Twinwall insulation
6 mm twinwall polycarbonate with an R-value of 1.62 keeps temperatures even.
BCGreenhouses
Cross Country Sunhaven 8X8 Polycarbonate Greenhouse
Cross Country Sunhaven 8X8 Polycarbonate Greenhouse
A sturdy 8x8 twinwall polycarbonate greenhouse for year-round growing in colder climates, made in Canada.
Regular price
$8,350.00 USD
Regular price
$8,600.00 USD
Sale price
$8,350.00 USD
Unit price
per
Shipping calculated at checkout.
- 100% FREE SHIPPING
- AUTHORIZED RETAILER
- SECURE ORDERING
- NO SALES TAX
- PRICE MATCH GUARANTEE
- GREAT TECHNICAL SUPPORT
This Month's Deal
- Free shipping, continental US
- Price match guarantee
- Military discount
Couldn't load pickup availability
“Greenhouse quality is superb and the customer service is outstanding. Thank you to Mulberry Greenhouses!”
- 6 mm twinwall polycarbonate, R-value 1.62
- 82% light transmission with even diffusion
- Rated for 32 PSF snow and 85 MPH wind
- Automatic roof window with triple spring opener
- 64 sq ft, 75% more space than a 6x8
- Lifetime warranty, made in Canada
- 100% free shipping
- Authorized retailer
- No sales tax (except georgia)
- Price match guarantee
- BBB AccreditedA+ rating
- Shop Pay InstallmentsPay over time
- Woman-ownedMeet our team
- Why buy from usOur promise to you
Questions before you buy?
Talk to a greenhouse specialist: 678-408-8222 or [email protected]
Product Description
Cross Country Sunhaven 8X8 Polycarbonate Greenhouse
Looking for a beautiful and practical way to grow your favorite plants? Mulberry Greenhouses, an authorized dealer for BCGreenhouses, has the perfect greenhouse for you. Our large selection of high-quality greenhouses come in a variety of sizes, shapes, and styles to fit almost any budget!
Stay ahead of the growing season and grow your food in the Cross Country Sunhaven 8x8 Polycarbonate greenhouse. This durable and reliable greenhouse has been designed for year-round growing, with a strong structure and construction that will not blow over in high winds.
The Sunhaven 8x8 Twinwall Greenhouse is an ideal solution for anyone who wants to grow their food, in the right environment. Vegetables and fruits thrive in this environment with the ideal light diffusion at 82%. The twinwall polycarbonate offers temperature control and creates an even climate, ensuring your plants thrive and produce the most fruits and vegetables possible.
Made of high-quality twinwall polycarbonate, the Sunhaven Greenhouse has been designed to be strong and sturdy in heavy snow loads of up to 32 psf and strong winds at up to 85 mph, the greenhouse can be made stronger if needed, just let us know!
The Sunhaven 8×8 Twinwall Backyard Greenhouse kit is a great starter option for a beginning gardner. This greenhouse features a heavy aluminum frame spaced every 2 feet for maximum versatility and durability. It is also constructed with unbreakable polycarbonate glazing and extra width to accommodate larger benches and larger plants. The Sunhaven 8×8 Twinwall Backyard Greenhouse provides 75% more growing space than typical 6×8s and comes with your choice of white, brown, or green frame color.
Features and Benefits of the Sunhaven 8x8 Twinwall Polycarbonate Greenhouse
🌳 Frame Dimensions: 8' - 7 1/2" Height x 8' - 7 1/2" Width🌳 Side Wall Height: 5' - 6"
🌳 Ridge Height (Peak Height): 7' - 8 1/4"
🌳Floor area: 64 sqf
🌳 Straight Eave Greenhouse
🌳 Frame Material: Aluminum.
🌳 Roof and Wall Glazing: Twinwall Polycarbonate 6mm
🌳 Insulating R-Value 1.62
🌳 82% Light Transmission
🌳 Insulating R-Value 1.62
🌳 82% Light Transmission
🌳 One Automatic Roof window with Triple Spring Opener.
🌳 One heavy duty Storm Door : 32" x 74" (2'7" x 6'2") [rough opening: 34 5/8"]
🌳 Traditional Style with 5/12 Roof Slope and a Pitch of 23 degrees.
🌳 Color Options: White, Green or Brown.
🌳 This greenhouse is Ideal for Colder Climates.
🌳 Heavy Construction that won't blow over in a storm. Rated to Withstand 32 PSF of Snow load and 85 MPH of Wind load. Ideal for high winds and heavy snow.
🌳 No rotting or any paint maintenance needed-The greenhouse can better withstand cold and hot temperature changes, and any humidity level
🌳 Heavy Aluminum frame made with Aircraft grade Aluminum that is 0% recycled.
🌳 The heavy duty aluminum frame is painted with a long lasting wet baked on enamel coating that is corrosion resistant as opposed to a powder coated frame,
🌳 Insulating R-Value 1.62
🌳 82% Light Transmission
🌳 With a 15°F (-19 °Celcius) outside temperature, you will need 5,848 BTUs to heat up this greenhouse to reach 40°F (5°Celcius)
🌳 Total Weight: 480 pounds
🌳 Greenhouse Frame Prepared for Customers Wood Foundation
🌳 This greenhouse can sit on a stem/knee wall, just add a drop door kit.
🌳 Lifetime Warranty, the strongest in the market. 
🌳 
Made in Canada
What is included in your order:
📝 Written instructions and Great Customer service.
