I can vouch for trenching regarding wind.Masco&Bongo wrote:Cos we're so windy generally, I didn't trust trenching it in to keep it on the ground!
Mine is trenched and it don't come much windier that here, stuck out into the Atlantic.
It is 3 years old now and has survived multiple force 11 winter storms, with the polythene balooning rather alarmingly ... but no damage as yet (or blowing away !)