High-quality window grilles can ensure safety and ventilation to your house. These security grilles fixed in windows, ventilators and other openings of the home protect the house from burglars and intruders. Home owner should ensure that window grilles are well fabricated so that they do not create problem while fixing them in steel windows or wooden frames. The wrong fabrication of grilles can affect the beauty and strength of windows. Lets know fabrication method of home security grilles.
Safety grilles should be fabricated according to the size and space left in windows, ventilators and other openings. Utilize standard size MS steel flat or steel bars according to design requirement from rolling mills. During fabrication actual required length of each member of window grille should be cut by cutter not by chisel.
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Counter sunk holes should be drilled in the side member of grilles before doing welding.
The corner should be welded using flash butt welding or metal arc welding. The welding should not be done by touch welding but it should be in full length. All joints should be finished with grinder. No cavity holes to be left in welding. The grilles should be welded properly with window frames in iron windows.
The grilles should be fixed with the help of steel screws in wooden or aluminum frames. The top of screws should be counter sunk carefully without leaving it outside the grilles. The screws should be driven using screw driver instead of hammer. In case of steel/ iron window, the grilles should be properly welded to the frame of window at 9 inch interval.
The materials used in grilles should be free from cracks, surface flows, rough and imperfect edges. It should be free from rust, scaling and pitting. It should be made from mild steel, flat, square bars or round bars.
Priming coat should be done before fixing home security grilles.