NCL Metal Doors

Scientific doors are made up of galvanized colour coated steel sections and door leaf made up of colour coated steel sheet filled with Honey comb paper or rockwool. Doors are fixed with Ss door hinges, SS/ high grade aluminum handles, mortise lock. Doors can be designed with vision panel and louvers. Fire rated doors are also available Scientific doors are ideally suited for commercial complexs, industrial, residential.

Providing & Fixing of Metal Door frames and door shutters made upof Galvanize steel (base steel as per IS 513 of 0.58 mm thick D   quality, galvanized as per IS 277 with Zinc of 120 GSM) Pure polyester powder upto  50-60 microns thick . Outer frame section should be of 100x 58mm x 1.2mm thick.  

Shutter section should be of  0.80 mm thick galvanized steel sheet pressed (roll formed) to provide a 46mm thick fully flush, double skin door shell Seam joints at stile edges.   In-fill of Honeycomb Kraft paper is used to give the required rigidity and effective acoustic insulation.  6” Tower bolt – 1 No., 6” D handles – 2 Nos.,  10” Aldrop – 1 No., Butt Hinges – 3 Nos,  Mortise Lock of approved quality – 1 No.  

The above frames should be fixed to the concrete/masonry wall by means of self expanding screws complete for finished item of work

Door Frame - 105X60

Door frames are made up of galvanized colour coated steel section of 1.2mm thick to take care of 35mm flush shutter. gasket grove will be provided to insert a gasket which will give perfect sealing. Door frames are available in 80x50,105x60 sizes.

SPECIFICATION FOR 105x60MM DOOR FRAMES

Providing and fixing door frame fabricated from sections roll formed out of 1.2mm thick galvanized steel (Base steel as per IS 513) with zinc of 120 gms/sq.mtr.  The overall size of the section should be 105x60mm with rebate of 37mm for shutter.  The frame section should be cut to length and metre joined with corner brackets made of CRCA electroplated.  The frame should be provided with (a) 3 Nos. of M.S. powder coated 4” Butt hinges of 2mm thickness welded to the frame. (b) 6 Nos. of 1.2mm thick CRCA electroplated stiffeners should be welded to frame.(c) 6 Nos. of 8” M.S. hold fasts with split end tail welded to stiffener plates.(d) one no. aldrop receiver.(e) Each frame should be provided with 25x50mm tie rod at bottom.  All welded places should be treated with protective coat of zinc rich primer.  The entire frame should be provided with a coat of etched primer.

Door Frame - 80X50

Door frames are made up of galvanized colour coated steel section of 1.2mm thick to take care of 35mm flush shutter. gasket grove will be provided to insert a gasket which will give perfect sealing. Door frames are available in 80x50, 105x60 sizes.

SPECIFICATION FOR 80X50MM (SINGLE REBATE) DOOR FRAMES

Providing and fixing single rebate door frame fabricated from sections roll formed out of 1.2mm thick galvanized steel (Base steel as per IS 513) with zinc of 120 gms/sq.mtr.

The overall size of the section should be 80x50mm.

The frame section should be cut to length and metre joined with corner brackets made of CRCA electroplated.  

The frame should be provided with …..

(a) 3 Nos. of M.S. powder coated 4” Butt hinges of 2mm thickness welded to the main frame 

(b)  6 Nos. of 1.2mm thick CRCA electroplated stiffeners should be welded to frame.

(c) 6 Nos. of 8” M.S. hold fasts with split end tail welded to stiffener plates 

(d) One no. aldrop receiver.

(e) Each frame should be provided with 25x50mm tie rod at bottom.  

All welded places should be treated with protective coat of zinc rich primer.

The entire frame should be provided with a coat of etch primer.