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Black Greenhouse Film: Detailed Instructions. How to properly cover a greenhouse with film Cover with film

Useful tips

Cling film is one of the most important things for those who want to keep food fresh.

However, there is quite unusual ways uses of it that you may not have heard of.

In this collection you can familiarize yourself with the use of transparent film and, perhaps, rp there is something for yourself.


What can you do with cling film?

1. No cracks or gaps in the windows.



Even the smallest crack or gap in a window can let in a blast of icy air in the winter.

Cut several pieces of cling film to the required size, stack them one on top of the other to create one thick layer, and glue them to a place on the window where there is strong wind.

2. Don't let your brushes and rollers dry out.



If you have painted, for example, a wall, and are going to continue painting the next day, then to maintain the softness of the brush and roller, wrap them in PVC film (cling film). The same can be done with a can of paint.

Use of polyethylene film

3. Quickly clean the refrigerator.



Cover all shelves in the refrigerator with cling film. When it's time to clean them, you simply remove the film and replace it with a new one.

4. No unexpected spills.



We all know the situation when we put a bottle of liquid (water or cosmetics) in a bag or backpack, and when we decide to take it out, some of the contents spill varies on your things in your bag.

This can be prevented by removing the lid, carefully covering the neck with a thin film, and closing the lid.

You can also wrap cosmetics in film. before packing them into a suitcase. This will prevent any possible spills.

PVC film

5. Hand protection.



If you decide to work with rake or a shovel, then to protect your hands you can wrap the handle with cling film, thereby protecting your hands from calluses.

6. Delicious ice cream.



To prevent ice cream from crystallizing in the freezer, first wrap it in cling film. The next time you take it out, it will look great and won't crystallize.

Transparencies

7. Fresh bananas last a long time.



8. Clean house.



If you frequently walk around the house (for example, if You If you remember that you forgot to take something and don’t want to take off your shoes), store the film close to the door. We came in, quickly wrapped our shoes in film, and we were ready to move on.

Transparent PVC Film

9. Making a sippy cup.



Fill the glass with liquid, cover with film and insert a straw.

10. Fresh bouquet for a long time.



If you wrap the ends of the flower stems with a cloth napkin and then wrap them tightly with cling film, the flower bouquet will remain fresh for a longer period.

Film for food products- one of my must-have purchases economic department. Not only because it helps keep food fresh in the refrigerator! An ordinary film in a roll will help in various everyday situations: you will be surprised to learn that with its help you can even apply patterns to the wall and drive fruit flies out of the kitchen forever!

How to use cling film

The film will protect your hands when you need to work with a rake or shovel. Just wrap the handle of the tool with film, and no more calluses on your palms!

Always wrap leftover ice cream in plastic wrap before putting it in the freezer. The ice cream will be at its best, no crystallization!

By wrapping the brush with film, you will protect the tool from drying out and you can continue working with paint the next day. You can also cover a jar with leftover paint with film.

If you wrap banana stems in film, the fruit will stay fresh for a long time! This is the only way I store them now.

To seal the container airtight, use cling film! I always do this with cosmetics before packing them in my suitcase. Nothing will spill!

Keep the roll of film close to front door: if you urgently need to go into the house wearing shoes, just wrap your dirty shoes in film!

There will be no more drafts: using film you can easily close the cracks in the windows.

A trap for midges that have settled in the kitchen! Cut the fruit, cover the cup with the delicious pieces with film and make a small cut in it. The fruit flies will gather in the cup very soon, no doubt, and you will be able to push the whole company out the door!

An original way to create a pattern on the walls when painting! Apply paint, then cover the wall with a layer of film and remember it. This trick will create a unique pattern and decorate the wall with original patterns!

I always line my refrigerator shelves with cling film! Perfect cleanliness: even if jam drips on the shelf or kefir spills, it’s easier to change the film than to wash the entire refrigerator.

