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When deciding to build a greenhouse on his site, each owner, first of all, is faced with the question of choosing the material from which the greenhouse will be made.
This primarily concerns the choice frame material... The final decision is influenced by many factors - the materials available, the cost of purchased materials, the temporary or permanent nature of the greenhouse being erected, the desired type of construction, depending on the site conditions, and many other circumstances.
The materials that can be used to make a greenhouse frame can be divided into a number of categories based on group affiliation.
Wood
The most traditional material in the recent past, which has now been ousted by competitors, but which is not going to give up its positions completely. A greenhouse made of wood is not at all a relic of the past and the construction of a frame from it has a number of undeniable advantages:
- Wood is alive, breathable and completely ecologically pure material.
- Wood is the most readily available and cheap building material.
- Wood easy to handle, with this material can a person with minimal skills. At the same time, mistakes when working with wood are not fatal, and any damaged or broken parts are easily replaced.
- The wood frame is easy any cover is attached, whether it be polycarbonate, plastic film or glass.
- A frame can be assembled from wood any shape, while maintaining ease of assembly and disassembly, stability and strength.
There are limitations. First of all, wood short-lived and is easily exposed to external environmental factors - moisture, heat and time. In this regard, her needs to be constantly processed.
reference: A number of manufacturers are currently making greenhouse frames from glued pine impregnated with an antiseptic. After processing and drying, such frameworks can serve up to 20 years. Various products are currently on sale. antiseptics, which are useful for self-assembly of a wooden greenhouse.
Metal
Metal is currently serving as most common material for the frame of the greenhouse. It is used as a reliable base for mainly permanent permanent buildings.
This is facilitated by its properties such as strength, wear resistance, reliability and durability. From metal, you can assemble a greenhouse of any design, both arched and pitched.
As a material for the frame of the greenhouse the following metal products are used:
Profile steel pipes perfect for making a frame for any coating.
As disadvantages it is possible to indicate low corrosion resistance, as well as the need to use special equipment - a welding machine. As a solution to the issue of corrosion resistance, you can choose in favor of galvanized profile.
In addition, in the manufacture of an arched frame, it is necessary to use a pipe bender or invite specialists with the skills to create smooth arcs. This category of materials for the frame includes the use of steel pipes.
The use of aluminum profile... This material is lightweight, durable, corrosion resistant, has no time limits and does not need painting.
However, this material is expensive and difficult to cook. The aluminum frame can, of course, be bolted, but this significantly reduces the strength of the structure and increases its already considerable cost.
A separate line worth mentioning galvanized plasterboard profile, from which gardeners are increasingly making frames for greenhouses of both pitched and arched structures. This type of metal profile has all the advantages of a galvanized steel profile, but it is lighter and easier to assemble, because does not require the use of welding equipment.
The assembly is carried out using special self-tapping screws. Care should be taken when using sheeting on these greenhouse frames as the sharp edges of the profile often cut the coating.
As a material for a lightweight frame, it is often used and metal fittings... Such frames do not require the construction of foundations, they are easily transferred, assembled and disassembled, however, only a light film or covering material can be used as a coating in them.
However, there are exceptions to each rule. Some craftsmen from metal fittings weld strong frames of complex sections and shapes that can withstand a polycarbonate coating.
Important: To increase corrosion resistance and increase the service life, metal profiles are recommended paint special paints. At the same time, in order to reduce thermal conductivity, white paint should be used.
Plastic
Plastics have long and firmly entered our life. Many plastic products are also quite suitable as a material for making a greenhouse frame. Of course plastic less durablethan metal and not as durable.
However, the plastic frame is sufficient wear-resistant, not subject to corrosion, after assembly It does not require special care. Failed parts are easily replaced. In addition, modern plastics are environmentally harmlessdo not emit hazardous substances into the environment.
Different kinds water and heating pipes made of polypropylene, pvc, polyethylene, including low pressure polyethylene (HDPE), are used mainly for the construction of arched light frames for greenhouses under a film coating. They are not able to withstand heavier coatings.
Adapters, clamps, self-tapping screws, ties are used as fasteners. Possessing a rather high strength, these structures are very light, and this circumstance can play a cruel joke with them.
Possessing a large windage, these structures can be easily demolished entirely by a strong gust of wind, if measures are not taken to securely fix them on the base or on the ground.
PVC plastic profile it is also possible to use it for the construction of a greenhouse frame, especially if this material remained with the owner after repair or replacement of windows.
Lacking the strength of a metal profile, plastic has its own advantages in operation and assembly, listed above, so a number of gardeners are building quite decent greenhouses from it.
Increasingly used as an alternative to steel reinforcement for the construction of lightweight temporary greenhouses fiberglass reinforcement... It has a number of advantages, including lightness and corrosion resistance. This reinforcement bends easily, and when disassembled takes its original shape.
In conclusion, it is worth noting that when deciding on the material of the frame for the greenhouse, one should consider the nature of the structure being built, its purpose, the configuration of the frame, the cost of possible costs for the purchased materials and labor costs, as well as the materials available.
For the peculiarities of growing various crops in greenhouses and greenhouses, read the articles: potatoes, zucchini, carrots, flowers, raspberries, strawberries, cilantro, greens, cabbage, peppers, tomatoes, cucumbers, mushrooms, eggplant, radishes, watermelons and melons, and even grapes.
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Greenhouse frames made of pipes, fittings and other materials are further:
More options for greenhouse frames:
