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diy solar

Post your Ground Mount Setup

As a landscaper I deal with old pressure treated wood all the time. The failure point is always right at the ground where the post meets the ground (typically 10 years), the rest of the post will be totally fine. With 6x6 posts connected to concrete with brackets, it will last for a very long time.
I rounded my 4000 psi concrete for proper drainage, dipped posts in sealer, sealed around the base of the post with tar after two weeks and keep the posts sealed every few years.
 
25 years with resealing every 3-4 years
Sounds like a lot of maintenance to me whereas I will have done zero maintenance on mine. If either of us is still here in 25 years lets swap pictures.. Have fun doing all that maintenance in the meantime!
 
Sounds like a lot of maintenance to me whereas I will have done zero maintenance on mine. If either of us is still here in 25 years lets swap pictures.. Have fun doing all that maintenance in the meantime!
Here in Maine, we have hemlock and cedar, and buildings made out of either/both that are well over 100 years old. Maybe that stuff they grow down south on big pine tree plantations struggles with a little water, but this real wood does just fine with no maintenance if you keep it off the ground. It's hard to even pound a nail into hemlock that's been cut for two years, so we work with it green.
 
My experience says it won't but I'm not here to argue just to help. Let's swap pictures of our mounting after zero maintenance in 20 years. You'll be on your third and I'll still won't have touched mine.
No, seems you're here to argue.

My 35 year contractor experience with pressure treated wood is that the only issue to avoid is ground contact. This lumber in free air lasts a lifetime.
How many people are replacing their decks after 10 years?
 
No, seems you're here to argue.

My 35 year contractor experience with pressure treated wood is that the only issue to avoid is ground contact. This lumber in free air lasts a lifetime.
How many people are replacing their decks after 10 years?
My parents :(

But I can't get them to pay extra for the pressure treated lumber. Such a waste when they could pay a little more and be done with it for a long time.
 
How many people are replacing their decks after 10 years?
<Raises Hand> Me. But that is because of the mandated change in treatment chemicals about fifteen or twenty years ago. I have still not replaced the deck, but I finally did get a check from the company that did the treatment. It will be a huge pain in the neck to replace everything. We are looking at aluminum.

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And to keep on topic, here is my recently completed panel mount. It is 100% scrounged tube and hat channel plus some large galvanized angle for the base that sits on top of the concrete shelter. It is held to the shelter lift rings with steel cable.

Each row of panels tilts from 0° to 50° in 10° increments. The spacing is designed to provide maximum shade to the shelter roof to keep it cool inside.

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And to keep on topic, here is my recently completed panel mount. It is 100% scrounged tube and hat channel plus some large galvanized angle for the base that sits on top of the concrete shelter. It is held to the shelter lift rings with steel cable.

Each row of panels tilts from 0° to 50° in 10° increments. The spacing is designed to provide maximum shade to the shelter roof to keep it cool inside.


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Is this a root cellar? Or a freeze protected battery house?
 
And to keep on topic, here is my recently completed panel mount. It is 100% scrounged tube and hat channel plus some large galvanized angle for the base that sits on top of the concrete shelter. It is held to the shelter lift rings with steel cable.

Each row of panels tilts from 0° to 50° in 10° increments. The spacing is designed to provide maximum shade to the shelter roof to keep it cool inside.

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View attachment 170353


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View attachment 170355
Nice! Would really like a few more detailed closer up shots especially of the mechanisms. Thx
 
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My experience says it won't but I'm not here to argue just to help. Let's swap pictures of our mounting after zero maintenance in 20 years. You'll be on your third and I'll still won't have touched mine.
With zero maintenance all bets are off regardless of what system or materials you use…. Maintaining your system is key to having it perform and last-from mount to batteries, inverters and wiring, connections and even your panels.
 
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