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Old 08-17-2018, 06:12 PM   #17
Bisjoe
Senior Member
 
Join Date: Sep 2017
Location: Sammamish
Posts: 256
Quote:
Originally Posted by cavediver View Post
I believe cement is a chemical reaction it doesn't need air to cure. Sand should be enough. What about the PVC and UV rays?

Jack
My greenhouse is 4 years old with only clear over it, and no sign of degradation of the pvc pipe from sun. Of course, we don’t get much of that here.
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