CURTAINWALL HAS THERMAL BARRIER Wausau Window and Wall Systems’ 7250i-UW Series unitized curtainwall system features a polyamide nylon structural thermal barrier. The product is preassembled and pre-glazed in panelized frames for quick installation. The frames reduce dependence on field weatherseals while accommodating dynamic movements without placing undue stress on glass, sealants or other infills. (877) 678-2983 /