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Editor In Chief, United Home Improvement
A greenhouse can enhance your plans for a garden site by giving you
the chance to grow healthy plants in a controlled environment. It
also allows you to maintain plants year-round without the
restrictions certain weather may have on them. The consistency of a
properly functioning greenhouse makes this environment ideal for
growing plants year round for sale. There are many ways in which you
can use your green house, and depending on your budget you will have
to decide which type of greenhouse you need.
The type of greenhouse you select will depend heavily on the
location you decide on. A greenhouse can either be attached to a
building or be freestanding. Attached greenhouses come in three
types; half size, full structure, or extended window structure.
There are several different cover options for a greenhouse which
include glass, fiberglass, rigid double-wall plastics
(polycarbonates), and film plastics (polyethylene film). Keep in
mind, the type of frame and cover must be matched correctly.
Traditional glass coverings have a pleasant appearance, are
inexpensive to maintain, and have a high degree of permanency.
However, they are no longer the most efficient material for
greenhouses because they do not retain heat as well as other
materials. Also, they are more susceptible to being broke. If they
are to be used, it is recommended that the glass be doubled or
tripled for extra strength.
Fiberglass is lightweight, strong, and practically a weatherproof
material. It creates a virtually shadow less environment and also
retains heat more efficiently then glass. Typically, it will last
Rigid double-wall plastics (polycarbonates) are energy efficient,
resistant to impact, and fire resistant. The plastic sheets of
acrylic or polycarbonate are available to give long-life and diffuse
light to minimize shadows.
Film plastics (polyethylene film) are inexpensive and easy to
maintain. They come in several grades of quality and several
different materials. However, they are generally replaced more
frequently than other covers.
Greenhouse frames range from simple to complex, depending on the
imagination of the designer. Certain engineer requirements also play
an important role in what frame you select. Frames are generally
made from wood, galvanized steel pipe, aluminum, or PVC pipe. Common
greenhouse frame options include:
• Quonset (Galvanized steel pipe frame)
• Gothic (Wooden arches)
• Rigid-frame (Vertical sidewalls and rafters)
• Post and Rafter (Embedded post and rafters)
• A-Frame (Collar beam included with rafters)
Other factors that need to be considered when building a greenhouse
include flooring, heating, air circulation, ventilation, cooling,
controls and automations, watering systems, and lighting.