The shutters I thought I'd get for the street-side windows haven't arrived - it turns out the contractor took forever to order them, and now the factory says it's out of parts. The contractor is proposing roller shutters, adducing that they provide heat and sound insulation, and other kinds of shutters would provide virtually none.   I can easily believe that most shutters of a traditional kind provide little heat and sound insulation - I mean, there are spaces between the rails in a s