CANAPAYA RESIDENCES CONDOMINIUMBangkok, Thailand SERVICES APPLIED DESIGN By Kaskal Co., Ltd. ENGINEERING Structural analysis and calculation of unitized curtain wall and unitized strip window. FABRICATION Unitized curtain wall, unitized strip window, doors and windows. PERFORMANCE TESTING Unitized curtain wall system using AAMA 501 – 2005, Methods of Test for Curtain Walls.