Alpine LS Datasheet Lift and slide door Alpine LS CADAlpine LS DatasheetAlpine LS NAFS report U-value 0.254 Btu/h⋅ft²⋅°F ASTM E283 A3 level Air Leakage ASTM E547 720pa Water Penetration ASTM E330 DP50 Load Deflection ASTM E330 DP50 Load Structural ASTM F588-17 Grade 10 Entry Resistance Material Glass Glazing Triple Threshold height 2 mm Profile width 2 mm Frame width 158 mm Frame height 81 mm Interlock 92 mm Operable Panels 2 Purpose Most Structural