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Dual Low-E
Dual Low-E Glazing combines Cardinal LoE 366 soft coat on surface #2 with Pilkington Energy AdvantageTM LoE hard coat on surface #4 to create a super performance insulated glazing solution. Dual Low-E provides the highest levels of energy performance without sacrificing design, weight, or material cost (unlike triple-pane IG). The Dual Low-E Glazing option provides the highest energy performance of any two-pane solution.
As explained in the diagram to the left, products purchased with the Dual Low-E glazing option will have a hard coat low-e coating on the 4th surface which is the interior of the window. When installers or homeowners are cleaning the interior glass surface of their windows, they need to be aware of this special coating.
The Pilkington hard coat is harder than the underlying glass. However, a metallic object should never be used to remove debris from the low-e coating. Incidental contact from a metal object may leave a mark on the low-e coating that resembles a scratch. It is important to understand that this mark is not a scratch. It is actually metallic residue from the object left on the low-e coating at the area of contact. To remove this residue, you should apply a small amount of muriatic acid (available at most hardware stores) to a clean, dry lint-free cloth. Do not apply the muriatic acid directly to the window. Work the cloth in multiple directions in the affected area until the residue is removed. Avoid getting the cleaning agent on any non-glass portion of the window.
Pinnacle Clad products purchased with Dual Low-E will carries the same warranty and lead times as all other standard glazing options. The PreserveTM protective film option is available for exterior application only. Patio Doors ordered with Dual Low-E will have the PreserveTM protective film on the exterior side only.
Windsor’s Care & Use Guide has recently been updated to include cleaning instructions for these new glazing options. Please consult this document to understand proper maintenance for all Windsor products.
Additional Information
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