1"x150' Aluminum Tape (Top Twinwall) non_inventory_item They are a great option

They are a great option for greenhouses with automated ventilation

Greenhouse Repair Tape is a cost-effective solution designed to extend the life of your greenhouse cover when it snags against the frame or if it is damaged by flying storm debris or snow overload

H-Channels also help keep out dirt

Simplify your nutrients by directly installing Dosatron Doser into the water line

1"x150' Aluminum Tape (Top Twinwall) non_inventory_item They are a great optionThis foil tape is used to seal the upper ends of polycarbonate sheets before installation to prevent dust, debris, or moisture from entering the cells. 1"x150' roll.