If you hated poly and caulk, weren't sure about ADA, but still want to build tight houses, maybe it's time you tried "simplecs." Tight Construction Made Easier BY JIM MALONEY Although I am now a builder and designer, I spent three years with the Oregon Department of Energy trying to encourage builders to build more energy-efficient homes. I learned that going against the grain of conventional practice is not an easy task and does not make you very popular on building sites. But the old way is not always the best way to do things. In fact, my experience in Oregon has shown me that conventional wisdom would often be better described as "prevalent nonsense." Before I describe any building innovations, I should note