Plastic Greenhouses – An excellent way to grow your plants

They are mostly used in colder countries and play a crucial role in supporting the greener environment. How they function? They typically act by diverging transparency of glass to solar and thermal radiation. All of us know that glass is transparent to most of the wavelengths of solar radiation, but thicker to much longer thermal infrared wavelengths released by plants and soil inside the greenhouse In a plastic greenhouse, solar radiation enters and helps the plants absorb it get enough heat for their growth. The longer thermal wavelengths released by the heated plants cannot get out through the glass so heat keeps building up.

There are primarily two types of plastic greenhouses available in the market nowadays – polycarbonate panels and polyethylene covers. Each type has its pros and cons, and one can easily see the difference in quality between the two types. Polycarbonate is a type of engineered plastic that, other than glass or acrylic, is typically unbreakable. This type of plastic is used in bulletproof windows, compact discs, and eyeglass lenses. Another advantage of this plastic is that it is lightweight, only one sixth the weight of glass. The only problem with it is that it costs higher than conventional plastic or glass.

Polyethylene covers are also employed widely for making plastic greenhouses. Greenhouses with stretchable covers that stretch over a frame can be either fixed outdoor units that are cemented to the ground or temporary use units designed to be set up and take down, as needed. The ability to have a greenhouse set up only part of the year can be very advantageous for some homeowners; specifically those who have limited outdoor space and don't want to commit to a permanent structure that's set up year round.

The main thing to consider while searching for plastic greenhouses is the UV stability of the material. By its intrinsic nature, polyethylene is supposed to be highly reactive to ultraviolet light. It means that an untreated sheet of polyethylene left in the sun would quickly break down, possibly completely dismantling within a couple of months. This is the main reason why most greenhouses with polyethylene covers are treated to make them UV-resistant. While looking at a range of Plastic greenhouses, make sure to look at all the available options as then only you will be able to draw a good buying deal for your project.

Want to get good buying deals on plastic greenhouses? Premier Polytunnels are specialist designers, manufacturers, and suppliers of polytunnels, polytunnel accessories, and polythene covers.