Cling film is irreplaceable for weight loss! It is very useful to do wraps for women who want to get rid of cellulite: blood circulation increases in problem areas and natural weight loss occurs. You can also enhance the effect of any face mask, both nourishing and cleansing, using just a regular film! The thermal effect created by the film will ensure effective penetration of the substances contained in the mask into the skin.

By covering any glass of liquid with film and piercing it with a straw, you will make a reliable sippy cup!

To make your bouquet look fresh longer without water, use this trick. Wrap the ends of the stems with a wet cloth, then wrap tightly with film.

Tell us in the comments about non-standard ways to use cling film and other household items you use! We will appreciate

What is there to think about! - you can answer. - I’ll go to the hardware store, buy some film, and that’s it! Hmm, which one exactly?

Full transparency

There are many types of film now. I won’t dwell on ordinary polyethylene: everyone knows it. An excellent inexpensive material, suitable for both small shelters and huge greenhouses... However, it’s only still new. Some films don't even last through the seasons! So the garbage dumps around all gardening areas are filled with dirty rags; polyethylene decomposes extremely poorly. Maybe we should still look for a film that is a little more expensive, but better, so that it will last at least for several years?

So, what can the industry offer to us, summer residents?

1. Reinforced films in which a synthetic mesh is fused into polyethylene. Of course, it is much stronger than usual: it can be stretched over a large greenhouse and not be afraid of either wind or hail. The only “but” is that in such films it is not mechanical strength that comes to the fore, but resistance to solar radiation. The worst samples crumble into dust after 2-3 seasons. Apparently, this is why the data on the durability of reinforced film differ so much: from 2 to 7 years.

2. Polyethylene films with additives. Their range is very large, but not all supplements are “equally useful”, as the advertising says. It is definitely valuable to introduce stabilizers into the composition of the material, which protect polyethylene from the destructive effects of sunlight. Such films, although noticeably more expensive than regular ones, last many times longer (3 years or more). Most often they are pinkish or orangeish in color, but this is not necessary.

A more complex, but also very useful component of modern films is a phosphor additive. It converts some of the sun's rays from the ultraviolet spectrum into red and more beneficial for plants. infrared radiation. As a result, photosynthesis processes in plants become more active, and productivity increases noticeably. Such films are called light-converting films. But when purchasing something like this, do not forget that it must also be stabilized, otherwise all its advantages will not please you for long.

Film with phosphor additives can be checked by shining an ultraviolet lamp through it. The light from the lamp should change to red.

3. Bubble polyethylene film. We usually encounter it when unpacking something fragile. But such a film is also produced for greenhouse purposes: after all, it transmits enough light, and in terms of outstanding thermal insulation properties, only thick polycarbonate can compare with it. I think that a small greenhouse or sunken warm bed, covered with bubble wrap, will be useful for every gardener to obtain the earliest greens, as well as seedlings of cabbage, lettuce, asters and other cold-resistant crops. Although it is hardly possible to seriously talk about its durability (with the exception of special varieties).

4. Not polyethylene films (PVC and others). In my opinion this is one of the best options. Typically, they have a “rubbery” feel and a yellowish or pinkish tint. The strength and durability of these films is beyond praise! I know of cases when they lasted for 6 years or more without being removed from the greenhouse, and it even happened that the greenhouse itself fell under the weight of the snow, and the film was like nothing. And such films are usually fine with stabilizing and light-converting additives. The only drawback is the price.

Stress protection

Or maybe it’s better to replace the film with a non-woven covering material? It is needed both in summer and winter, and it lasts for quite a decent time - savings, however!

Nonwoven materials, of course, have many advantages. They “breathe” and allow moisture to pass through well, and the plants under them do not overheat. “Non-fabric” (especially thick, 40 g/m2 or more) has better thermal insulation properties than film and allows you to more reliably protect plants from frost. Well, thin (17-40 g/m2) - although not so warm, it is light, and it can be placed on plants even without a frame. But, alas, from experience, non-woven materials are still more likely a material for temporary (including winter) shelters, and not for long-term growing of plants. Summer residents of central Russia who tried to cover stationary greenhouses with them (of course, we're talking about about dense varieties of “non-fabric” - the thinnest is not strong enough for this), they were faced with the fact that their favorite cucumbers and tomatoes were significantly lacking in light. The benefits of nonwoven materials in greenhouses and greenhouses were truly appreciated only by southerners who have nowhere to put the sun. But this does not mean at all that they are not needed: every summer resident should have a supply of “non-fabric” to protect the garden from spring frosts, “safety net” when sowing and planting seedlings, as well as to cover capricious plants for the winter.

