When selecting a plastic greenhouse covering you should select a thickness of at least 6 mil.
Diy greenhouse plastic sheeting mil.
A good quality polyethylene greenhouse plastic should last you at least 4 years even in high uv environments when installed properly.
Cut a piece the same size as.
Check out our tutorial on how to build a simple greenhouse making outdoor growing easier than ever.
The type that is best for you will depend on the specifics of your installation.
3 hold the top left corner of the first plastic sheet to the top corner of the first wall and staple it into place with a heavy duty staple.
There is a wide variety of plastic sheeting for greenhouses.
If you are using a quick low cost build like our tutorial it may be best to invest in something economical like our standard 6 mil or 10 mil.
Cut a piece of 6 mil plastic sheeting to fit each wall.
The polyethylene film should also have a uv stabilizer built in.
Regular plastic sheets will tear easily when cut because the ends fray but greenhouse plastic is specially made to resist tearing and stand up to weather.
Plastic sheeting 6 mil polyethylene 24 x 20.