In broader silver-based window research (such as low-emissivity coatings), the number frequently appears as a citation for the gold-standard reference on silver's optical properties.
These are modern vinyl windows commonly sold at retailers like The Home Depot . silver 62 windows
:
The silver frame will show fingerprints if you have toddlers (or clumsy partners). And the locking mechanism has a satisfying clunk that initially made me think I broke it. You get used to it. Then you crave it. silver 62 windows
: Use liquid glass cleaner or a mix of ammonia and water with a soft cloth. Avoid abrasive materials or cleaning in direct sunlight to prevent streaks. Hardware Care silver 62 windows