On a note

Another extremely useful property for greenhouse growers is the so-called “hydrophilic surface”, which modern polymer films often boast of. In practice, this means that the moisture condensed from the air does not collect on the film into drops and does not fall on the leaves in the form of cold dew, but “sticks” to the surface and gently flows down the walls. Plants in a greenhouse will get sick much less!

Secrets of marking (GOST 10354-82)

M- durable film used for the manufacture of transport bags and other packaging.

T- film for the manufacture of technical products, protective covers, packaging;

ST- painted or unpainted, stabilized film for greenhouses, greenhouses and other agricultural facilities;

SIC- stabilized film with IR radiation adsorbent for covering greenhouses and other agricultural structures, providing an increased greenhouse effect;

CM- for mulching and other similar purposes; undyed, carbon black stabilized film (dark);

B, B1- special films for use in reclamation and water management construction;

SK- film for use in food preservation, etc.; unstabilized;

N- film for the manufacture of packaging and household products; painted or unpainted, stabilized or unstabilized.

It is easy to see that films marked ST, SIC and some - N are suitable for greenhouses and greenhouses.

About why agriculture Transparent polyethylene film is used, everyone knows. This is the cheapest and most accessible material for sheltering plants from rain, wind, hail and frost, for the construction of temporary greenhouses and stationary greenhouses.
Why do you need black greenhouse film? What benefits can it bring to a gardener?

Made from high-density polyethylene stabilized with carbon black, black greenhouse film differs from transparent film not only in color, but also in its properties and, accordingly, in its scope. Like regular film, this film is produced in sleeves wound into rolls ranging from one to three meters wide.
After cutting one side and unfolding, the material becomes twice as wide.

Advice. The polymer is easily cut along the fold with a knife or open scissors. But if you need to unroll a very long sleeve, do not rush to unwind the roll - just cut off one edge with a hacksaw or a fine-toothed circular saw.

To satisfy any consumer needs, the film is produced in different thicknesses: minimum - 40 microns, maximum - 200 microns. But even the thinnest one practically does not let sunlight through.
It is this property that is actively used in agriculture and in particular in industrial and home greenhouses.

The price of black film compared to other varieties of this material is much lower, and the benefits from its use are very noticeable, so its use can be considered profitable and practical.

Methods of application in greenhouses

In this chapter we will not talk about all areas of application of the material, although there are many of them. This includes construction, land reclamation, trade, and agriculture.
We are interested in how it is used in greenhouses and greenhouses. It is clear that black ones are completely useless structures, since not a single plant will grow in complete darkness.
However, this property, as well as the material’s ability to accumulate heat and not allow moisture to pass through, can be used for good.

Mulching

Mulching is covering the soil in order to regulate its temperature and humidity characteristics. This method has been practiced in agriculture for a very long time, but until recently, mulch was mainly materials of organic origin: humus, peat, straw, dry leaves, mowed and dried grass, sawdust, tree bark, etc.
Today, black film for greenhouses is becoming increasingly popular and in demand for this purpose. Its only drawback compared to organics is that it does not improve the composition and structure of the soil, but there are quite a lot of advantages.

For reference. At the end of the season after harvesting, organic mulch is embedded in the ground and rots in it, turning into humus and improving its nutritional properties.

