Металева теплиця своїми руками

If you dream of fresh vegetables and greens from your own garden all year round, it’s worth considering how to make a greenhouse with your own hands. A metal greenhouse is particularly reliable and durable: its sturdy frame can withstand significant loads, protecting plants from wind, rain, and snow. In this article, we will discuss how to create a greenhouse frame with your own hands, choose the best materials, and share useful tips that will help you achieve a bountiful harvest even in the cold season.

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1. Why choose a metal greenhouse?

  1. Strength and durability. A metal structure better withstands adverse weather conditions, does not sag, and does not deform over time.
  2. Versatility. A metal frame can be covered with polycarbonate, film, glass, or even old window frames.
  3. Ease of maintenance. You can easily update the covering and replace individual elements of the structure if necessary.

2. How to make a greenhouse with your own hands: key stages

How to make a greenhouse with your own hands: key stages

Before starting the construction of a greenhouse, it is important to carefully plan each step. This will ensure quick and quality construction of the structure and help avoid unforeseen expenses.

2.1. Choosing the size and shape of the greenhouse

  • Size. Determine how many plants you plan to grow and how much space you have on your plot. Average popular sizes are: 3×6 m, 3×8 m, or 4×8 m.
  • Shape. The most common shapes are arched and gable. The arched structure better withstands snow, while the gable provides more useful height for plants.

2.2. Location

  1. Sunlight. It is advisable to place the greenhouse in an open area that is illuminated by the sun for most of the day.
  2. Protection from winds. If possible, place the greenhouse near a fence, house, or hedge that will protect it from strong gusts of wind.
  3. Convenience of watering and care. Make sure that it is easy to bring water to the greenhouse and that you can comfortably move between the beds.
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3. Materials and tools for the metal frame of the greenhouse

3.1. Materials

  1. Metal profiles or pipes. Steel (black or galvanized) pipes of round or square cross-section are most commonly used. Galvanized profiles are more resistant to corrosion.
  2. Covering.
    • Polycarbonate – a popular choice due to its lightness and thermal insulation properties.
    • Film – a budget option, but less durable.
    • Glass – excellent light transmission, but heavy and can be more expensive.
    • Old window frames – a great way to save and reuse unnecessary windows if you want to build a greenhouse with your own hands from windows.
  3. Metal fasteners, brackets, bolts, and nuts. For connecting the frame elements.
  4. Sealant and thermal insulation materials. For sealing joints and reducing heat loss.
  5. Ventilation windows and doors. Provide air circulation and temperature control.

3.2. Tools

  • Measuring tape
  • Level
  • Angle grinder (metal cutter)
  • Electric welding machine (or screwdriver for bolt connections)
  • Sledgehammer or jackhammer
  • Wrench
  • Screwdriver
  • Gloves, safety glasses, welding mask (if necessary)

4. Stages of building a metal greenhouse with your own hands

4.1. Preparation and pouring the foundation

  1. Marking the area. Use stakes and string to mark the perimeter of the greenhouse.
  2. Leveling the area. Remove the top layer of soil, clear debris, and level the ground.
  3. Digging trenches or holes for posts. The depth is usually 20–30 cm, but it can be deeper for regions with deep soil freezing.
  4. Pouring the foundation.
    • Strip foundation: the trench is filled with concrete, adding reinforcement for strength.
    • Column foundation: fill individual holes for posts or install concrete blocks.
  5. Curing the foundation. Leave the concrete for 5–7 days to set (depending on the weather).

4.2. Assembling the metal frame

  1. Cutting metal pipes or profiles. According to your drawing or plan, mark and cut the blanks to the required length.
  2. Forming arches or frames. An arched frame is convenient for welding from several segments of pipes. If the structure is gable, you will need posts and rafters.
  3. Connecting frame elements.
    • Welding. The ideal method for creating strong and airtight joints, especially in arched greenhouses.
    • Bolt connection. Suitable for those who do not have a welding machine. It is advisable to use reliable fasteners with anti-corrosion coating.
  4. Installing the frame on the foundation. Secure the lower part of the frame (the binding) to the foundation with anchors or bolts.
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4.3. Covering the greenhouse

  1. Polycarbonate.
    • Secured on the metal frame with special washers and screws.
    • Be sure to make overlaps or install connecting profiles to avoid leaks.
  2. Film.
    • Attached using strips or special clamps.
    • The film can be changed every year or once every few seasons depending on quality.
  3. Glass or old windows.
    • When using window frames, measure to ensure they fit snugly against the frame and seal the joints.
    • Handle glass carefully, securing it on rubber gaskets or special clamps.

4.4. Installing doors and ventilation windows

  1. Doors. Usually located at one or both ends of the greenhouse. The size should be convenient for bringing in garden tools and plants.
  2. Windows or vents for ventilation. At least one ventilation window in the roof or wall of the greenhouse will help regulate temperature and humidity levels.

4.5. Sealing and insulation

  1. Sealing joints with sealant. Seal all seams and connections to prevent cold air and moisture from entering.
  2. Thermal insulation materials. If necessary, use foam or other insulators inside the greenhouse around the perimeter of the foundation or at the joints with the frame.

5. Greenhouse with your own hands from windows: when it is worth doing

If you have old window frames that still retain their airtightness, they can be successfully used to create a greenhouse. This is a great way to:

  • Save money. No need to spend money on new material for the walls.
  • Reuse resources. Environmental friendliness and rationality are advantages of this solution.
  • Ensure high transparency. Glass transmits sunlight well, which is important for plant growth.

Keep in mind that glass frames can be quite heavy, so the frame and foundation must be strong enough, and the installation must be careful to avoid cracking.

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6. Additional tips: how to get the most out of your greenhouse

  1. Irrigation system. Automatic drip irrigation or sprinkler systems will significantly ease plant care.
  2. Soil heating. For winter use, you can install a heating cable or biofuel (manure, compost).
  3. Internal lighting. In winter or in places with limited light, use phytolamps.
  4. Zoning. You can divide the greenhouse into zones for different crops: cucumbers, tomatoes, greens, etc.
  5. Regular ventilation. Preventing fungal diseases and mold – excellent air circulation.

7. Conclusion

Building a greenhouse with your own hands is an affordable way to expand the possibilities of your garden and provide yourself with fresh produce throughout the year. A metal greenhouse built by yourself stands out for its strength, durability, and ease of maintenance. You can choose any type of covering – polycarbonate, film, glass, or even old window frames. The main thing is to carefully plan the size, shape, location, and follow the basic installation rules.

By creating the frame of the greenhouse with your own hands, you will obtain a reliable structure capable of withstanding snow and wind loads. Follow the technology of sealing, ventilation, and insulation – and your greenhouse will become a true home oasis, where you can grow juicy vegetables, berries, and flowers regardless of the season.

Tip: Before starting work, make a detailed plan or drawing, calculate the budget, and consult with those who have already implemented a similar project. This will save you time and money, and the result will please you with a harvest!

We hope this guide helps you easily understand how to make a greenhouse with your own hands from metal or windows. You are now ready to build your own structure that will serve for many years, bringing a stable harvest and satisfaction from gardening. Good luck with your work and abundant harvests!

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