We have the awning roof (always attached) & offside awning roof (stored under the bed) which comes as standard kit with walls as extra's depending on your requirements. We always put up the main awning, but we are just doing 48 hour trips at present and not moving on the next day to another destination. We will review this once we are truely "on the road" (fingers crossed that is soon).
After a few wet and windy weekends, we opted to buy Pack 1: two end walls, kitchen infill and draught flap. The draught flap is great to stop the wind whipping through and we've used it a few times. We've had one wall up (either end) a few times to stop rain or prying eyes and had the whole kit up once due to seriously inclement weather. Haven't found a need to date for the rest of Pack 2, which is a wall that runs from end wall to end wall.
There isn't all that much to carry really and we don't think what we have is really heavy ... second short awning, 2 end walls, a plastic draught flap and a small infill. That final wall which we don't have may be the heavy one?
Kit_e
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