Difference between Cardinal Glass factory-sealed units vs. third-party sealed units
After researching several window manufacturers I learned some manufacturers buy sealed glass units directly from Cardinal and others only buy the raw glass sheets from Cardinal and seal them in house or sub out the glazing to a third party manufacturer.
Is there any benefit to go with a manufacturer that only buys their sealed units directly from Cardinal?
I assume window manufacturers save money sealing and filling the units in house but do they have the same quality controls in place like Cardinal Glass seems to have.
Just because it’s Cardinal glass does not ensure the unit was built by Cardinal.I’m sure many consumers think they are buying Cardinal Glass Units.
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