I failed to find any good sheets ply wood so I went to the local wood yard and bought an 8×4 sheet of 9mm exterior plywood. A very helpful guy at Merritt and Fryers in Skipton even cut the sheet up into 460mm x 460mm, saved me about an hours works measuring and cutting. We got 10 boards out of it with a little bit left over for me to make a couple of Nuc crown boards. I also bought some thin bits of wood for the edges. I’ve made the board so we have one side 9mm deep with the other side a little deeper so we can use this for treatments & feeding. The deeper side was made with off cuts we found in a skip. The boards have cost me about £3.50 each to make. Ive cut a couple of feeding holes in them too, just another 8 boards to go.