I got the cover ( original cover ) on as quickly as possible and off with us to the next site. It lashed rain for the entire journey. When we opened it up the bedding was totally soaked. We couldn't use it. The edges of the trailer cover 'flaps' slightly when towing and the spray from the rear wheels of the car allowed water to drive up under the cover and wick through the bedding. I replaced the shock chord last year and it is good and tight. No hold down buttons missing. Not a good design methinks? Or am I missing something. The edges of the cover don't exactly drape down sufficiently on the metal trailer sides possibly ? I am off to a cover manufacturer tomorrow for a longer cover ( draping down 70mm more ) and also I want "belt loops" on the bottom edge of it so that I can wrap and endless cargo lashing / ratchet strap completely around and try seal it ( the cover ) to the trailer body.
Anyone else experience this ? Solve it ?