Skip to content
U.S. Family Owned Business
832-363-8000
Excellence Since 2020

Spend To Unlock Free Shipping

MONT™ 8 x 4.ft Greenhouse Extension - Dive To Garden
MONT™ 8 x 4.ft Greenhouse Extension - Dive To Garden
MONT™ 8 x 4.ft Greenhouse Extension
MONT™ 8 x 4.ft Greenhouse Extension

MONT / Riverstone

MONT™ 8 x 4.ft Greenhouse Extension

$1,100.00
Honor Discount

Package:  Basic.  Premium.  Mojave.  Moheat. Grower. DTG8X20

Size:  8x8.  8x12.  8x16.  8x20.  8x24.

Copy of Free Jackery Powerstation.png__PID:f9b92eef-1eef-4adf-a897-128163685052

Brand Direct

AUTH Dealer

free curbside.jpg__PID:6e7349e9-df97-4e96-8a81-d6d1467faaf7

Curbside Delivery

100% Free

30 DAYS (1).png__PID:112f4a14-7d2a-4c9d-9e4a-f9b2b59b008b

Excellent Service

100% Satisfaction

Price Match

Tax Included

monticello-greenhouse-exclusive-mont-8x8x20-ft-greenhouse-dtg-edition-1.webp__PID:7988f4e5-9583-4a64-b481-bb076450ff94

DURABLE. EFFICIENT. SECURE

The MONT greenhouse by Riverstone Industries, proudly made in the USA, sets a new industry standard with American ingenuity. Constructed from high-quality extruded aluminum and electrostatically painted black, it uses over 40 lbs. more aluminum than average imported greenhouses, ensuring superior strength and durability. The 8mm twin-wall polycarbonate provides excellent insulation for year-round growing and reduced energy costs.


WHY MONT

  • Uses 40 lbs. more aluminum than average greenhouses
  • Electrostatic black paint with 0.0% lead
  • Wind Resistant up to 70 mph. Snow Rate 24 PSF
  • Extendable with a 4 ft. extension kit and add 2nd entrance
  • 8mm twin-wall polycarbonate for superior insulation
  • EASY assembly construction, Integrated flush base design
  • Automatic roof vent opener and redesigned double doors
  • New door and window locks for increased wind protection
  • Interior height of 7 ft. 6 in. for ample space
  • Integrated base and rainwater gutter system
  • 10-year warranty on frame and polycarbonate

Check New Door Feature

111.jpg__PID:7b080a56-625a-4a6f-8289-3b1fa63b6b0d

DETAIL

64

Area (Sq.Ft)

101"

Length

101"

Wide

90"

Peak Height

1

Roof Window

SPEC

  • Door Entrance: 1
  • DTG 8X20 Door Entrance: 2
  • Door Size: 48" x 72"
  • Window Size: 24" x 24"
  • Automatic Opener: Yes
  • Gutter System: Yes
  • Extendable: 4 ft.

PACKAGE

  • Greenhouse w/. 6 roof windows
  • Watering system
  • Work bench system
  • Back door kit
  • Front door kit 

SUPPORT

  • Manual
  • Warranty Document
  • Call us for Installer
  • About us
Monticello_greenhouse_kit_roof_joint.jpg.webp__PID:aeed1fdd-9a02-40e9-83ae-b885088050ef

FAQs

Question? 832-363-8000 or Chat Now

Customer Reviews

No reviews yet
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Add Accessories

greenhouse-accessories-riverstone-greenhouse-interlocking-flooring-system-7.jpg__PID:c3e27de8-27d8-4554-a429-77223ff7f065

Outdoor

  • Floor System
  • Outdoor Sink System
  • Led Light
  • Work Bench System
MONT-SOALR (1).jpg__PID:9417c3e2-7de8-47d8-8554-a42977223ff7

Climate & Window

  • 18" Louver Window
  • Solar Exhaust System
  • Automatic Roof Window
  • Shade Cloth
  • Phoenix 9554 BTU Heater/Fan

Also Like

MONT™ 8x8x12.ft Black Greenhouse Premium Package
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x12.ft Black Greenhouse Premium Package
MONT™ 8x8x12.ft Black Greenhouse Premium Package
MONT™ 8x8x12.ft Black Greenhouse Premium Package
MONT™ 8x8x12.ft Black Greenhouse Premium Package
MONT™ 8x8x12.ft Black Greenhouse Premium Package
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x12.ft Black Greenhouse Premium Package
MONT™ 8x8x12.ft Black Greenhouse Premium Package
MONT™ 8x8x12.ft Black Greenhouse Premium Package
MONT™ 8x8x12.ft Black Greenhouse Premium Package

MONT™ 8x8x12.ft Black Greenhouse Premium Package

$4,999.00
MONT™ 8x8x16.ft Black Greenhouse Premium Package
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x16.ft Black Greenhouse Premium Package
MONT™ 8x8x16.ft Black Greenhouse Premium Package
MONT™ 8x8x16.ft Black Greenhouse Premium Package
MONT™ 8x8x16.ft Black Greenhouse Premium Package
MONT™ 8x8x16.ft Black Greenhouse Premium Package
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x16.ft Black Greenhouse Premium Package
MONT™ 8x8x16.ft Black Greenhouse Premium Package
MONT™ 8x8x16.ft Black Greenhouse Premium Package
MONT™ 8x8x16.ft Black Greenhouse Premium Package

