Viracon Notifies Customers of Sealant Concerns in Certain IGUs
June 11, 2010

Viracon in Owatonna, Minn., sent a letter to customers this week notifying them that they may have received insulating glass units using a problematic batch of sealant from the company’s silicone supplier, Dow Corning. The safety notice stated that Dow Corning “has received reports from the field of insulating glass units with air in the secondary seal” in units using batches of 982 silicone insulating glass sealant delivered to customers after March 10, 2010.

According to the letter, Dow Corning is conducting a root cause investigation to determine the source of the air.

CLICK HERE to read the full letter.

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