How to Properly Insulate Your Greenhouse

If you’d like to properly insulate your greenhouse, you could extend the growing season of herbs and vegetables by two to three months. It is also possible to grow some micro greens in bigger quantities that you could ever fit on your window sills without making them look untidy or overcrowded. This is, however, only suited if you are living in an area with a moderate climate, where the winter temperatures are not below zero for a long period of time or where you can experience temperatures well below minus 10 Celsius regularly. If that’s the case, you can still grow some winter crops indoors on window sills or in heated sun rooms.

What you need if you are going to properly insulate your greenhouse are the following items:

-A tape measure

-A roll of bubble wrap

-A roll of Duck tape

-A knife or a pair of scissors

-Patience

And this is how you go about properly insulating your greenhouse. First use the tape measure for determining all dimensions of your greenhouse on the inside. Record them on a sheet of paper where you make a sketch or drawing. Then cut the bubble wrap according to the dimensions into individual sheets.

Image via Wikipedia

Properly fitted sheets of bubble wrap where the gaps have also been tightly sealed with the Duck tape will properly insulate your greenhouse no matter what the outdoor conditions are (with the exception mentioned in the first paragraph. The result is a much better insulation coefficient, meaning that per calorie of hot air you put into the greenhouse, this heat will stay inside the greenhouse for much longer than without a proper insulation.

Picture via Amazon

Now fix the bubble wrap sheets to the inside of your greenhouse, and it will soon be properly insulated all around. As an alternative to the Duck tape, there are Pins and washers available for some types of greenhouses that are designed to fit straight into the window profiles of your greenhouse.

Once you have properly insulated the sides of your greenhouse, you should carefully work around the aeration window and door of your greenhouse. These spots are essential. Attach a separate sheet to the aeration window in such a way that you can open the window if needed including the sheet of bubble wrap that should properly remain attached to the window at all times. On the other hand the greenhouse aeration window must also properly close without wedging material in between.

Image via Walton Garden Products

As for the greenhouse door, you can properly insulate it by creating a kind of curtain from a sheet of bubble wrap material. Fix it on the top, and leave it to hang on the sides of the door. If the weight is too small to pull itself down properly, which is essential for a proper tightness, you can pull a small strip of material back up from the bottom end, fix it to the sheet itself with bubble wrap to form a kind of pocket and insert a bamboo stick into it. Now the weight will keep it stretched properly over the full length.

Once you have followed these instructions on how to insulate your greenhouse, you can place a thermostatic electric heater inside the greenhouse, on which you can control the temperature it keeps. It should at least be set to a temperature of 5 Celsius or higher in order to give the plants appropriate growing conditions. If you keep delicate plants over winter in the greenhouse, it should be warmer than that.

If you insulate your greenhouse in this or a similar way, you can enjoy some healthy winter greens. This will keep you healthy and your body will be buzzing as a Thank You for this special treatment.

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