Owner-Supplied Items
There are certain bulky, costly-to-ship, and inexpensive items needed for building the Growing Dome kit that are available at your local home improvement or building supply store. These items are not included in the Growing Dome kit to reduce the final cost. Most materials are easily found at your local hardware store, but the sheet metal can be found at a heating and air conditioning (HVAC) or sheet metal supply store.
General Items Needed
- Three-quarter inch minus gravel for the foundation
- Forms and concrete for concrete foundations only
- Rigid foam board insulation for the foundation wall
- Sand, sheet metal, and lumber for the above-ground pond
- Four-inch corrugated drain pipe with sediment sock for the undersoil system
- Ladders and/or scaffolding (rental available)
Estimated Cost and Detailed Lists
Owner-Supplied Items for 15' Greenhouses
Actual expenses will vary based on location, foundation type, and changes in raw material prices. Click on the links below to view a detailed list of owner-supplied items by foundation type. Estimated costs are for DIY projects and do not include the cost of material delivery, hiring a contractor, or purchasing or renting ladders or other tools.
- Gravel Ring Foundation Estimated cost ≈$900
- Concrete Pier Foundation Estimated cost ≈$1,500
- Insulated Concrete Form (ICF) Foundation Estimated cost ≈$2,500
