Can 6 mil Contractor Plastic be Used as a Greenhouse Cover?
Just because a clear plastic is 6 mil doesn't mean it is designed to work on a greenhouse, high tunnel, or hoop house.
6 mil contractor plastic can not replace greenhouse plastic because it is not UV stable meaning it will break down very quickly if exposed to sunlight and wind for extended periods of time.
Those who have covered their structures with contractor plastic quickly find out that the lower up-front cost of contractor plastic isn't worth the replacement costs, potential damage to crops, and hassle once it begins to deteriorate in the sun.
The allure of contractor plastic is its low cost, but if the plastic needs replaced every couple of months it ends up being more costly than 6 mil clear greenhouse plastic.
If you are interested in comparing the pros and cons of the various plastic films designed for greenhouses, high tunnels, and hoop houses consider reading our post on the Best Greenhouse Plastics.
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