Setting up greenhouse on deck


Old 10-08-18, 08:29 PM
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Setting up greenhouse on deck

So I'm going to set up a little greenhouse on my deck, I was wondering how to seal out the cold from the bottom? I'm thinking a raised platform with drainage holes. Prefer a simpler solution though ..
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Old 10-09-18, 05:55 AM
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You aren't going to seal out the cold. No matter what you do the greenhouse is going to cool rapidly unless you heat the snot out of it. And, cold air sinks so cold won't naturally try to rise up into the greenhouse.

If you do want something on the bottom I would just put down a scrap of plywood or rigid foam. I wouldn't bother with drain holes as water should leak out pretty well where your greenhouse meets the sheet.
Old 10-13-18, 05:46 AM
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I was more thinking about wind blowing whatever warmish air is trapped. A greenhouse relies on being sealed to keep whatever warmth it has built up from the sun. A good gust of air will push it all out. I don't plan to have it being warm in winter, just on either end of summer. Thanks Pilot
Old 10-20-18, 11:59 PM
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Mix and lay 4" or more of perlitecrete or vermicrete. You make your own, from perlite or vermiculite respectfully.
Floor insulation is very important in all applications, whether it be a house, pizza oven, or in your case, a greenhouse

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