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Join Date: Feb 2001
Location: USA
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Question Building a Foundation Question: Building a Greenhouse

OK, I am finally ready to start breaking ground on our new greenhouse. It will be built with doors and windows from other projects, friends, neighbors, re-store, etc. I have the lumber collected from a local sawmill and auction buys. Needless to say, this is NOT a kit and I don't have the bucks to spring for one!

I am working through the foundation in my mind and wanted to run this past some other minds.

Size is 16 x 24 or 32, still debating a bit on this one. Central Indiana is build location.

Post building as basic. Put treated posts (ONLY treated lumber I plan to use) 48" in the ground, standing 8' up. Dig trench 14 inches wide and 18 inches deep around perimeter. Fill in post holes and trench with gravel #1 (I have some of this just lying around).

Lay on top of gravel at ground level 4 x 6 cedar and tie it into the treated posts. Clad with wood, 1 x 6 to 1x 8 and insulate.

I have much 2 x 6,8,10,12. Did I say alot? I have more of that than 1 x material though the mill has some 1 x laying around they will make a deal on.

I will not use RR Ties due to the chemicals, I will NOT poison myself. I hate treated lumber around food products but do not have cedar posts.

Maybe I should buy some 4x6 cedar posts for this specific project? Need to keep costs down, though.

Any thoughts suggestions are welcome! I have a small tractor (60HP) with FEL to help with the project. Lots of nails and screws from auctions, all of it pretty new, and a really nice nail gun and staple gun.

Need paint....
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Old 05-19-2011, 06:48 AM
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