1"x150' Aluminum Tape (Top Twinwall) non_inventory_item H-Channels also help keep out

H-Channels also help keep out dirt

That’s because the blue light gets filtered out when the Earth tilts away from the sun and the light has to pass through more of the atmosphere

Black on the inside to create darkness for your plants

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

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1"x150' Aluminum Tape (Top Twinwall) non_inventory_item H-Channels also help keep outThis 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.