dott.gallina ArcoPlus 684 Multiwall Polycarbonate Roofing System

dott.gallina ArcoPlus 684 – Multiwall Polycarbonate Roofing System

Standing Seam Connection | 90% Heat Block | 15-Year Warranty

If you're looking for a polycarbonate roofing system that floods your space with soft, diffused light while blocking the majority of summer heat, the dott.gallina ArcoPlus 684 is the premium solution. Featuring a special IR-blocking co-extrusion treatment, it reduces heat gain by up to 90% while maintaining 20% light transmission — perfect for pergolas, patios, verandas, and curved skylights.

With more than 50 years of Italian engineering behind it, ArcoPlus 684 is a 4-wall co-extruded multiwall polycarbonate panel system with a snap-fit standing seam connection — making it one of the most durable, watertight, and installer-friendly roofing systems available in Australia.

Specifications

• Material: Polycarbonate resin with co-extruded UV & IR coating
• Thickness: 8mm
• Width: 600mm per panel
• Structure: 4-wall multiwall polycarbonate
• Max Length: 12m (cut to size from 1m)
• Colour: Translucent opal (light diffused)
• Light Transmission: ~20%
• Heat Reduction: Up to 90%
• Thermal Insulation (U-Value): 3.3 W/m²K
• Minimum Roof Slope: 5%
• Minimum Bend Radius: 2.0m (plastic connectors) / 3.0m (aluminium connectors)
• Warranty: 15 years

Key Advantages

• ✔ Blocks 90% of heat — IR-blocking co-extrusion keeps interiors cool in summer
• ✔ 20% soft, diffused light transmission — eliminates harsh glare
• ✔ 100% leak-proof — standing seam snap-fit connection ensures watertight joints
• ✔ Excellent thermal insulation — U-value 3.3 W/m²K (comparable to double-glazed windows at 2.8 W/m²K)
• ✔ Unique Microcell Technology — up to 10× more cells than twin wall polycarbonate for superior insulation
• ✔ UV & hail resistant — 15-year warranty backed by proven Italian engineering
• ✔ Cold-bendable on-site — no thermoforming required for curved installations
• ✔ Super lightweight — easy to handle and install
• ✔ Fully recyclable — environmentally responsible choice
• ✔ Made in Italy — 50+ years of dott.gallina manufacturing expertise

Applications

• ✅ Pergola roofing — the #1 choice for residential pergola covers
• ✅ Skylights — curved and flat skylight applications
• ✅ Patio & alfresco covers
• ✅ Flyover patios
• ✅ Verandas & awnings
• ✅ Pool enclosures
• ✅ Vertical windows & façades

For flat sheet roofing applications, also consider our twin wall polycarbonate sheets or our full range of polycarbonate roofing sheets.

What’s Included

ExcelitePlas supplies the complete ArcoPlus 684 system, including all accessories:

• Multiwall polycarbonate panels (cut to your required length)
• Plastic or aluminium snap-fit connectors / joining strips
• Starter and finisher profiles
• End caps and edge closures
• F-closure for cut edges
• Steel fasteners
• Aluminium end seals

Need help specifying the right accessories? Contact our team for a project quote.

Why Choose dott.gallina ArcoPlus 684?

dott.gallina is an Italian manufacturer with over 50 years of experience producing premium multiwall polycarbonate roofing systems. The ArcoPlus 684 is their flagship modular roofing panel, trusted by builders, architects, and homeowners across Australia and Europe for its performance, longevity, and ease of installation.

Learn more about polycarbonate material properties and why it outperforms glass and acrylic in roofing applications.

Frequently Asked Questions

1. How many years warranty does the ArcoPlus 684 roofing system offer?
The dott.gallina ArcoPlus 684 carries a 15-year warranty, backed by its UV-protective co-extrusion coating and IR-blocking treatment that keeps surface temperatures significantly lower than standard polycarbonate.

2. What accessories are included?
The system includes polycarbonate panels, plastic or aluminium connectors, starter/finisher profiles, end caps, edge closures, steel fasteners, and aluminium end seals. ExcelitePlas supplies the complete system — contact us for a full quote.

3. What is the lead time?
Typically 2–3 business days from payment confirmation. Same-day dispatch may be available for standard lengths — contact our team to confirm availability.

4. Can ArcoPlus 684 panels be bent for curved roofs?
Yes. Panels can be cold-bent on-site without thermoforming. Minimum bend radius is 2.0m with plastic connectors and 3.0m with aluminium connectors. Read more about bending polycarbonate sheets.

5. Will this roofing get too hot in summer?
No. The IR-blocking co-extrusion reduces heat gain by up to 90%, making it one of the coolest polycarbonate roofing options available. Read our guide: Will polycarbonate patio and pergola roofing be too hot in summer?

6. Do you offer onsite installation?
Yes. ExcelitePlas has an installation team available for onsite quotes and professional installation. Contact us to arrange a consultation.

7. How does ArcoPlus 684 compare to twin wall polycarbonate?
ArcoPlus 684 has up to 10× more cells than standard twin wall polycarbonate, delivering superior thermal insulation, better heat blocking, and a more rigid, watertight panel system with a professional standing seam finish.

8. Is a sample available before ordering?
Yes — select the Sample Order option above to receive a physical sample before committing to a full order.