here is a list of window manufacturers who's glass we've cleaned in the last calendar year that make no mention of low e coating cleaning precautions (either hard coat or soft coat) on their prominent labeling (prior to first time cleaning). you can assume that it is safe to use industry-standard methods to clean windows from these manufacturers.
-andersen
-norco
-marvin
-grabill
-weather shield
-pella
this post is for informational and research purposes only
-andersen
-norco
-marvin
-grabill
-weather shield
-pella
this post is for informational and research purposes only
from Window Cleaning Resource http://ift.tt/UXgGdA
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