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plastic greenhouses - how to know if youre getting good quality - polycarbonate

by:Cailong     2019-07-31
plastic greenhouses - how to know if youre getting good quality  -  polycarbonate
There are two main types of plastic greenhouses on the market today: polyester board and polyethylene cover.
Each material has its own advantages and disadvantages, and the quality of the two materials may vary greatly.
In this article, we will discuss the ins and outs of plastic greenhouse shopping, the pros and cons of each material type, how do you make sure you get quality products before you buy them.
Unlike glass or acrylic plastic, polycarbonate is an engineering plastic that is almost unbreakable.
Polyester plastic is used for bullet-proof windows, discs and glasses.
The weight of the polyester plastic is also very light: only about 1 out of 6 of the glass weight.
The main drawback of Polycarbonate is that it is more expensive than glass or acrylic fiber.
In the construction of a greenhouse, it is common to use a polyester board because they look as clear as glass, but the weight is much smaller and the durability is much higher.
Unlike glass, you don't have to worry about scratching, cracking or breaking the polycarbonate board.
They are a very good quality choice in plastic greenhouses.
Polyethylene covers another area of plastic greenhouses.
Greenhouses with flexible coverings can be permanent outdoor units fixed on the ground or temporary use units set up and removed as needed.
For some homeowners, the ability to build a greenhouse only part of the year is very beneficial;
Especially those who have limited outdoor space and do not want to commit to establishing a permanent structure throughout the year.
When looking at greenhouses with polyethylene coverings, the most critical factor to consider is the UV stability of the material.
The properties of polyethylene determine its high reactivity to UV rays.
This means that untreated polyethylene sheets placed in the sun will break down quickly, possibly completely within a few months.
As a result, most greenhouses with polyethylene covers are treated to make them UV resistant.
Keep in mind, though, that the UV inhibitor added to the plastic does not make the lid completely non-permeable to UV rays, and only increases the resistance of the material.
They still break down over time, but UV inhibitors greatly increase their longevity.
Before purchasing a greenhouse with a polyethylene cover, ask the manufacturer or retailer what is the life expectancy of the unit.
Also, be sure to ask them to qualify their answers by explaining whether they mean continuous use or temporary use.
For example, when the retailer tells you that the rating of the greenhouse is 3-
5 years of service life, which may be based on only 3 months of service life in a year, which actually means that the device is rated for 9 to 15 months of continuous use.
This is an important difference.
Finally, if you decide to buy a greenhouse with a polyethylene lid, it is critical to press the material tightly on the frame.
If the lid is not tightly pressed, the wind will kill the plastic and greatly reduce the service life of the greenhouse.
Since the lid is always the first part of wear and tear in these types of greenhouses, you may want to ask if the lid can be purchased separately later, or a better option might be to buy a full Conservatory unit and an extra cover, so you'll get it when you need it.
All in all, if you want a greenhouse that can stand the test of time and assume that there is space for a permanent structure in your yard, then the polycarbonate board is the best option.
On the other hand, if you want something that can be used seasonally and removed when not needed, then a unit with a polyethylene lid may be exactly what you need.
Either way, you can now start your greenhouse shopping adventure and use the information you need to make informed decisions that are best for you.
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