📝 Assembly Video
📝 Lifetime warranty, the best in the market
⚠ Non Returnable since these are high quality greenhouses that are built just for you.
📝 Assembly Video
📝 Lifetime warranty, the best in the market
⚠ Non Returnable since these are high quality greenhouses that are built just for you.
Delivery and Return Policy
- 🌳 Curbside Delivery
- 🌳 Once the greenhouse is ready to ship, we will send you a tracking number.
- 🌳 We deliver free to the continental USA.
- 🌳 We will contact you to arrange delivery once your greenhouse has arrived to the terminal close to you.
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🌳 IMPORTANT: The delivery vehicle is usually a tractor trailer and if you have concerns about the trailer accessing your property, being able to turn around, etc., other arrangements need to be made to ship to the closest depot.
-
🌳 No Returns are accepted for this brand of greenhouses.
- 🌳 The greenhouse is secured in wooden crates, however, if you suspect any damage during delivery please let the driver know so they can note it in their delivery form and so the manufacturer can file a claim.
- 🌳 LEAD TIME: 6 to 8 weeks, TAKE ADVANTAGE OF CURRENT PRICES BEFORE THEY INCREASE.
Technical Documents
📝 Cross Country Essential Guide Greenhouse Document
- 64 sq ft Floor area
- 8' 7 1/2" x 8' 7 1/2" x 7' 8 1/4" H Exterior size
- Heavy aircraft-grade aluminum, baked enamel finish Frame
- 6 mm twinwall polycarbonate, R-value 1.62, 82% light transmission Glazing
- 32 PSF snow load, 85 MPH wind load Snow and wind
- Lifetime Warranty
BCGreenhouses · Hobby Greenhouse
Overview
Why customers choose it
Made for colder climates
Soft, diffused light
82% light transmission with even diffusion helps plants grow without scorching.
Rated for snow and wind
The heavy aluminum frame is rated for 32 PSF snow and 85 MPH winds.
Vents itself
The roof window opens automatically with a triple spring opener.
No rot, no painting
A baked-on enamel finish resists corrosion and handles heat, cold and humidity.
Knee wall ready
Add the drop door kit to set the greenhouse on a stem or knee wall.
The details
Specifications
Size
| Floor area | 64 sq ft |
|---|---|
| Exterior size | 8' 7 1/2" x 8' 7 1/2" x 7' 8 1/4" H |
| Walking height | 5' 6" at the side walls, 7' 8 1/4" at the ridge |
| Roof | Straight eave, 5/12 slope (23 degrees) |
Structure
| Frame | Heavy aircraft-grade aluminum, baked enamel finish |
|---|---|
| Colors | White, green or brown |
| Glazing | 6 mm twinwall polycarbonate, R-value 1.62, 82% light transmission |
| Rafter spacing | Every 2 ft |
| Snow and wind | 32 PSF snow load, 85 MPH wind load |
| Weight | 480 lbs |
| Foundation | Frame prepared for a wood foundation |
| Made in | Canada |
Doors and ventilation
| Door | 32" x 74" heavy-duty storm door (rough opening 34 5/8") |
|---|---|
| Roof window | 1, automatic triple spring opener |
Heating
| Heating need | 5,848 BTUs to hold 40°F at 15°F outside |
|---|
Assembly and warranty
| Assembly | Written instructions and assembly video |
|---|---|
| Warranty | Lifetime |
Plan, build and permit
Technical documents
Every manual, drawing and certificate is hosted on our own servers, so the links always work. Open on any device or save a copy for your builder or permit office.
Free curbside freight delivery
How delivery works
-
1
You place your order
Choose your size, color and options. Your greenhouse ships from the manufacturer's warehouse, packed for freight.
-
2
We call to schedule
We'll contact you to set up a delivery time frame that works for you.
-
3
Free curbside freight
Delivery is by LTL motor freight on an 18-wheeler. Let us know about tight roads or low wires so we can plan ahead.
-
4
Receive and unload
Someone needs to be there to receive the delivery. The driver does most of the work but may need a hand.
Foundations and bases are bulky, so we recommend ordering them together with your greenhouse to avoid a separate freight charge.
Good to know
Frequently asked questions
Can't find your answer? Our greenhouse specialists are happy to help you choose.
678-408-8222 Email usIs the Sunhaven good for cold climates?
Yes, it is designed for colder climates and year-round growing. The 6 mm twinwall polycarbonate has an insulating R-value of 1.62 and creates an even climate. With 15°F outside, about 5,848 BTUs will keep it at 40°F.
Can it sit on a knee wall?
Yes. Add the drop door kit in the options above and it can sit on a stem or knee wall. The frame is also prepared for a wood foundation.
How strong is it?
It is rated for 32 PSF of snow and 85 MPH winds, and it can be made stronger if needed; just ask us. The heavy aircraft-grade aluminum frame has rafters every 2 feet.
How much light gets through?
The twinwall polycarbonate lets through 82% of the light and diffuses it evenly, which helps vegetables and fruits thrive.
Is shipping really free?
Yes. Shipping is free. Locations with limited access, such as islands, are rare exceptions that may carry an extra fee, and we'll tell you before anything ships.
Do you offer a price match?
Yes. If you find the same greenhouse for less from an authorized dealer, call or email us with the offer and we'll review it.
Are you an authorized retailer?
Yes. Mulberry Greenhouses is an authorized retailer, so your greenhouse is covered by the full manufacturer warranty.
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