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Velux ZTF 14 in. x 12 ft Flexible Sun Tunnel Extension Tunnel
Regular price $79.00Orders start at $399 — combine any items to reach the minimum. Learn more
Velux ZTF 14 in. x 12 ft Flexible Sun Tunnel Extension Tunnel
The Velux ZTF-014-0012 is a 12 ft flexible tunnel for 14 in. Velux Sun Tunnel tubular skylights, used to extend the light tube through attic spaces to the ceiling. Each order unit is one piece. It pairs with a matching 14 in. Sun Tunnel skylight and ceiling diffuser assembly.
Key Features:
- Flexible tube: The flexible design routes around framing obstructions in the attic.
- 12 ft length: Provides 12 ft of tunnel length to reach interior ceiling locations.
- 14 in. size: Sized for the 14 in. Sun Tunnel product family.
- Sun Tunnel system: Manufactured by Velux as a Sun Tunnel component.
- Sold per piece: One order unit is a single tunnel piece.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | VELUX |
| Sell unit | 1 piece |
| Product line | Velux ZTF Flex Tunnel |
| Available sizes | 14 in. diameter x 12 ft length (ZTF-014-0012) |
| Material | Flexible tunnel material |
| Intended use | Extension tunnel for Sun Tunnel tubular skylights |
Fit and Compatibility:
Made for Velux 14 in. Sun Tunnel skylights; requires the Sun Tunnel dome assembly and ceiling diffuser kit, sold separately. Flexible tunnels reduce light output versus rigid tunnels on long runs.
Frequently Asked Questions (FAQ):
Q: What is included?
A: One 12 ft flexible tunnel piece sized for 14 in. Sun Tunnel skylights.
Q: What does it connect to?
A: It connects between a 14 in. Sun Tunnel roof dome assembly and the ceiling diffuser assembly.
Q: How long is the tunnel?
A: The ZTF-014-0012 provides 12 ft of flexible tunnel.
Q: Is a rigid tunnel better?
A: Rigid tunnels generally deliver more light on long or angled runs; flexible tunnels are easier to route around obstructions.
Q: Is there a warranty?
A: No warranty terms are stated in the available product information.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Keep flexible tunnel runs as short and straight as possible because each bend reduces delivered light; use this 12 ft section only when the attic geometry demands it. Pair it with the matching 14 in. Sun Tunnel dome and diffuser so diameters align at both connections.
When routing tunnel through the attic, maintain required clearances from heat sources and follow the manufacturer's installation instructions.
Order the Velux ZTF 14 in. x 12 ft flexible tunnel to complete your Sun Tunnel daylighting run.
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