And whether 8x4 plywood sheets is 5-ply boards, 13-ply boards, or veneer boards. there are 223 8x4 plywood sheets suppliers, mainly located in asia. the top supplying country is china (mainland), which supply 100% of 8x4 plywood sheets respectively. x4 plywood sheets products are most popular in mid east, north america, and eastern europe.. Used plywood sheets 18mm 8x4. also,fence panels starting at