yes, no sanding between layers.
Peel ply allows the epoxy to soak thru, so the blush rises to the surface, the peel ply rips it off leaving a surface free of blush rough enough for a second coat.
check
www.fibreglast.comwww.jamestowndistributors.comhttp://www.jamestowndistributors.com/product;part;37897;process;search;ID;,Fiberglass,Vacuum.Bagging.Supplies
http://www.nfgsales.com/peel.htm 
