Two products keep reappearing when it comes to PV roof penetrations: NEXCAPE and Klöber Venduct Solar. But which solution offers the better value for money?
Price Comparison: Factor 3 to 10
NEXCAPE: €5–€25 per piece vs. Klöber Venduct: €53–€65. For 4-6 penetrations per system, the difference adds up to several hundred euros.
Installation: Tool-free vs. Lead Apron
NEXCAPE: Under 2 minutes, tool-free, no MC4 removal necessary. Cables are fed through with connectors attached.
Klöber Venduct: 5-10 minutes, lead apron must be adjusted, MC4 connectors usually need to be disconnected.
Material
NEXCAPE: TPU (Thermoplastic Polyurethane) via 3D printing. Flexible, UV-resistant, Made in Germany. For 2 strings + grounding and 4 strings + grounding in 105mm, 125mm, 150mm.
Klöber: Polypropylene + lead apron. Proven, but heavier and more expensive.
Comparison Table
| Criterion | NEXCAPE | Klöber Venduct |
|---|---|---|
| Price | €5–€25 | €53–€65 |
| Installation Time | Under 2 Min | 5–10 Min |
| MC4 Removal | No | Yes |
| Tools | No | Yes |
| Material | TPU (3D Print) | PP + Lead |
| Fit | Format-specific | Universal |
| Ideal for | Standard Tiles | Special Formats |
Honest Recommendation
NEXCAPE for common standard tiles — cheaper, faster, no MC4 removal. Klöber Venduct for rare special formats where universality is more important than price.












