
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
For Your Every Summer RSVP, with Code: SUMMER15
Description
Sigma 3 x 1.4 ft. Automatic Roof VentSupercharge your Sigma Greenhouse with the Sigma Automatic Roof Vent. Improve air circulation by bringing in the fresh outside breeze, keeping your plants healthy and disease free. The automatic roof vent is heat activated, which requires no electrical power or programming. This function ensures that hot air escapes during the day, preventing shriveling or withering of your plants. Sigma Automatic Roof Vent Features: Made from galvanized steel and
Supercharge your Sigma Greenhouse with the Sigma Automatic Roof Vent. Improve air circulation by bringing in the fresh outside breeze, keeping your plants healthy and disease-free.
The automatic roof vent is heat-activated, which requires no electrical power or programming. This function ensures that hot air escapes during the day, preventing shriveling or withering of your plants.
Sigma Automatic Roof Vent Features:
- Made from galvanized steel and polycarbonate for long-lasting durability
- Automatic, heat-activated opening
- Rust-resistant and low maintenance year-round.
- Simple design for fast and easy installation.
- 3′ × 1.4′ size
Please note: this window only fits Sigma Greenhouse models.
Additional Information:
Sigma Roof Vent Installation Manual (PDF)
The number of windows recommended depends on the size of the greenhouse, the environment you’re located, and the types of plants that you’re planning on growing. The following numbers, however, are good a starting point:
- Sigma Urban (10x13): 2-4 windows
- Sigma 20 (10x19.5): 4-6 windows
- Sigma 26 (10x26): 6 windows
- Sigma 32 (10x32): 6-8 windows
It's recommended to install an even number of roof vents on either side of the greenhouse for optimum airflow.
Technical data:
- Size: 3 ft wide by 1.4 ft tall (91.4 cm by 42.6 cm)
- Maximum window opening: approximately 45cm (17 23/32 in) depending on adjustment and load
- Start opening temperature: 17 °C-25°C (62,60°F-77°F)
- Maximum opening temperature: 30 °C (86°F)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy