Ordering roof penetrations: What B2B customers should consider
For installation companies, wholesalers, and roofers, the procurement of roof penetrations is a recurring process. To ensure a smooth order and that the material fits the project, there are a few points to consider.
1. Determine the right type
Before ordering, it should be clear which variant is needed. The selection depends on the number of solar cables and the need for grounding:
- 2 PV / 2 PV+PE: Ideal for small systems or single strings.
- 4 PV / 4 PV+PE: Standard for single-family homes with medium system size.
- 6 PV / 6 PV+PE: For larger systems with multiple strings.
The PE variants offer an additional opening for the grounding cable and eliminate the need for a separate penetration.
2. Choose the appropriate length
NEXCAPE penetrations are available in three lengths: 105 mm, 125 mm, and 150 mm. The correct length depends on the roof structure. In case of doubt, we recommend the medium variant of 125 mm, which fits most standard roof coverings.
3. Take advantage of quantity discounts
From an order quantity of 20 pieces, NEXCAPE offers attractive quantity discounts to B2B customers. For larger projects or regular demand, a bulk order is worthwhile, even with mixed variants.
4. Check material and quality
NEXCAPE roof penetrations are made of TPU (Thermoplastic Polyurethane) and are manufactured by 3D printing in Germany. This guarantees consistent quality, UV resistance, and permanent elasticity. "Made in Germany" is not just marketing here, but a production standard.
5. Ordering process
The ordering process via the NEXCAPE online shop is straightforward. Select variant and length, enter quantity, order. For questions about large orders or individual conditions, customer service is available.
Checklist for B2B orders
- Determine the number of cable pairs per project
- Clarify grounding requirements (PE variant yes/no)
- Measure roof structure and determine length
- Bundle total demand across multiple projects
- Take advantage of quantity discount from 20 pieces
Place your B2B order now: to the TPU roof penetrations for solar cables
