Roller Blinds for Large and Extensive Glazed Area works which work with the dynamics of the sun to filter the radiant component of sunlight out, while allowing maximum comfort, lower HVAC consumption and offers a view to the outside. Walltracts [India] Pvt. Ltd supplies Roller Blinds for Large and Extensive Glazed Area. Walltracts [India] Pvt. Ltd offers various types of window solutions, acoustic solutions, wall finishes, floor finishes, fabric & fabrications, and joinery & upholstery systems etc. Clutch Spring of Roller Blinds for Large and Extensive Glazed Area enables feather touch operations.