Which surface is the best?

Even if it is a relatively small and usually not very heavy structure, it has to be Greenhouse subsurface stable and stable and therefore requires particularly good preparation. Neither a self-assembled nor a prefabricated house may simply be placed on the ground because it damages the stability and the plants, as a result of the associated leakage near the ground, Likewise.

A stable substructure ensures a long service life

While it is up to you whether you want a wood, concrete or brick foundation as a solid basis for walls and roof construction when you build your own is chosen, the prefabricated houses are usually accompanied by a precise foundation plan, which is binding for the assembly work and must be observed got to. About the various options available with the Building a foundation are common, we have already reported. From a structural point of view, the foundation as a greenhouse underground has mainly the task of

all horizontal and vertical forces of the superstructure. Nevertheless, it also plays an extremely important role, which will be essential for the later growth of the plants and maybe even relieve your wallet.

The thermal function of the greenhouse underground

Even if we have only stayed relatively briefly in our climatically moderate Central European latitudes over the past few years If you were allowed to enjoy winter impressions, longer and more severe frost periods should never be entirely for the future exclude. With normal floor structures would be the frost line in the average garden in one Earth depth between 70 to 80 cm. Anyone who carefully prepares their greenhouse underground for these dimensions has a good chance, even without heating, that the interior will remain essentially frost-free and that the possible heating coststhat arise for air conditioning, keep them in a bearable order of magnitude.

Preparation of the subsoil

Especially with the planned planting at ground level, digging a “pit” will definitely pay off during later use. A concrete ring foundation insulated with rigid foam panels to a depth of 70 to 80 cm ensures that the Geothermal energy can rise unhindered, so that the ground does not usually freeze even in unheated houses will come. The temperature measured on the surface is in such houses even during longer periods of frost average at 3 ° C.