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Posted by Phisherman on September 21, 2009, 7:53 am
wrote:
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>> One of my neighbors noticed the 50 Amp circuit for his spa was in PVC
>> water pipe. I know PVC pipe can break down in sun light but this stuff
>> is coated with about 4 layers of house paint. Even though it is
>> exposed directly to southern exposure for nearly its entire 20 ft
>> length, given it is about 10 years old and hasnt had a problem I dont
>> think degradation due to UV exposure should be something to worry
>> about. Is there any other reason this should be replaced. It shouldnt
>> be a problem to replace, the biggest objection is that its going to
>> mess up paint that is about two years old with some fading.
>> Jimmie
>PVC conduit is Sch 40 gray sunlight resistant material.
>My landscaper installed white Sch 40 PVC (unpainted) manifolds ~30
>years ago.......the material has been exposed to 1/2 day SoCal
>sunshine. I'm sure it has become brittle as the backyard manifold
>broke when someone bumped it with a wheel barrow.
>I have been told by plastics people that a couple coats of latex paint
>will give the material all the UV protection it needs but I still use
>the gray sunlight resistant stuff.
>If the stuff has been painted for most of its life......I wouldn;t
>worry about.
>cheers
>Bob
I used sched 40 white PVC for an overflow in my pond, spray painted
the exposed areas green with Rustoleum paint. It has been in full sun
for 14 years, water is still flowing into the creek. As long as the
paint is intact it's fine. Plastics become weak and brittle over
time, though.
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> water pipe. I know PVC pipe can break down in sun light but this stuff
> is coated with about 4 layers of house paint. Even though it is
> exposed directly to southern exposure for nearly its entire 20 ft
> length, given it is about 10 years old and hasnt had a problem I dont
> think degradation due to UV exposure should be something to worry
> about. Is there any other reason this should be replaced. It shouldnt
> be a problem to replace, the biggest objection is that its going to
> mess up =A0paint that is about two years old with some fading.
> Jimmie