Retro Duo
A wide seam-look panel offers an alternative to metal tile sheets. It can be assessed for roofs or cladding, depending on substrate and details.
Request configuration ↗CHOOSE A SYSTEM
BILKA CRAIOVA / BILKA systems
Retro Duo BILKA in Craiova
Seam-look roofing available in Retro Duo and Micro-Ribs versions.
BILKA / RETRO DUO
TECHNICAL ILLUSTRATIONVisual created for this local presentation
WIDE PANEL · EASY INSTALLATION
Retro Duo
A linear-looking system related to Retro Panel, but with wider sheets and installation closer to metal tiles. It can also be used for façade cladding.
1065 mmeffective width
25 mmheight
0,5–7 mlength
10° / 15°minimum pitch
01 / VARIANTS
Compare the available options.
The final variant is confirmed after survey, pitch, build-up and installation details.
Retro Duo Micro-Ribs
Micro-ribs add texture to the Retro Duo surface. Compare it with the standard version on samples and against the building façade.
Request configuration ↗02 / CHARACTERISTICS
Dimensions and technical specifications.
Values are indicative for the family shown; the data sheet and certificate applicable to the order take precedence.
MaterialSteel sheet galvanised on both sides and protected with polyester
Nominal thickness0,45–0,70 mm
Total width1100 mm
Effective width1065 mm
Height25 mm
Weight4–5 kg/m²
Panel length500–7000 mm
Minimum pitch10° without diagonal joints / 15° with joints
Estimated service lifeup to 60 years
03 / FINISHES & WARRANTY
10 · 15 · 30
Gloss, Matt and GrandeMat carry different warranty levels for colour and corrosion performance, according to the BILKA certificate and ordered configuration.
Gloss
Matt
GrandeMat
04 / WHY IT MATTERS
The system should be planned as a whole.
No extra seaming
Designed for fast installation with a logic closer to metal tiles.
Roof or façade
Can continue the same visual language from roof to selected façade areas.
Rigidity
Longitudinal lines and micro-rib variants contribute to panel rigidity.
05 / DOWNLOADS
Data sheets, guides and certificates.
PDF data sheets and guides, available right here.
INSTALLATION GUIDERetro DuoPDF · Open document↓ACCESSORIES GUIDERetro DuoPDF · Open document↓CATALOGUEBILKA residential cataloguePDF · Open document↓WARRANTYBILKA warranty certificatePDF · Open document↓GUIDEHow to choose your roofPDF · Open document↓
BILKA is the manufacturer brand. Documentation and warranties are issued by the manufacturer; the applicable conditions are those in the valid document at the time of order.
YOUR PROJECT
We help you choose the right option.
Send dimensions, photos or a plan. We return with a coherent configuration, not a generic product list.
MANUFACTURER CATALOGUE RANGE
Models and components.
Choose the configuration that fits your project. Availability and lead time are confirmed before ordering.
RESIDENTIAL PROJECT
Retro Duo
A wide seam-look panel offers an alternative to metal tile sheets. It can be assessed for roofs or cladding, depending on substrate and details.
Details and quotation ↗RESIDENTIAL PROJECT
Retro Duo Micro-Ribs
Micro-ribs add texture to the Retro Duo surface. Compare it with the standard version on samples and against the building façade.
Details and quotation ↗Range checked on 2026-10-12 · Official BILKA catalogue ↗