new carbon railed board 6ft 1 1/2 x 18 3/4

i thought i would build another carbon railed board again this tine 6ft 1 1/2 x 18 3/4 x 2 1/2 ,same 3mm pu hd foam over a 1 lb eps core , they are a bit more flexable than the all balsa boards but not as light ,still about the same as a pu board but a lot stronger