The trade name Styrofoam is used in the vernacular to indicate a number of different plastic products. These foam products are useful in building scenery because they are so lightweight and easy to shape. One of the drawbacks of foam construction is that the foam is also easily torn up. There are ways of coating the foam to give it a tougher exterior, hence making it more useful to us. Foam is at its best when used to construct large, oddly-shaped structures like rocks, geometric forms, or perhaps cornice pieces. It is fairly easy to create very textural surfaces with foam.

In recent years a method of coating foam with a super-strong epoxy material has made it possible to use it on the outsides of commercial ...

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