When you’re a new grower, you’ve got to start somewhere, and our economical Expansion Mansion makes that easy to do! If you’re an established grower you’ll enjoy the simplicity of upgrading and expanding as your needs evolve with this highly versatile structure.

The Expansion Mansion provides you with loads of feature selections—like poly film or polycarbonate sheeting, and a wide range of environmental systems. So whether you’re new or established, you’ll certainly benefit from a structure that gets you started and keeps you going for years of profitability.

Economical Advantage:
One of the most economical growing structures for its class, this structure delivers quality and affordability.

Optimal Ventilation:
The thermostatically controlled side wall ventilation system provides maximum circulation.

Connection Options:
Assemble as a freestanding structure, or gutter-connect to other Expansion Mansions.

• Pricing
• Features
• Options
• Specifications

Pricing

Frame only price includes: 2” O.D. 14 ga. galvanized frames, 3-part galvanized trusses on all intermediate hoops, diagonal struts in corners, 1.315” O.D. 17 ga. ridge purlin, ground stakes, rain gutter sections (on multiple bay configurations), heavy welded ring fittings, assembly hardware and setup manual. Standard package includes: Everything included in frame only price and: Poly-Vent® III side ventilation system with 2-stage thermostats, clear, 8mm polycarbonate sheeting under side ventilation, double poly roof and end walls with inflation kit, (2) 3’-0” x 6’-8” swinging doors, and Wiggle-Wire™ poly fastener system. Prices are subject to change. Additional configurations are available. Please call for a quote.
21' free standing
Width	Length	Square feet	Frame only price	Standard package price
21'	48'	1,008	Call for Pricing	Call for Pricing
21'	72'	1,512	Call for Pricing	Call for Pricing
21'	96'	2,016	Call for Pricing	Call for Pricing
21'	120'	2,520	Call for Pricing	Call for Pricing
21'	144'	3,024	Call for Pricing	Call for Pricing

42' twin span
Width	Length	Square feet	Frame only price	Standard package price
42'	48'	2,016	Call for Pricing	Call for Pricing
42'	72'	3,024	Call for Pricing	Call for Pricing
42'	96'	4,032	Call for Pricing	Call for Pricing
42'	120'	5,040	Call for Pricing	Call for Pricing
42'	144'	6,048	Call for Pricing	Call for Pricing

63' triple span
Width	Length	Square feet	Frame only price	Standard package price
63'	48'	3,042	Call for Pricing	Call for Pricing
63'	72'	4,536	Call for Pricing	Call for Pricing
63'	96'	6,048	Call for Pricing	Call for Pricing
63'	120'	7,560	Call for Pricing	Call for Pricing
63'	144'	9,072	Call for Pricing	Call for Pricing

Options

 

Ventilation
Schaefer fiberglass exhaust fans and Plant-Air HAF circulation fans give you many choices for mechanical ventilation. Exhaust Fans Click here for more information. Circulation Fans Click here for more information.

Roof & End Wall Polyethylene
A choice of clear 6 mil. roof polyethylene with clear poly on the end walls. Our poly coverings are UV stabilized, and come with a four-year limited warranty.

Wiggle Wire®
Used on thousands of greenhouses, Wiggle Wire has proven to be a low-cost, effective system to attach polyethylene or shade material to greenhouses. Quick and easy to use, the Wiggle Wire attachment system requires no tools. Click here for more information

Shade Cloth
Various percentages of knitted shade cloth are available from 30% - 90%. Click here for more information

Inflation Kit
Our pre-assembled roof inflation kit creates an insulating dead air space between a double layer poly roof for greater energy efficiency and visual appeal. Gives you that nice tight, even poly look. Includes blower, heavy-duty mounting bracket, flex tube and air-transfer gaskets. Click here for more information

 

Specifications

Width	21'	Door	(2) 3' wide x 6'-8" tall
Length	24 to 96 feet (in 6-foot increments)	Roof cover	clear 6 mil. UVI treated polyethylene
Sidewall height	6', 7' or 8'	End wall cover	clear 6 mil. UVI treated polyethylene
Height at apex	11'-4"	Frame	2" O.D. 14 gauge galvanized steel tubing
Frame spacing	4 or 6 foot	Ventilation	Poly-Vent or Slide-Side