Optional Base
You can purchase the optional
base that is made for each greenhouse kit or you can build your own
base out of pressure treated 4x4's. With the high cost of timber and
brackets to build your own base many folks spend the $85 - $145 to
have the custom base shipped free with the greenhouse purchase.
We have put all the bases on
the "add to cart" page for each greenhouse so it is impossible to
pick the wrong one.
Permanent foundations should be provided for
glass, fiberglass, or the double-layer rigid-plastic sheet
materials. The manufacturer should provide plans for the foundation
construction. Most home greenhouses require a poured concrete
foundation similar to those in residential houses. Quonset
greenhouses with pipe frames and a plastic cover use posts driven
into the ground.
Permanent flooring is not recommended because it
may stay wet and slippery from soil mix media. A concrete, gravel,
or stone walkway 24 to 36 inches wide can be built for easy access
to the plants. The rest of the floor should be covered by several
inches of gravel for drainage of excess water. Water also can be
sprayed on the gravel to produce humidity in the greenhouse.
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