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Filled with cement or blowing agent. It is estimated that the cement is not good on the styrofoam bar.
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Add foam and fix it.
Have a tube of grease at home for rust removal and lubrication of hinges and hinges. Do not use lube and regular butter, the lube will be lost quickly. Regular butter will have a harmful smell that is not good for the human body. >>>More
No, it's a concave lens, and if it's too thick, it won't be able to diverge and shrink.
Hello; First of all, it is recommended that you do not use any solvent to scrub, it is useless, because it is a plastic film. In addition, it will also damage the paint shine on the surface of the security door. In fact, just use a hair dryer to laugh and tear it apart.
You can spray paint the security door, or decorate the door with the same color as the interior door as the interior door.
If it's already installed, you can add a wooden door inside! In fact, there are several stiffeners in the interlayer of a good anti-theft door body, and it is filled with foaming agent, rock wool and other fillers, and rock wool is a material that can be soundproofed.