I - 60 Series (casement) Specifications
providing and fixing casement /fixed windows , ventilators fabricated from un plasticized polyvinyl chloride (uPVC) sections with brand name wintech
The profiles should be, three chamber system which provides high insulation properties with outer frame 60mm x 55mm with an outer wall thickness of 2.4mm. The window unit should be designed with all corner joints mitred and fusion welded. Windows should be steel reinforced with 25x24x25mm steel reinforcement with a thickness of 1mm to have dimensional stability . The sash should be of 60x75mm. The mullion should be of 60x 74mm The profiles should have co-extruded seals.
All the hardware like friction stays, handles should be screwed with self tapping screws. The handles, locks should be designed so that they cannot be released from outside.
The window system should be glazed with 5mm plain float glass and ventilators should be glazed with 3mm plain glass.
The profiles should be cut to length and welded 45 degrees. The window should be designed such that the water drainage does not pass through the reinforcement chamber. The window system should be fixed directly to the plastered brick wall using self expanding nylon plug and driving ms electroplated screws into plug.