Polytunnel doors

[Brooklynodog]

It struck me that a lot of cold air and draughts come through the standard green mesh at the top of the doors. I realise in summer thats essential, but right now when its cold at night, is it acceptable to rig up a blind of fleece or even left over film?

[richard p]

mine have stable doors covered in polythene at both ends, during the winter there is enough draught round the edges for ventilation. now i am opening the top half of the door at one end of the tunnel during the day. i find opening both ends gives too much airflow which removes too much water. even in summer i only normally open one end, i find hot and moist is better than not so hot and dry,, though the experts tell me im letting it get too hot. the cats will jump in over the bottom of the door and spend most of the day asleep amongst the strawberry flowers.

[Catherine]

Last year with the weather being hot in March and April, (well it was round here) and then very cold in May and June. I kept leaving my doors closed and consequently I got tomato blight. I am going to get my husband to make me some covers for the mesh because it is a windy site where we are and I feel things are drying out too quickly. Thanks for reminding me about that.