MONT™ 8x8x16.ft Black Greenhouse Premium Package

$6,099.99
MONT™ 8x8x20.ft Black Greenhouse Premium Package
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x20.ft Black Greenhouse Premium Package
MONT™ 8x8x20.ft Black Greenhouse Premium Package
MONT™ 8x8x20.ft Black Greenhouse Premium Package
MONT™ 8x8x20.ft Black Greenhouse Premium Package
MONT™ 8x8x20.ft Black Greenhouse Premium Package
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x20.ft Black Greenhouse Premium Package
MONT™ 8x8x20.ft Black Greenhouse Premium Package
MONT™ 8x8x20.ft Black Greenhouse Premium Package
MONT™ 8x8x20.ft Black Greenhouse Premium Package

MONT™ 8x8x20.ft Black Greenhouse Premium Package

$7,199.99
MONT™ 8x8x24.ft Black Greenhouse Premium Package
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x24.ft Black Greenhouse Premium Package
MONT™ 8x8x24.ft Black Greenhouse Premium Package
MONT™ 8x8x24.ft Black Greenhouse Premium Package
MONT™ 8x8x24.ft Black Greenhouse Premium Package
MONT™ 8x8x24.ft Black Greenhouse Premium Package
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x8.ft Premium Greenhouse Kit - Dive To Garden
MONT™ 8x8x24.ft Black Greenhouse Premium Package
MONT™ 8x8x24.ft Black Greenhouse Premium Package
MONT™ 8x8x24.ft Black Greenhouse Premium Package
MONT™ 8x8x24.ft Black Greenhouse Premium Package

MONT™ 8x8x24.ft Black Greenhouse Premium Package

$7,949.99
price match policy

Sign Up Now

Get the latest sales, tips and more. No spam guaranteed!

Model:  MONT-4-BK

The MONT™ 4 foot extension kit is specifically designed for the MONT™ line of greenhouses. The idea is simple, as your gardening greenhouse needs grow so can you greenhouse. The 4 ft extension kit allows for the expansion of your greenhouse. The MONT™ is proudly made in the USA from start to finish. Each 4ft extension kit comes includes a 2ft x 2ft roof vent with automatic opener and gutters. When ordering your extension kit make sure that the color matches your existing greenhouse.

This one is designed specifically for Black frames and will work with the following greenhouses:

MONT-8-BK

MONT-12-BK

MONT-16-BK

MONT-20-BK

MONT-24-BK.

FEATURE

  • Quick assembly construction.
  • Integrated flush base design.
  • High impact UV stable 8mm twin-wall polycarbonate walls and roof.
  • Heavy-duty extruded aluminum frame construction. Black electrostatically painted frame.
  • Allow for a FULL weekend to Fully Assemble. Two people suggested assembly. The Manual is fully illustrated.

  • 1 - 2ft x 2ft roof vent with automatic openers. Integrated dual rainwater gutter system.
  • The snow load capacity of 24 lbs/sq. ft., Wind load of 65 mph

WHAT'S IN THE BOX

  • All Aluminum Framework
  • All PC panels
  • Hardware
  • Screwdriver and wrench

  • Instruction manual
FRAME MATERIAL Aluminum
ASSEMBLY REQUIRED (Y/N) Yes
WATERPROOF (Y/N) Yes
WATER-RESISTANT (Y/N) Yes
PRODUCT FABRIC Polycarbonate
R-VALUE 1.60
U-VALUE 0.58
SHADE CLOTH INCLUDE No
# OF PEOPLE FOR ASSEMBLY 3+
ASSEMBLY TIME  2 Full Weekend
SHIPPING METHOD UPS Ground
BASE LENGTH (Inch) 49
BASE WIDTH (Inch) 101
BASE HEIGHT (Inch) 90
SHIPPING BOX  1
SHIPPING WEIGHT 67 Lb
ASSEMBLED EXTERIOR DIMENSIONS DEPTH (ft) 8
ASSEMBLED EXTERIOR DIMENSIONS HEIGHT (ft) 7.5
ASSEMBLED EXTERIOR DIMENSIONS WIDTH (ft) 4
TOTAL STORAGE VOLUME (CU. FT.) N/A
TOTAL STORAGE AREA (SQ/FT) N/A
  • Why Monticello?

Montecello brand which made in USA offers a wide range of professional greenhouses. It aims to high end need market with 3 equited packages, but has greate valye of money. The sturdy permanent structure are designed to face any weather conditions, and provide up to 15 years warranty.

  • Are you authorized to sell MONT® Products?

DivetoGarden.com is authorized dealer of the Riverstone Industury® which is manufactuer of MONT Greenhouse, Eden Gardenbed and Genesis indoor Greenhouse.

Call: 612-787-7863 to verify our dealership. 

  • Do I need permit ?

It is depend on local government. Please talk to them before buy the greenhouse.

  • Do I need base?

We suggest you install Monticello on patio with concrete or wood base. 

  • Can I extend Monticello?

Yes.  Shop Extention Kits here

  • Can this greenhouse be relocated?

Yes. It can be disassembled and move to another location.

  • How much does shipping cost?

FREE SHIPPING for Monticelo greenhouse and accessories to 48 States.

  • What method of shipping do you use?

Monticello greenhouses can ship by UPS Ground and LTL freight. We will contact you for the best option after receive order.

  • Can I pay now and ship later? 

Depends. Due to the inventory status, Riverstone will make decision to take pre-order or no. Please contact us. 

  • Can I schedule my delivery? 

Yes. Select "Appointment Delivery" option when checkout, the freight carrier will deliver to you the date you prefer. 

  • What is the lead time to process?

It take 3 business days to process the order to ship. 

  • Is that hard to set up?

Setting up a greenhouse is always a bit of a challange, Mont partner with us to offer greate USA base customer service. You can contact us or Riverstone when any issues appear, we are here to help you. 

  • Still have questions? 

Check our general FAQ page or chat with us. 

SHOP MONT®