Episode 7 - Greenhouse Coverings Part One
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:
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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 |
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“R value” measures the effectiveness of thermal insulation. Larger numbers are better. |
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Click play and enjoy!
