Greenhouse Foundation
seamommy
15 years ago
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fuzzymoto
15 years agolast modified: 9 years agoRelated Discussions
Ratproofing the greenhouse foundation.
Comments (1)The problem i have is with voles. I'm sure the solution is the same but before i do all that work i'm going to try keeping the foundation clean, plus keeping the interior free of places they can hide. Poppa...See MoreBest commercial greenhouses/GH manufacturers?
Comments (4)I bought a 1700 sq ft from Stuppy. It is a very good setup and very strong. We don't have heavy snow loads, maybe 4 lbs per sq ft max. But that's still 1000s of pounds. Two feet of snow is about what 16 lbs per sq ft, ~16,000 lbs on your size. So it better be strong or shed really well. Mine has 12,000 lbs concrete on each side, ~5 yds/side. That's in case the wind hits 80 mph which is possible here. The plans called for piers 16 inch by 60 inch deep for each column. I couldn't dig a hole anywhere near that size so dug a trench and set the columns in a foundation about 15 inches by 20 inches deep with plenty of rebar. And I ordered extra strong concrete and poured it thick and dry for extra strength. It's a better foundation than many houses around here. On a windy day I don't regret a penny spent there. Any structure is only as good as it's foundation. Even built like mine the foundation was only about 5% of total cost, $1200 in 2005. I'd buy from someone like Stuppy that will engineer a structure to meet your climatic and growing requirements. That will get you a 50 year structure, maybe longer. Cheaper by the year than cutting corners. The northern starter package with 30 lb snow load rating would be a starting point. I think that's 30 lbs per sq ft. Here is a link that might be useful: northern starter package...See MoreHarbor Freight Greenhouse project
Comments (4)Hey tmc2009, looks like a good start. I don't know how well the block foundation will work for heat retention, but building a sturdy foundation for these things is never a bad idea, in my opinion. Interesting about the old house or barn foundation you uncovered during the excavation. We enjoy discoveries like that too, although we have never had the pleasure of owning a property inhabited as far back as yours. I'm just finishing loading my 10x12 for the winter (still cramming plants in with a shoehorn.) It's not cold here yet, but it takes me a long time to get everything situated cheek-to-cheek on and underneath the benches. Hope your build goes well. Here is a link that might be useful: Building our Harbor Freight 10x12 Greenhouse...See MoreGreenhouse foundation
Comments (0)A greenhouse may be built upon a foundation of timbers, block, brick, or concrete. Elevating the foundation has the advantage of gaining height and headroom in some greenhouses. The greenhouse foundation should be stable, level, and square. A popular material for the floor is " crushed rock, but the floor may be concrete, dirt, mulch, brick, or tile. The installation of perforated drains beneath a porous layer of flooring helps to assure good drainage. When building a greenhouse, it is useful to insulate the foundation. This will prevent the loss of heat through the ground and permit the ground to act as a "heat sink." The installation typically consists of 1-2 inches of polyurethane or polystyrene insulation 1.5-2 feet deep around the foundation. Information provided by: Stressbaby...See Morezacman44
15 years agolast modified: 9 years agoseamommy
15 years agolast modified: 9 years agokudzu9
15 years agolast modified: 9 years agozacman44
15 years agolast modified: 9 years agokudzu9
15 years agolast modified: 9 years ago
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