BASE FRAMES
ALWAYS ERECT YOUR GREENHOUSE ON A GOOD FOUNDATION

Before you erect the greenhouse, it is important to have a strong and stable foundation correctly anchored in the ground. That is why we recommend you buy an original Halls steel base designed for the model you select. The galvanized steel base adds 5" to the greenhouse height and is simple to assemble.

SHOWN WITH BASE FRAME

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CLOSE UP VIEW OF BASE FRAME

SHOWN WITHOUT BASE FRAME (not recommended)

Greenhouse kits placed on the ground without an established base run the risk of damage to the greenhouse frame structure. Over time the frame can settle and warp, causing windows and doors to jam or not shut correctly. A base frame will also allow a better opportunity to anchor your greenhouse and lessen the chance of damage by high winds or other weather conditions.

Base Assembly Questions

Halls greenhouses are designed to be assembled by the 'do-it-yourselfer'. Supplied in kit form, all aluminum framing parts are precision cut and predrilled. All nuts, bolts and screws are included, along with well-illustrated instructions. Glass or polycarbonate panels are all precut as well. Only a few tools are required: Phillips screwdriver (a cordless driver is helpful), ratchet w/ 10mm socket, 10mm or adjustable wrench, pliers, hammer, gloves, stepladder.

Each greenhouse must be placed on a sturdy base. The easiest way is to purchase the Halls steel base for your particular greenhouse model, which includes anchor pegs to set in concrete to prevent your greenhouse from moving in high winds.
 

If you opt to build your own base, the actual outside dimensions are as follows:

Your greenhouse frame will then sit nicely on your base, with a slight overhang all around. You will need to drill at least one hole in each 2' section of the bottom sill all around, to attach the frame to your base with screws (2" long). Be sure to drill the holes toward the inside of the frame so the screw heads will not interfere with the glazing panels. We recommend using pressure treated 4x6 lumber (on edge) for your base.