Supply and fixing of CONCH uPVC windows is made of uPVC Profile section having profile size of 58mm x 60mm x 40mm having outer wall thickness of 2.30mm (± 0.3mm) with 3 box multi-chamber hollow construction and provided with galvanized steel reinforcement at all around size of 35mm x 35mm. The shutter of openable window shall be made of size 78mm x 60mm x 40mm having outer wall thickness of 2.30mm ± 0.3mm) and provided with galvanized steel reinforcement at all around of size 25.5mm x 36mm and the fixed mullion of size 72mm x 60mm x 36mm having outer wall thickness of 2.30mm (± 0.3mm) and provided with galvanized steel reinforcement at all around size of 35mm x 17mm.
All sections of frames, sash and mullion are reinforced with galvanised mild steel section having wall thickness of 1.2mm. All the corners / mullion, joints of the frame & sash shall be mitred cut & fusion welded without any mechanical joint. All welded joints are neatly trimmed & feature grooved nib finish so as to make the finished products free from all sharp edges.
The window frame and shutter shall have water drainage holes to drain the water with cap. The shutter will be provided with suitable uPVC beads of size 34mm x 18mm for glazing for the specified / required glass (single), duly cut at correct degree and fitted with necessary K and O type EPDM weather sealed gaskets. Windows have to be provided with variety of security devices like Multipoint Lock Systems, Friction Stay and Powder Coated Handles as per the requirement, compliant with relevant specification and as directed by Dept Officers. The complete window shall be fixed into the pre-finished opened places by drilling and fixing through the outer frame using high quality fasteners & silicon sealant is applied to fill up the gap between wall and window frame for leak-proof installation and completion.