In article ,
says...
Forgot to mention that it's an aluminium greenhouse.



There are channels in the aluminium, you need the green plastic clips
that push in one way taking a bit of bubble wrap with it then you turn 90
degrees and they lock
--
Charlie Pridham, Gardening in Cornwall
www.roselandhouse.co.uk
Holders of national collections of Clematis viticella cultivars and
Lapageria rosea