Designed specifically for Alton greenhouses

Corrosion-resistant coated steel hub

Recipe customization (up to 10 Thermal Treatment and 12 Drying steps)

Snow load of 30 lbs/sqft - one of the strongest do-it-yourself buildings

Approximately 12ft

Janssens | Side Window Fly Screen FURNITURES Designed specifically for Alton greenhousesThe Janssens Side Window Fly Screen is an optional addition to your push open tilt out side window in your Janssens greenhouse. They are mounted inside of the greenhouse. They include a slot brush "seal" opening for the window operating device. Factory assembled only need to insert. Note that if you are mounting your window in the corner of a Victorian greenhouse where there is a diagonal wind brace, and thus the window opener is offset to the side to