Today we continue our discussion on various types of greenhouse covering materials available on the market today, and see if we can make a determination about the best materials for various uses. We examine polycarbonate, polyethylene, glass, fiberglass and more.
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Listen in as Shane and Buddy discuss the many options available for greenhouse covering materials. Find out which material has the best insulation value, and which materials are easiest to work with.
SHOW NOTES:
|
Typical (R) Values for Greenhouse Covering |
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| 3.5 mil polyethylene |
0.81 |
3.5 mm twinwall polycarbonate |
1.39 |
| 5-6 mil polyethylene |
0.87 |
5-6 mm twinwall polycarbonate |
1.48 |
| 6 mil poly double layer (inflated) |
1.43 |
8 mm twinwall polycarbonate |
1.55 |
| 11 mil woven polyethylene |
0.92 |
10mm twinwall polycarbonate |
1.89 |
| 3 mm glass (single layer) |
0.93 |
16 mm 5 wall polycarbonate |
3.03 |
| Two layers of glass (insulated) |
2.00 |
Fiberglass or polycarbonate (single layer) |
0.83 |
|
“R value” measures the effectiveness of thermal insulation. Larger numbers are better. |
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This week we continue the discussion about choosing the right greenhouse for your back yard, gardening co-op, etc. We talk about greenhouse coverings, geographic regions, heating and ventilation/cooling considerations, and much more. Enjoy!
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There are a lot of things to consider when buying a greenhouse: how big, what part of the country are you in, what kind of gardening will you be doing? These and more questions and considerations are the topic of this week’s show.
Be sure to catch next week’s episode as well, as we finish up the conversation then. Enjoy!
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