Product Description
The Sawtooth greenhouse created by Sainpoly saves costs and is easy to use. The combination of hot-dip galvanized light steel structure and high-strength anti-aging agricultural film is adopted, with a serrated asymmetric streamline design in appearance. The overall structure is simple and has strong snow and wind resistance. For different planting needs, composite structures such as single-layer film, double-layer film, or pure insect proof net can be used.
Our film adopts a new domestic technology, which extends its service life by 2-4 years compared to ordinary films. The product is widely used in various planting scenarios such as vegetable planting, fruit planting, seedling hydroponics, etc. It can be flexibly matched with heating or cooling systems according to different environments. We support one-stop service from design, installation to delivery and after-sales.
Product Advantages
The structure is sturdy and elastic: The main frame of the Sawtooth greenhouse is made of Q235B and above grade steel, which has been hot-dip galvanized. The thickness of the galvanized layer is much higher than that of ordinary steel, and it can withstand large weights, ensuring a service life of over 15 years.
Multiple Coverage: The Sawtooth greenhouse film can be selected with a double-layer or single-layer structure, with a light transmittance of over 90%. The double-layer film insulation performance can be improved by 30%, making it suitable for mass production under various climatic conditions.
Intelligent environmental control: The Sawtooth greenhouse can be equipped with various built-in systems such as electric film rolling system, wet curtain fan cooling system, external shading net, internal insulation system, and IoT intelligent control cabinet, and supports remote control on mobile phones or PCs.
Factory direct supply: 90% self-produced rate, CE certification, 15 patents, strict three inspection system, zero defects at the factory.Precision production of high-end equipment.
Customized services: We provide customized services for climate data collection, structural strength verification, foundation design, environmental control selection, irrigation schemes, and supplementary lighting systems at the project site. We also provide installation drawings and engineer installation guidance.
Technical Specifications
| Parameter item | Standard Configuration | Optional Upgrade |
| Span | 8m,9.6m | Support for customization of various lengths |
| Bay | 4m | Support for customization of various lengths |
| Eave height | 3m,4m,6m | Support for customization of various heights |
| Top Covering | PO film | PE film, PEP film, woven film |
| Side Covering | PO film | PE film, PEP film, woven film |
| Frame Galvanizing Layer | ≥180g/m2 | ≥275g/㎡ galvanized followed by spray coating process |
| Snow Load Resistance | 0.26kN/m2 | 0.2~0.8kN/m2 |
| Wind Load Resistance | 0.28kN/m2 | 0.2~0.8kN/m2 |
| External Shading Screen | Electric black round wire mesh | Customizable with different shading rates |
| Internal Shading Screen | Electric aluminum foil reflective mesh | Customizable with different shading rates |
| Insulation Curtain | Oxford cloth+cotton+Oxford cloth | Upgradeable waterproof surface/Upgradeable foldiable thermal insulation quilt/Upgradeable double-layer inflatable film insulation |
| Heating System | Ordinary boiler heating | Finned tubes,warm air blowers, snow melting pipes/ Electric warm air blowers, fuel warm air blowers |
| Roof Ventilation Method | Electric film rolling window | Single and double-sided rack-and-pinion top windows |
| Side Ventilation Method | Electric film rolling window | Fan-pad forced ventilation |
| Control System | Manual electrical control cabinet | IoT intelligent automatic electrical control cabinet Optional mobile online control |
Application and Solutions
Extremely cold in winter,conventional greenhouse vegetable crops will experience irreversible freezing damage.
Avoid freezing
Vegetables are prone to freezing damage in ordinary greenhouses when the temperature is above -25 ℃. The Sawtooth greenhouse adopts a double-layer inflatable film structure, forming an air insulation layer in the middle, which can increase the insulation rate by more than 30%. It is also equipped with an internal insulation system and heating interface to effectively prevent vegetables from freezing to death.
Custom Commercial
Greenhouse Services
As the source production factory, we provide flexible fully customized services:
SAINPOLY Full-Service Support
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