
EXPANSION MANSION
Commercial Greenhouses
The Expansion Mansion is one of our most versatile growing structures. Ideal for the new grower, it is easily expandable and upgradable with a variety of ventilation and mechanical system options. Its traditional arch design can be fitted with double poly film or polycarbonate sheeting. It can be constructed as a freestanding or gutter-connected greenhouse.

Features
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Economical and expandable. The Expansion Mansion is one of the most economical growing structures in its class.
- Freestanding or gutter connected. Whether you need a single greenhouse or a whole range of gutter connected houses the Expansion Mansion satisfies your needs.
- Poly-Vent® sidewall venting. Thermostatically controlled, natural sidewall ventilation keeps your greenhouse at optimum growing temperatures.
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Frame-only or turn-key. You can purchase the Expansion Mansion as u bare frame or we can configure a complete turn-key operation to suit your needs.
- Double poly film or polycarbonate. Choose from inexpensive poly film or longlasting polycarbonate structured sheeting.
- Wide range of options. Custom configure your greenhouse with a wide range of heaiting, cooling, doors-and environmental systems to suit your needs.
- Heavy-duty galvanized frame. Two inch, 14 ga. galvanized frame will with stand the elements for years of growing.
Specifications
- Width: 21'-0"
- Length: starting at 18' with increments of 6'
- Sidewall height: 6', 7' or 8'
- Height to apex: 1 1'-4"
- Frame spacing: 6-0"
- Truss height: Approximately 8'-6"
- Truss system: 3-part truss made of 1 " and 1.66" galvanized tube
- Frame: 2" o.d. 14 ga. galvanized steel tube
- Purlin: (1) run of 2" x 14 ga. galvanized steel tube

Price
Frame only price includes:
Heavy-duty 2' x 14 ga. galvanized frames with 3 part galvanized trusses on all intermediate hoops, diagonal struts in corners, 2" x 14 ga. ridge purlin, ground stakes, rain gutter sections (on multiple hay configurations), heavy welded ring fittings, assembly hardware and setup manual.
Complete package price includes: Everything in frame only price and: Poly-Vent III side ventilation with 2-stage thermostats, structured sheeting under side ventilation, double poly roof and end walls with inflation kit, (2( 3'-0" x 6-8" doors, Wiggle-Wire"' poly fastener system.
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Frame Only |
Complete Package |
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Width |
Length |
Sq. Ft. |
Price |
Per Sq.Ft. |
Price |
Per Sq.Ft. |
| 1 bay |
21' |
48' |
1,008 |
$1,899a48 |
$1.88 |
$5,123.51 |
$5.08 |
| |
|
72' |
1,512 |
$2,653.50 |
$1.75 |
$6,833.44 |
$4.52 |
| |
|
96' |
2,016 |
$3,424.26 |
$1.70 |
$8,560.11 |
$4.25 |
| |
|
144' |
3,024 |
$4,949.04 |
$1.64 |
$11,996.71 |
$3.97 |
| 2 bays |
42' |
48' |
2,016 |
$4,211.56 |
$2.09 |
$8,055.68 |
$4.00 |
| |
|
72' |
3,024 |
$5,912.42 |
$1.96 |
$10,838.21 |
$3.58 |
| |
|
96' |
4,032 |
$7,646.75 |
$1.90 |
$13,654.21 |
$3.39 |
| |
|
144' |
6,048 |
$11,081.94 |
$1.83 |
$19,252.75 |
$3.18 |
| 3 bays |
63' |
48' |
3,042 |
$6,523.64 |
$2.16 |
$10,989.62 |
$3.63 |
| |
|
72' |
4,536 |
$9,171.33 |
$2.02 |
$14,856.26 |
$3.28 |
| |
|
96' |
6,048 |
$11,869.25 |
$1.96 |
$18,773.13 |
$3.10 |
| |
|
144' |
9,072 |
$17,214.85 |
$1.90 |
$26,556.63 |
$2.93 |
Options

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