BB-LINE 82 window features: U Factor IP from: 0.15 Btu/hft2FSoundproofing: to 47 dBsystem depth 3 3/16 inSHGC: 0.14 – 0.38Vt: 0.27 – 0.58Max glazing unit:2 1/8 in.6/7 chamber system2/3 sealing layersmodern designadvanced technological solutionsavailable in different colorsDepending on the glazing unit, the BB-Line 82 window guarantees very favorable thermal insulation values.Other products in the category:LinearA modern, minimalist window system with simple contours.KOMBISYSTEM PlusIncreased burglary protection.QUANTIXEven more light.KUBUSNew Perspectives.TRENDThe TREND window is available in two versions – with a standard or with a rounded sash.