hi ,our lotty friend in the plot has just bought the Wyvales half price pollytunnel he to attached wood with a metal poles and put a wooden frame of decking strips and its solid and put bricks on to the plastic covering he hopes to get two years from this and then get proper polly tunnel plastic on the internet ,he's delighted with his ,we went for one yesterday the offer was done ,but the lad there said they are alwas on half price .