Before any window is cleaned it should be inspected! Simply because you will want to reveal any imperfections or damage right at the get go. This will make it way easier to know where to place the blame. There might be light of heavy scratching left by someone else that cleaned the windows the last time, or the time before that even. There might be stains or an etched surface that will need restoration/resurfacing. You ight discover chips or point impact fractures. Some of the IGUs might have lost there seal, be missing low e coatings, or have negative deflection. The tempered glass could be wavy. Or any other number of defects. Including but not the least surface inclusions that will make the glass very scratch sensitive.
Once the inspection is performed you will know much more of what you are dealing with. Simply put the quality of the glass in the building that you own. Once the windows have been properly cleaned by a NEGSA member they should be inspected once again. Just to be absolutely sure that nothing has been missed.
The reason for using a NEGSA member and not just any company that calls themselves a professional is that there are products available to NEGSA members that are not available otherwise. NEGSA window cleaners also know exactly how to deal with specific problems without causing any more damage.
Case in point. PIFs are easily mistaken for bug crap or some other spec of dirt. When cleaning the window cleaner might be inclined to turn the scrub wand on edge and try to scrub off the spec. But if it is a PIF this will cause the window to crack. Further if the surface is loaded with inclusions and a metal razor is used, this could create millions of very fine scratches. Which might be completely invisible until the sun comes out.
It is always best if a NEGSA window cleaner works together with a Glass Smart Inspector. You see NEGSA window cleaners know how to avoid problems. Some of them being potentially very severe. Others not so much. Also if there is a need for a special product the NEGSA window cleaner will have it. But window cleaners just want to do their job. They just want to clean windows. A Glass Smart Inspector will have special inspection tools, and be trained in the work of glass inspection technology. In other words Inspect-Tech. Home Inspection professionals have their own line of work. Which they are very good at. But you would never hire one to inspect for radon, or mold. That is a specialty inspection. Likewise if you had a home or building with tons of glass you would want to hire a Glass Smart Inspection professional. To protect your investment. Which could be literally millions of dollars in HIDDEN glass damage.
If you would like to discuss this matter further please contact me.
Henry Grover Jr.
Glass Smart Inspections
henrygrover222@gmail.com
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