If you are building sets and props for your haunt, then you probably will be using Styrofoam at some point. Be sure to check out this guide from DreadNight.com about working with Styrofoam and get the tips you need on how to get the best from your Styrofoam creations!
Excerpt From The Tutorial
Many of the gravestones, walls, etc., that you will see on the internet sites are made from the pink or blue type of “solid” insulating foam. The advantage of this foam is supposedly that it is not made up of thousands of tiny “beads” of foam…. it is solid in it’s inside.