During the colder months, a polythene Ventilation Screen is the ideal way to screen off the ventilation net incorporated into a Timber Side Rail Kit, allowing you to create the environment which best suits your plants all year round.
In this video we show you how to assemble your Ventilation Screen.
The first step is to insert the gearbox into the aluminium track on the timber upright. Fix both timber uprights to the side rail at each end of the tunnel (once the side rails have been lowered to their original position).
Assemble the steel lifting bar with the square adaptor at the gearbox end, securing the sections together with a self drill screw.
At the opposite end, cut the steel lifting bar to fit between the timber uprights.
Trim off the polythene screen along the ground leaving approximately 1ft of overlap and in line with the ends of the steel lifting bar. Wrap the excess polythene screen around the lifting bar and secure with the black plastic C Clips provided.
Using the handle provided, check the screen rolls up and down perpendicular to the side rail.
Tension the polythene end panels and ventilation net into the trench or down to the Base Rails, depending on which option has been chosen. Fix in place by backfilling with soil or using timber battens and nails. Tension the ventilation net out to the timber uprights and batten in place, then tension the polythene end panels out to the timber uprights and door frames, battening in place.
Taking care, trim off any excess.

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