"What's the difference between your perforated and non-perforated transparent night curtains? Which should I choose?"A friend in supermarket equipment procurement asked me this last week. Comparing products from several suppliers, he found transparent plastic night curtains come in two types — perfo
"By three in the afternoon, the living room is basically uninhabitable."A friend moved into a new home last year. The living room has a large floor-to-ceiling window with excellent natural light and an open view. But after his first summer there, he discovered problems — direct afternoon sun pouring
"This Material Feels Like Fabric, But the Surface Is Metallic — What Exactly Is It?"A building insulation client turned our sample over and over last week, examining it from every angle. He'd been using pure aluminum foil for roof insulation, but every installation gave him headaches — the foil was