You see an advertisement for reasonable "security doors." Is the door really a security door or is the promoter spreading the truth? Unluckily, not all security doors provide you with the assurance of troubles you may need. You will have to spend more for a substantial security door, but if it's security you're looking for, you won't be dissipating your capital.Safety doors can be manufactured from two materials, Aluminum security doors are considered to be the least effective against intruders. Metal security doors are more effective. Aluminum grilles are an inefficient barrier, Steel bars, grilles or beautifying leitmotifs are the most active barriers. Stainless steel mesh is far more secure than aluminum mesh. Fundamental grade aluminum perforated sheets are said to be as effective as stainless steel mesh.