The Timeless Polycarbonate Tunnel Greenhouse
Create a strong and protected growing space with The Timeless Polycarbonate Tunnel Hoop House from Prime Greenhouses. Built with a heavy-duty galvanized steel frame and twin-wall polycarbonate panels, this greenhouse is designed to help gardeners grow vegetables, herbs, flowers, seedlings, and other plants through changing seasons.
The curved tunnel design gives the hoop house strength while helping wind and snow move over the structure. The frame uses reinforced steel arches for added support, making it a durable choice for backyard gardens and larger growing spaces.
Choose between 4mm or 6mm twin-wall polycarbonate panels based on your climate. The 4mm panels are recommended for mild and moderate climates, while the thicker 6mm panels are designed for colder or harsher conditions. The panels provide about 85% light transmission, allowing plenty of natural sunlight inside while spreading the light more evenly across your plants.
Built-in UV protection blocks up to 99% of harmful UV rays. The panels are also impact- and hail-resistant and are treated to resist yellowing over time. Their twin-wall design creates an insulating layer of air that helps hold warmth inside the greenhouse.
The Timeless is built to handle challenging outdoor weather. It is rated for winds up to 65 mph and snow loads up to 32 pounds per square foot, or about 3 feet of snow. The rounded shape also helps snow slide away instead of collecting heavily on the roof.
Fresh air is easy to manage with one front door and two manual ventilation windows. One window is located at the front and another at the rear, helping air move through the hoop house and allowing extra heat to escape when needed.
The hoop house is 9.8 feet wide with a 7.2-foot ridge height, giving gardeners plenty of standing and growing room. Six different lengths are available, providing approximately 65 to 388 square feet of growing space. If you need more space later, the greenhouse can be expanded in 6.6-foot sections.
A 3.9-inch-high steel base is included to add stability and keep the polycarbonate panels away from the ground. Each arch is also anchored about 13.8 inches into the soil for extra support.
Key Features
-
Heavy-duty galvanized steel frame
-
Reinforced tunnel-style arches
-
Choice of 4mm or 6mm twin-wall polycarbonate panels
-
Approximately 85% natural light transmission
-
Blocks up to 99% of harmful UV rays
-
Impact- and hail-resistant panels
-
Anti-yellowing panel treatment
-
Insulated twin-wall construction
-
Wind rated up to 65 mph
-
Snow load rated up to 32 psf
-
One front entry door
-
Two manual ventilation windows
-
9.8-foot greenhouse width
-
Approximately 7.2-foot ridge height
-
Available from 65 to 388 sq. ft.
-
Six hoop house length options
-
Expandable in 6.6-foot sections
-
Included 3.9-inch steel base
-
Ground-anchored arches for added stability
-
Rubber seals help keep dirt and debris out of panel channels
-
Designed for assembly by two people in 2 to 3 days
-
10-year warranty on twin-wall polycarbonate panels
-
5-year warranty on the galvanized steel frame
Available Sizes
-
6.6' x 9.8' – 65 sq. ft.
-
13.1' x 9.8' – 129 sq. ft.
-
19.7' x 9.8' – 194 sq. ft.
-
26.2' x 9.8' – 258 sq. ft.
-
32.8' x 9.8' – 323 sq. ft.
-
39.4' x 9.8' – 388 sq. ft.
Whether you're starting seeds in early spring, protecting plants from changing weather, or creating more room for homegrown vegetables, The Timeless Polycarbonate Tunnel Hoop House provides a strong and flexible growing space. Its reinforced steel frame, insulated polycarbonate panels, built-in ventilation, and expandable design make it a dependable choice for gardeners who want a greenhouse that can grow with their needs.