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EERE » BTO » Building America » Solution Center Home » Image Gallery » Wintertime condensation potential for exterior storm windows can be reduced if the original window is airtight and weep holes in the storm window are open to provide a small amount of ventilation to the outside

Wintertime condensation potential for exterior storm windows can be reduced if the original window is airtight and weep holes in the storm window are open to provide a small amount of ventilation to the outside

Wintertime condensation potential for exterior storm windows can be reduced if the original window is airtight and weep holes in the storm window are open to provide a small amount of ventilation to the outside