Request offer 
Retro Duo
Retro Duo Micro-Ribs
Retro Duo
The RetroDuo and RetroDuo micro-ribs roof coverings are one of the newest solutions available for roofs, successfully combining into one product the expectations of both clients, architects, and fitters. RetroDuo and RetroDuo micro-ribs are innovative products, specially designed to mix the aesthetics of the Retro Panel roof cover with an installation similar to the one for metal roof tiles.
These types of metal coverings have an elegant, modern and distinguished look, being suitable both for new houses and for renovated houses with a desire to maintain the traditional style. They can be used both for the roof and for plating the facades of residential or commercial buildings.
Advantages:
- Low purchase and fitting costs compared to other similar products
- Easy fitting, which does not require additional folding
- It can be used both as a roof and for plating the facades of residential or commercial buildings.
- The longitudinal lines on the surface of its profile ensure additional rigidity for the metal panels
- Suitable for heritage buildings
- Wide range of colors
Retro Duo
Technical characteristics
| Material | Steel sheet, galvanized on both sides, protected with polyester |
| Nominal thickness | 0,45 - 0,7 mm |
| Total width | 1100 mm |
| Effective coverage width | 1065 mm |
| Rebate height | 25 mm |
| Weight per area | 4 - 5 kg/m² |
| Sheet plates length | 500 - 7000 mm |
| Minimum slope | 10⁰ if diagonal joints are necessary/ 15 ° in the case of diagonal joints |
| Glossy finish warranty | 10-year warranty for color characteristics and corrosion |
| Matte finish warranty | 15-year warranty for color characteristics and corrosion |
| GrandeMat finish warranty | 30-year warranty for color characteristics and corrosion |
| Expected lifespan | 60 years for the roof, resistance to temperature changes |
RetroDuo
RetroDuo micro-ribs
Data sheet
Roof accessories guide
Handling, storage conditions
Warranty certificate
How to choose your roof
Color range
Glossy Finish
10-year warranty
Color and corrosion
3000
3005
3009
3011
5010
6005
7016
7024
8003
8004
8017
9002
9005
9006
Matte Finish
15-year warranty
Color and corrosion
3005
3009
6005
6020
7016
7024
8004
8017
8019
9005
GrandeMat Finish
30-year warranty
Color and corrosion
3005
3011
6005
7011
7024
8004
8017
8019
9005
*Colours may appear differently on different screens. If in doubt, please ask a BILKA representative to show you the color chart.