What are these advantages:

  • Stopping weed growth. The absolute opacity of the film does not allow the seeds and roots of weeds remaining in the ground to develop. Their absence has a beneficial effect on the growth of cultivated crops and frees gardeners from regular weeding;
  • Mold does not form under the black film, which cannot be said about organic mulch;
  • Harmful insects do not grow in it, and the impenetrable fabric protects plants from pathogens that are always present in the soil;

  • The film better retains moisture underneath, preventing it from evaporating from the surface of the earth, forming a dense, airtight crust. If earlier you had to loosen the “petrified” soil under tomatoes or cucumbers with your own hands after several waterings, now you can forget about it.

Other advantages of film mulching include a reduction in water consumption for irrigation and the fact that after it or after rain, leaves and fruits remain clean, not contaminated with soil.
To be fair, it should be said that it is even more effective to use not film, but black spunbond. Possessing similar abilities, it is stronger and more durable, and also allows water to pass through itself, allowing you to water the beds in any way convenient for you.

Warming up the soil and insulation

Possessing absolute light resistance, black greenhouse film nevertheless attracts the sun's rays, while quickly heating up and transferring heat to adjacent surfaces.
This property is used in greenhouses in the following cases:

  • For early soil warming. As you know, the soil takes longer to warm up than the air.
    In early spring, under a film or other cover in a greenhouse it may already be quite comfortable for plants, but the ground at this time is still very cold, and at some depth it is completely frozen. To speed up its thawing and warming up, they spread a black film, under which these processes proceed faster.

  • For insulating beds. Today, many gardeners have adopted the technology of growing plants in high beds, fenced on all sides with sides.
    If these sides are wrapped in black film, it will heat up during the day and give off heat to the ground at night.

How to use mulching film

If, to warm the soil, it is enough to simply spread the film on the ground, pressing its edges, then for use as mulch, different instructions must be followed. First, you first need to prepare the soil by adding all the necessary mineral and organic fertilizers, carefully digging, loosening and leveled.
Then they are made, the width of which depends on the type of crops planted on it. The film is laid on top after thorough watering, preferably a few days before planting - so that the ground underneath it warms up well.

Advice. Choose material of a suitable width so that you do not have to cut it or lay two sheets on one bed.


Film thickness is important. If the thinnest soil (40-50 microns) is used to warm the soil, then thicker, stronger and more durable material is used for mulching.
If it will serve no more than a year, a thickness of 60-80 microns is sufficient, but if you are planting a perennial crop, for example, strawberries, it is better to give preference to material with a thickness of 100-120 microns. Using thicker canvases is neither effective nor economical; their scope of application is construction and other industrial sectors.
If you watch the video presented in this article, you will understand how to proceed further even without a description. Everything is very simple: in the film spread on the bed, at specified intervals, cuts are made with a sharp knife - cross-shaped or in the form of the letter V.
By turning the corners inside, you will get square or triangular holes It is clear that the distance between them is chosen depending on what you will plant in the garden bed and how much free space is required for one adult plant.

Advice.
To speed up the process, especially when installing mulch over a large area, you can fold the film several times and burn it through with a hot object, simultaneously obtaining several identical holes. Then spread it out on the garden bed.

Seedlings are planted or seeds are sown in these holes. To make your work easier, you can equip a drip irrigation system by connecting a tube with a dropper to each plant.

Conclusion

As you can see, black greenhouse film can bring a lot of benefits if you know how to use it correctly. All the techniques described are suitable not only for greenhouses and greenhouses, but also for growing plants in open ground, where the problems of watering, loosening and weed control are even more pressing.

Delivery, pickup. Payment: cash, cashless.
You can get it today (including legal entities)
free delivery on 2nd order
gift with purchase over RUB 5,000 (find code)

Where to get the product:

  • m. Yuzhnaya - Varshavskoe sh., 125D k2 111 warehouse (Mon-Fri from 8-00 to 17-00, Sat from 10-00 to 15-00).
  • m. Otradnoe - Altufevskoe highway, 37с8 - st. Degunino (Mon-Fri from 8-00 to 17-00).
  • Pickup is possible on the day of order. pre order must be registered with the manager.
  • Delivery within Moscow is possible today (check with the manager).

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