Rugged and Efficient Design
By combining an elegant and sturdy aluminum structure, a superior fit and finish, and virtually unbreakable 8mm twin-wall polycarbonate sheeting (and its excellent insulating properties) add in a straightforward assembly plan and it makes the Therma-Gro line perfect for the backyard, hobby or institutional grower.
All ThermaGro models are built with a sturdy, white, baked enamel aluminum structure, sheeted with PolyGal 8mm Twin wall polycarbonate sheeting, which is sealed with neoprene and PVC sealing strips providing a hermetically sealed greenhouse. The standard clear 8mm sheeting has 85% light transmission and a 10 year manufacturer’s warranty not to chip, crack, fade, peel or discolor. We guarantee the greenhouse structure to be free from defect and workmanship and stand behind the quality of the structure for 1 year from date of purchase.
8 mm double wall glazing means 60%
less energy costs than
single pane glass. Straight open models
come in 12 sizes from 6' x 8' to 12' x 20'. Acrylite 8 mm double wall glazing is warranted for 10 years against excessive yellowing. Condensate control interior is drip free.
All Therma-Gro
Greenhouses have 2 full
length roof vents, giving
300% more ventilation
than other venting
systems. Hydraulicheck solar vent openers are standard and operate automatically (and silently) without electricity!
Curved Gothic styling with
two sizes to choose
from, sized 8' x 8' to 12' x
20'. LexanR Dripgar™
glazing is warranted for 1 year against hail damage or excessive yellowing.