Diffused Light Properties of Glass, SolaWrap, and 6 Mil Poly Film

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Diffusion of Light within Your Greenhouse.

In the intricate world of greenhouse horticulture, the choice of covering material plays a pivotal role in shaping the growth and vitality of your plants. Among the array of options available, three contenders stand out: glass, SolaWrap, and 6 mil poly film. Each has its own set of attributes that can impact the diffusion of light within your greenhouse. This blog post dives into the distinctive properties of these materials, offering insights into how they influence the diffusion of light and, in turn, plant growth.

The Quest for Optimal Diffused Light

Diffused light, a term that has gained prominence in modern horticulture, refers to the scattering and even distribution of sunlight. Achieving a balanced diffusion of light can prevent direct light and hotspots, promoting uniform plant growth, and potentially boosting yields.


  • Diffusion: Traditional glass coverings offer limited natural diffusion due to their smooth surfaces. Light penetrates directly, potentially creating uneven light distribution.
  • Light Quality: The quality of diffused light is limited unless additional diffusing coatings or treatments are applied. Hotspots may arise from direct sunlight.
  • Heat Transmission: Glass can trap heat, raising greenhouse temperatures and increasing the risk of heat stress.
  • UV Transmission: Depending on the glass type, UV light filtering might impact plant development.
  • Durability: Glass is rigid and prone to breakage upon impact, requiring maintenance.


  • Diffusion: SolaWrap, with its innovative bubble design, excels in providing even diffusion. Bubbles scatter light uniformly, reducing direct light and creating an optimal growth environment.
  • Light Quality: The bubbles refract and scatter sunlight, enhancing light quality for plants, promoting uniform growth, and minimizing uneven intensity.
  • Heat Transmission: SolaWrap's insulation properties maintain stable temperatures, reducing the risk of heat buildup.
  • UV Transmission: SolaWrap is designed for optimal UV transmission, fostering healthy plant development.
  • Durability: Highly durable and flexible, SolaWrap can withstand impacts and extreme weather conditions.

6 Mil Poly Film:

  • Diffusion: Poly film offers some diffusion due to its semi-translucent nature, but the effect might not be as consistent as specialized materials.
  • Light Quality: While light passes through, it still leads to variable intensity within the greenhouse, resulting in less consistent growth.
  • Heat Transmission: Poly film's heat retention can result in temperature fluctuations and potential heat stress.
  • UV Transmission: The UV transmission of poly film varies, which could impact plant growth depending on the specific film type.
  • Durability: Lightweight and less durable, poly film may require more frequent replacement due to wear and tear.


Choosing the right covering material for your greenhouse involves a thoughtful evaluation of the diffused light properties each option offers. Glass, SolaWrap, and 6 mil poly film each present distinct attributes that can impact the growth, yield, and health of your plants. Among these options, SolaWrap emerges as a frontrunner, offering advanced diffusion capabilities, even light distribution, insulation properties, optimal UV transmission, and exceptional durability. As you navigate the realm of greenhouse coverings, remember that diffused light is not just an illumination—it's a key factor in nurturing flourishing plant ecosystems.

 #GreenhouseCovering  #PlantOptimization #DiffusedLight

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