F inside glass surface temp. Double Glazed with Argon Gas Filling and Dual Seal Silicone with PIB Primary Seal Proprietary advanced technology multiple coatings with such exotic metals as titanium and silver are applied. Superior construction assures long term durability. Triple Glazed with Krypton Gas Filling and Dual Seal Silicone with PIB Primary Seal Proprietary advanced technology multiple coatings with such exotic metals as titanium and silver are applied.
Superior construction assures long term durability.
A measure of that portion of total solar radiation visible to the human eye . Codes 73 and 77 have excellent glare control.