How far can I span without a beam? What design load do I need for my building? What thickness of Spancrete® hollow core plank do I need? Where can I cut holes in my Spancrete® hollow core plank? How do I cut holes in my Spancrete® hollow core plank? How do I support my Spancrete® hollow core plank? How do I connect to a block/concrete masonry unit (CMU) wall? Where do I find connection details? Can I put a wall or column on my Spancrete® hollow core plank? How much would Spancrete® hollow core plank cost for my project? In what sizes is Spancrete® hollow core Plank offered? What is prestessed concrete? Have a question that's not answered here? Contact Us.