Riverstone Industries Mont Greenhouse Extension
Best expansion kit for serious gardeners needing more growing space.
This extension is the most seamless way to scale your growing space without starting from scratch. By integrating matching premium features like automated ventilation and irrigation, it turns a simple add-on into a fully functional expansion. It’s a serious upgrade for anyone who has outgrown their original footprint but isn't ready to build a second structure.
$1169.99
at
Planet Greenhouse
Who it's for
- Gardeners needing extra room for diverse plant collections
- Owners prioritizing long-term durability and weather resistance
- Design-conscious growers wanting a seamless, professional greenhouse look
Who should skip it
- Budget-focused buyers seeking affordable greenhouse upgrades
- DIYers wanting a quick, hassle-free installation process
- Gardeners who frequently relocate or reconfigure their outdoor space
Performance breakdown
Structural Integrity
Heavy-duty aluminum framing provides exceptional rigidity and long-term weather resistance.
Insulation Efficiency
8mm twin-wall polycarbonate panels offer superior heat retention for year-round growing.
Climate Control
Automatic roof vent integration ensures consistent airflow without manual intervention.
Assembly Complexity
Straightforward design makes this a manageable weekend project for two people.
Expansion Seamlessness
Engineered specifically for the Mont line, ensuring a perfect, flush fit.
Utility Integration
Premium package additions like shelving and watering systems maximize functional space.
Key Specs
Dimensions
49"W x 101"L x 90"H
Frame Material
Heavy duty extruded aluminum
Glazing
High impact UV stable 8mm twin wall polycarbonate
Snow Load Capacity
24 lbs/sq. ft.
Wind Load Rating
65 MPH
Ventilation
2ft x 2ft roof vent with automatic opener
Finish
Black electrostatically painted frame
Country of Origin
USA
Floor Area
33.21 sq. ft.
Peak Height
90 inches
Know before you buy
Still have a question?
Ask Metto anything about the Riverstone Industries Mont Greenhouse Extension before you decide.
