How it’s made

Ask MAKE: EPS foam

Ask MAKE is a weekly column where we answer reader questions, like yours. Write them in to becky@makezine.com or drop us a line on Twitter. We can’t wait to tackle your conundrums! Dan writes in: How are big closed cell polystyrene bocks made? I’ve seen them 12″ square and about 8′ long. Expanded polystyrene foam […]