thanks everybody,for the welcome and for the tips,specially for you McDing,yeah,here there are some good spots,but there’s not consistency,but it’s ok 
so,xps is quite similar to eps,but there is some pro and con, xps is extruded polistyrene,eps is expanded,xps in not with little bubble of material,is water resisten,and is harder,someone says that has not goog flex,but for my feet is ok,the bigger advantage is that here a PU foam cost me about 80 euro,or more,instead a panel of xps cost me 17 euro,and i could make a long with it,for thePU foam you do the work with power planer ay 100%,instead with xps you can use a hot wire to do a 70% of the work,so the process is not so long how it seems,the major handicap with xps is that it tends to delaminate,but i think that you already know all these thing i’m talking about it
many people here says the REAL boards are made in pu blank,and the all rest is not good materials,but for small wave board ,and very short lenght I think it’s ok,but i would to know your opinio gentlemen 
so i’ll use a acrylic paint to do the grafic,just some stripes,and then i’ll put the carbon tape on the bottom,then i don’t know if use 100% epoxy resin,or use it only for laminating and hot coat e glossing with silmar bb,i’ve tryed the last time this mix but the result on 3 boards was good only for 1,so i’ve got some doubt,many shaper here told me that i have to use the same resin for lamination and hot coat/glossing ,what’s your opinion gentlemen ?