Polystyrene (trademarked as Styrofoam) is the most lightweight crown molding material and can be used indoors or outdoors.

If you have thought about installing lightweight coving in your home, you may want to consider the drawbacks before you get ...

Structural foam polystyrene moldings are used for business machine housings, tools, cases and boxes. Expanded polystyrene beads are used for packaging and cushioning. Foamed polystyrene is used for ...

Traditionally molding was made of plaster and wood, but today a popular molding material is polystyrene; it's less expensive and easy to work with.

According to a new report published by Allied Market Research, titled, Polypropylene & High-impact polystyrene Market for Injection Molding by Material and Application: Global Opportunity Analysis ...