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Originally Posted by siege2050
I am building a smaller and different version of this, the frame is wood and pvc and is about 8 feet tall at the peak, not sure how deep i will dig the pit, probably 4 feet. Its about 12 feet wide at the base and will be about 24 feet long for now. I built it so i could expand the length later, and am using a anti condensation and thermal 6 mil cover. I only have one big banana this year so I hope 12 feet of height will be ok. I also bought a roll of weed cloth to put on the floor to keep the thing from becoming a ragweed jungle in the spring lol. I am hoping the black weed cloth, and black barrels filled with water help retain some warmth as well.
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Where there's a will there's a nanner.
Quote:
Originally Posted by siege2050
Do you find that having the pit helps retain a lot of heat?
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In my view the main thing the pit does is regulate the minimum temp so that it won't freeze or frost.
It retains some heat, but a lot of the heat is actually lost through the ground. In the winter, the ground in there is always trying to push the temp towards about 45F, so it's easy to keep it from freezing but hard to keep it warm. Since my goal is just to keep it from freezing/frosting, the bare uninsulated floor works fine.