Re: Greenhouse problems/PVC

Maybe it's a combination of sun and pollutants, or maybe it's a question of latitude. We're at 33 + . 


d
----- Original Message ----- From: "Johnson, Cyndi D Civ USAF AFMC 95 CS/SCOSI" <cyndi.johnson@edwards.af.mil> 
To: <gardenchat@hort.net>
Sent: Monday, November 03, 2008 2:43 PM
Subject: RE: [CHAT] Greenhouse problems/PVC



Hmmm I have some schedule 40 PVC that has been exposed for 15 years. No
problems.

Cyndi


-----Original Message-----
From: owner-gardenchat@hort.net [o*@hort.net] On
Behalf Of Daryl
Sent: Monday, November 03, 2008 11:17 AM
To: gardenchat
Subject: Re: [CHAT] Greenhouse problems/PVC

We used sched 40. It's great when it isn't exposed to strong sun. And
there
are a few pieces that are still hanging in after a few years, but most
got
brittle fairly quickly.

d


----- Original Message -----
From: <TeichFauna@aol.com>
To: <gardenchat@hort.net>
Sent: Monday, November 03, 2008 1:58 PM
Subject: Re: [CHAT] Greenhouse problems/PVC



There are two types of white PVC.  There is the cheaper thinner one,

and

then Schedule 40 which is rated for outdoor use, and is much stronger,

and

lasts
a long time.  We use the schedule 40 on our water garden

installations

and
other applications.
Noreen
zone 9
Texas Gulf Coast

In a message dated 11/3/2008 11:40:49 AM Central Standard Time,
justjess01@gmail.com writes:

I've had  trouble with white PVC here in GA. It lasts for a year or

two,

then  fails, presumably because of the effects of strong sunlight.

And

the
 gray PVC will sag when it gets hot, even though it doesn't get

brittle

like

the white stuff.





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