.1 1800 |
1.4 2400 |
| DR-TW2 |
1600 |
1800 |
2000 |
2300 |
16m |
18m |
| DR-TW5 |
1600 |
1800 |
2000 |
2300 |
16m |
18m |
For information regarding recommended spans in high wind and cyclonic regions,
please contact your local Ampelite office.
Sheeting Grades & Thickness
| Series |
Weight (Kg/m²) |
Thickness |
| 1800 |
1.8 |
1.1mm |
| 2400 |
2.4 |
1.4mm |
| 3050 |
3.05 |
1.7mm |
| 3660 |
3.66 |
2.0mm |
| 4270 |
4.27 |
2.3mm |
| 4880 |
4.88 |
2.6mm |
Expansion Data
| Material |
Thermal Expansion |
Thermal Co-efficient |
| Materials Expansion Comparison. 0° to 40° Temperature Variation. Sheet Length 6 metres. |
| Fiberglass |
7.2mm |
3.0 x 10-5 cm/cm°C |
| Polycarbonate |
16.2mm |
6.75 x 10-5 cm/cm°C |
| Steel |
2.9mm |
1.2 x 10-5 cm/cm°C |
| Aluminium |
5.8mm |
2.4 x 10-5 cm/cm°C |
Physical Properties
| Tensile Strength |
80 Mpa |
| Impact Strength |
8 Joules |
| Shear Strength |
90 Mpa |
| Modulus of Elasticity |
5,500 Mpa |
| Compressive Strength |
135 Mpa |
| Specific Gravity |
1.45 |
| Thermal Expansion |
3.0 x 10exp-5 cm/degC |
| Water Absorbtion |
0.2% in 24hrs/26 degC |
Recommended Service
Temperature Range |
-20 deg to +95 deg |
Insulation Value = R
| DR PREMIUM - 2 WALL |
0.30 m2 .k/w |
| DR PREMIUM - 5 WALL |
0.56 m2 .k/w |
| * R-value Calculated to NZS 4214 - 2006 |
