THE ANSWER IS DEPENDENT. It depends on the type of glass and who is using the razor blade to clean it. In accordance with the Glass Association of North America, which represents the industry, using a razor blade on glass is never recommended since it will cause damage to the material. For decades, window cleaners have used razor blades to clean glass, particularly in post-construction scenarios including the removal of paint or adhesive residue.
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Silky Terrier Dog Breed Playing AroundConsider the possibility that you’re at home and there is sap on your windows because you have many pine trees in your yard. When it comes to these jobs, the razor blade is the tool of choice in any window cleaner’s arsenal. Window washing with a razor blade is something that should be left to the professionals. A qualified professional is required to ensure that the glass is not damaged. Additionally, experience is required to know how to clean glass, which method to use, the angle at which to hold the blade, and the type of glass to clean. Glass that has been heat-tempered, tinted, and safety-tempered are three types of glass that should never be cut with a sharp object such as a razor blade.
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Silky Terrier Dog Breed Playing AroundDamage to tinted glass and dragging manufacturing debris across the surface of tempered glass are possible consequences of this practice. Damage and scratches are not always caused solely by the razor blade but can be caused by the razor blade catching on to glass fines and pulling them across the surface of the glass, leaving scratches behind. Allow a professional window cleaner to use a blade if you hire one. This is never recommended for a homeowner.
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