Mt. Rainier 8x12 GreenhouseMt. Rainier 8x12 Greenhouse2
Width: 8' wide
Length: 12' long
Height: 9.11' tall
Sidewall: 5' 8" tall
Cover: 4.5 mm twin wall polycarbonate
Door: 28" w x 78" h - dutch
39" wide door available
Ventilation: roof vent, base vent, dutch door
Base: included - weatherproof
Warranty: 5 year frame, 10 year poly
Note: Accessories for this kit in the tab below
***Big Discounts When Ordering Accessories with Sunshine Gardenhouse Greenhouse Kit!***
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Mt. Rainier 8x12 Greenhouse More Details
7 Boxes, Weight 587 lbs.
*** approx 4 week fulfillment ***
NOTE from the Sunshine factory:
Due to a disruption in the supply chain of materials
caused by the COVID 19 pandemic
there is an approximate 4 week lead time in production and fulfillment.
• Place your order now to save your place in the shipping queue
• Your credit card will not be charged for up to 30 days while waiting for shipment
Our largest greenhouse kits maximize your greenhouse experience. Standing very nearly ten feet tall at the peak and eight feet wide, there is plenty of room for growing and relaxing.
Each Mt. Rainier Model is made with a clear natural redwood frame, twin wall polycarbonate and includes four vents with automatic vent openers, Dutch doors and a base made with recycled plastic. With up to four optional benches, you can optimize your space.
With our pre-assembled panels, you can easily assemble your greenhouse in just a short time--a 6' x 8' model, one of our most popular, takes two people about three to four hours to complete.
Each kit includes easy to follow printed instructions, clearly labeled panels, as well as an assembly video.
Automatic Vents Simplify Climate Control
Automatic vent operators on the roof and base vents require no electricity or batteries. The vent operator contains a paraffin (wax) that expands when the temperature reaches about 65°F, pushing the vent open to its fully opened position at about 85°F. As it cools and the paraffin contracts, the operator’s springs draw each vent closed. It is adjustable within approximately 5°F and easily detachable for manual operation.
Redwood Bench Kits
Specially designed matching redwood benches are available that run the full length of the Sunshine GardenHouse. Mt. Rainier models are 31″ deep. Up to 4 benches can be used in each GardenHouse.
Great looking and durable redwood 2"x2" frames are naturally resistant to insect and moisture damage, and use only second growth redwood to preserve old-growth redwood. They immune to rot, impervious to termites and won't split or warp
45° roof slope transmits low angle sun in the winter, and reflects high angle sun in summer. Durable plastic frame base with the authentic look, color and texture of redwood, but with the consistent properties of plastic, making it resistant to insect and moisture damage and sheds snow in the winter easily.
Provides ample headroom and plant-hanging space.
No foundation required. Simply prepare a flat surface of gravel, wood, cement, or other material as indicated. So lightweight that with a few helping hands it can be moved seasonally.
NOTE: I have done this, including putting it over a fence. The 6x8 requires 4 to move it and 6 is recommended for lifting over a fence. If you have teenagers at home (which we did) this is a great time to bribe them with pizza to bring in thier friends.
Assembles easily and quickly. By far the easiest of the many greenhouse kits that I have built at our retail garden center. Major kit components are panelized for an easy sure fit. Each kit comes with easy-to-follow instructions, and a convenient product assembly video. All parts are pre-fabricated and can be assembled in less than a day with the aid of a power (Phillips) screw driver, a 6' step ladder, a 12' tape measure and 4 tubes of clear silicon caulking.
Double-wall polycarbonate panels will not crack or shatter, they retain heat in winter, diffuse light for even plant growth and block 98% of harmful UV rays. The double-walled, ribbed, translucent polycarbonate has 30 times the impact strength of acrylic and 200 times that of glass. Patented rigid tie connectors make the structure rigid and strong.
We did our own wind test with this using a small aircraft. Best guess from standing in front of the prop right beside the greenhouse holding a wind meter was in the 70-80 mph range.
Mt. Rainier 8x12 Greenhouse Reviews
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Featured positive reviews:
Can't believe it's been almost three years now. We purchased the 8x12 with a few stipulations from my partner. 1. It be maintainable and attractive for years to come. 2. It be on a significant foundation to seem more "footed" and blend in with the house. 3. It have a solid stone paver floor. 5. I, as it's only user, took nonissue with any of these points.
I was worried if they could be done by just me and a friend but through customer support and research learned that it was more beneficial to me as a floral designer to have more height. (My work is often large so headroom was imperative.) plus it gives extra room for more shelving and storage for things such as hanging plants, orchids or even vines and branches I use decoratively in my work which can "live/store" up in the rafters. We had it wired for 220 outlet and 110 outlet for lighting, heat and air. Even in the south to continue to maintain or grow plants required heat and air of some sort, especially after adding 20" foundation
Mt. Rainier 8x12 Greenhouse Accessories:
39" Fully Accessible Door upgrade
If your order includes bench kit(s) we
will have it sized to fit with this door.
- Made with attractive, high-quality redwood
- Creates an excellent work and storage space
- Fits the 8ft. x 12ft. Mt. Rainier GardenHouse greenhouse
- 31" wide x 12' long
- Complete with all hardware necessary for assembly
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each kit contains two anchors
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